ESAS Objectives PDF

ESAS TERMS AND OBJECTIVES: 1. Polar Graph representing variation of illumination. Photometric Distribution 2. The illumination is directly proportional to the cosine of the angle made by the normal to the illuminated surface with the direction of the incident flux. Lam...

ESAS TERMS AND OBJECTIVES: 1. Polar Graph representing variation of illumination. Photometric Distribution 2. The illumination is directly proportional to the cosine of the angle made by the normal to the illuminated surface with the direction of the incident flux. Lambert’s Cosine Law 3. It is a quantitative measure of a light source to reproduce the colors of various objects faithfully in comparison with an ideal or natural light source. Also called color accuracy. Color Rendering Index 4. Most affected parameter of a filament lamp due to voltage change is. Life 5. Recommended illumination level of general office for reading. 70 fc 6. For indoor lawn tennis, what is the recommended level of illumination for tournaments? 50 fc 7. To ignite and lit up a preheat fluorescent luminaire. Starter 8. The following lighting system are HID (High-Intensity-Discharge) general groups of lamps EXCEPT. Rapid-start lamp 9. The flicker effect of fluorescent lamps is more pronounce at _____. Lower Frequencies 10. When a fluorescent lamp is to be operated on DC which of the following additional devices must be incorporated in the circuit? Resistance 11. The purpose of coating the fluorescent tube from inside with white phosphor powder is: To increase the light radiations due to secondary emission 12. Life burning hours of a typical 40W fluorescent lamp is ______. 24000 13. Burning hours of incandescent lamp is about ____. 1500 14. Average life of 28V, 72W tungsten halogen lamps is _____. 2000 15. It refers to choice electrical systems, including planning and detailing of requirements for protection, control, monitoring, coordination and interlocking of electrical systems among others. Electrical System Design 16. Article III contains: Sec 10 to 30 17. ____ is an establishment or a system for the production and modification of electric energy. Electric Plant 18. Sec. 2 (a)(6) Art. 1 of R.A. 7920 is ____. Teaching of electrical engineering professional subjects 19. The EE Board Chairman when the R.A. 7920 and Code of Ethics was approved. Rafael F. Florentino 20. In what Rule does R.A. 184 – Old Electrical Engineering Law (1947) stated? Rule 2(f) 21. A Board of Electrical Engineering (BEE) will serve his term in how many years? 3 22. Vacancies in the Board shall be filled by the _____ from the list of recommendees selected by the commissioner who were chosen from the list of nominees submitted by the integrated and accredited association for the unexpired term only. President 23. How many years does a high school graduated need to qualify for RME? 5years 24. On what particular section in article VI of the R.A. 7920 is Foreign Reciprocity stated? Sec. 38 25. Sec. 17(a), of R.A. 7920: Examination and registration qualification of applicants for Registered Electrical Engineer stated that an applicant is a ____ of the country. Citizen 26. Under Penalty Clause: Any person who shall violate any of the provisions of this Act shall be guilty of misdemeanor and shall, upon conviction, be sentenced to a fine; not more than 50,000 pesos 27. Associate Electrical Engineer (Asso. EE) can apply for registration as Professional Electrical Engineer (PEE) without a degree of BSEE? False 28. For a person to be considered to be a member of the Board of Electrical Engineering he must, at the time of appointment: be a natural-born Filipino citizen and a resident of the Philippines for at least _____ consecutive years; be at least _____ years of age, of proven integrity with high moral values in his personal and professional conduct; have practiced electrical engineering for a period of not less than ____ years prior to his appointment. 5, 35, 10 29. Electrical Power Industry Reform Act of 2001 (EPIRA) is ____. R.A 9136 30. Who is the board of trustee or board member of TRANSCO? President of TRANSCO (Fortunato C. Leynes 2024 president)  ESAS TERMS AND OBJECTIVES: 31. In Philippine Distribution Code Performance Standards, which of the following does NOT belong? Collection Standards 32. What refers to end-users who do not have choice of a supplier of electricity? Captive Market 33. The available generating capacity in excess of the sum of the system demand plus losses within the specified period of time? Operating Margin 34. In R.A. 9136, what does PSALM mean? Power Sector Assets and Liabilities Management Corporation 35. It is a distribution reliability index defined as the total duration of sustained customer power interruptions within given period divided by the total number of customers served within the same period. SAIDI 36. What is the meaning of WESM? Wholesale Electricity Spot Market 37. A short voltage variation is a voltage swell if the root-mean-square (RMS) value of the voltage increases to between ____ percent and ____ of the nominal value. 110, 180 38. Fast start is defined as the capability of a generation unit or generating plant to start and synchronized with the Grid within _____ minute/s. 15 39. In the Philippine Distribution Code Purposes, which of the following does NOT belong? TO ensure distribution system will be operated by only one distribution company 40. Which of the following instruments is used for the comparison of candle powers different sources? Photometer 41. Cavity factor is applied in which field? Illumination System 42. A lamp givens an average output of 628 lumens. What is then M.S.C.P.? 50 43. Prior to starting of fluorescent, heating of electrode is done by ____. Starter 44. A choke coil (ballast) is generally used in series with the tube in the fluorescent lamp circuit in order to ____. Limit current to a proper value 45. In some fluorescent lamp installations, wheels of rotating machinery appear to be stationary due to ____. Stroboscopic effect 46. What do you call the interior lighting where the roof trusses or ceiling height is greater than 7.6m (25ft) above floor level? High bay 47. R.A. 7920 is a consolidation of House Bill No. ____ Senate Bill No. ___. 11063 & 1766 48. The Board of Electrical Engineer shall compose of ______. One chairman & Two members 49. Sec. 4, Art. II, R. A. 7920 stated the powers and duties of the board. What does it mean by quasi- legislative powers? Rule-making 50. Month of May is declared as “Electrical Safety Month” as declared by President Aquino, what proclamation number is this? 193 51. What does OSHS Means? Occupational Safety and Health Standards 52. If a tropical storm is going to the Philippine area of responsibility within 24 hours, what king of alert status to be raised in accordance to Philippine Distribution Code? Blue Alert 53. The functional unit of NPC (National Power Corp.) created to pursue the missionary electrification function is SPUG, what does SPUG means? Small Power Utilities Group 54. What is SoLR from Philippine Distribution Code (PDC)? Supplier of Last Resort 55. As specified by ERC (Energy Regulatory Commission), a large customer is a customer with a demand at least ____ MW or the threshold value specified. 1.0 56. For hermetic motor, what rule is the disconnecting means is 115% of the full load current? Wiring Design Rule 57. In the preparation of Philippine Electrical Code (PEC) 2009 part 1, the National Electrical Code (NEC) _____ was used as the main reference. 2005 58. The PEC 2017 edition is approved by board resolution no. _____. 18 59. Which is NOT the basic rule of PEC 2009? Constructional Rule 60. ______ are used to provide explanatory material, references to other section, precautions to be observed, and further mandatory requirements. Fine print notes 61. Vehicle washing areas are considered as ____ location. Wet  ESAS TERMS AND OBJECTIVES: 62. What is the minimum size of grounding electrode copper conductor? 8.0 sq. mm 63. What is the maximum numbers of conductors permitted in a wireway at any cross-section signal circuit or starter-control wires are not included? 30 64. Where multiple rod, pipe or plate electrodes are installed to meet the requirement of PEC, they shall not be less than ____ mm apart. 1800 65. The PEC has assigned the color ____ to the high leg of a 4-wire delta connected secondary. Orange 66. What is the advantage of PVC over Polyethylene. Flame Resistant 67. What is the maximum numbers of disconnect for service mains given by PEC? 6 68. As a general rule for conductors in parallel, aluminum, copper-clad aluminum or copper conductors of size _____ mm2 and larger, comprising each phrase, neutral or grounded circuit conductor, shall be permitted to be connected in parallel (electrically joined at both ends to form a single conductor). 50 69. What is the required Volt-Amp for lighting of an office building with 500 sq. meter area? 14000 70. What is the minimum ampacity of feeders with motor and other load connected? 125% motor FL current plus other current 71. A hermetic motor-compressor has 25 Amp full load current. What is the rating of disconnecting means? 28.75 Amp 72. A generator has a nameplate rating of 30Amp. What is the minimum ampacity of conductor from generator terminals to the first overcurrent device? 34.5 Amp 73. The ampacity of capacitor circuit conductors shall not be less than_____ percent of the rated current of the capacitor. 135 74. On a solar photovoltaic system, ampacity of conductors and overcurrent devices shall not be less than ____ percent of the computed current. 125 75. PEC requires that resistance to ground of a single electrode consisting of rod, pipe, or plate shall be ___. 25 ohms or less 76. What size of grounding conductor required for circuit protected by 30 Amp circuit breaker? 5.5 sq. mm 77. _____ is a device intended to open the circuit when it detects the current waveform characteristic that are unique to arching fault. Arc Fault Circuit Interrupter (AFCI) 78. The maximum number of overcurrent devices that may be installed in a lighting panel is. 48 79. What is the purpose of PEC 2009? Safeguarding of person and property 80. A piece of electrical equipment that is designed to operate at alternate intervals of (1) load and no load; or (2) load and rest; or (3) no load rest is called____ duty. Intermittent 81. For dwelling units, the demand factor for the first 3000 Volt-Amp of load is ___. 100% 82. A single family dwelling unit having a floor area of 45 sq. meter has a total connected load of 2575 VA. What is the minimum size service entrance conductor? 3.5 sq. mm 83. Additional feeders or branch circuits shall be permitted where the capacity requirements are in excess of ____ Amp at the supply voltage of ____ Volts or less. 2000, 600 84. For service-entrance phase conductors larger than 500 mm2 copper or 800 mm2 aluminum, the required grounded conductor for the service shall be sized not less than _____ percent of the area of the largest service-entrance phase conductor. 12-1/2 or 12.5 85. Which of the following standard rating of fixed-trip inverse time CB? 50 86. All switches and circuit breakers used as switches shall be so installed that the center of the grip of the operating handle when in its highest position shall NOT be more than ____ mm above the floor or working platform. 1900 87. What is the demand factor for a single 8kW household electric range? 80% 88. Every circuit breaker having an interrupting rating other than ____ shall have its interrupting rating shown on the breaker itself. 5000 Amp 89. Lamp holders installed over highly combustible material shall be of the ____ type. Unswitched  ESAS TERMS AND OBJECTIVES: 90. The main purpose of bonding jumper is to connect equipment grounding conductors and _____ to the grounded conductor of the system. Service-Disconnect Enclosure 91. What is the maximum allowable distance interval between supports securing busways? 1500 mm 92. A 3-way and 4-way switches shall be so wired that all switching is done in the ____ conductor. Ungrounded 93. What is the maximum size of grounding rod? 16mm 94. What is the minimum size of wire in lighting outlet? 2.0 sq. mm 95. Which is the safest type of insulation for indoor wiring installation especially residential and commercial buildings? Polyvinyl Chloride 96. What is the maximum bend of Rigid Metallic Conduit (RMC)? 4 quarter 97. A hermetic motor-compressor has a rated load current of 20 Amp. What is the allowable ampacity of branch circuit conductor? 20 Amp 98. What is the minimum ampacity of conductor for room air conditioner with 12 Amp rated current? 15 Amp 99. According to Philippine Electrical Code, at ambient temperature of 30oC, 8.0 mm2 copper conductors with the following insulation have the following ampacities. TW insulation = 30 Amp; THW insulation = 45 Amp; THHN insulation = 50 Amo. If each of these insulated wire carry the same 40 Amp, which will generate heat the fastest? TW insulated wire 100. Code name for polyethylene insulation or PVC 75oC. THW 101. The short-circuit temperature rating of PVC insulated building wires for 30 second period. 150oC 102. Before installation of power cables, the basic DC test voltage is ascending more according to ICEA (Insulated Cable Engineer Association) specification for 100% insulation level in terms of rated voltage is not above? 5 times 103. Common cause of failure in termination of cable is _____. Improper insulation & penciling 104. What is the normal bending radius from inner edge of conduits with relation to diameter? 8-9 times 105. Short-circuit temperature of Polyethylene cable in degree centigrade is. 200 106. Receptacle outlet shall be located not more than ____ mm above countertop. 450 107. What is the minimum distance receptacle outlet of a show window in meter? 200 108. Branch circuit larger than ____ Amp shall supply only non-lighting outlet load. 50 109. What is the distance from the flooring to receptacle outlet in dwelling unit in mm? 1800 110. In dwelling units, at least one wall receptacle outlet shall be installed within ____ mm of the outside edge of basin or bathtub. 900 mm 111. In dwelling units, at least one receptacle outlet for hallways more than ____ meter. 3 112. The lighting load for a dwelling units expressed in term of volt-ampere per sq. meter must be at least ____. 24 113. Feeder supply several motor load shall have an ampacity equal to the sum of the full load current rating of all motors plus ____ % of the highest rated current in the group. 25% 114. A 3-phase motor draws 50 Amperes at full-load. What shall be the maximum inverse time circuit breaker that may be used for short circuit protection? 125 Amp 115. Branch circuit conductor to one or more units of a data processing system shall have an ampacity of ____ % of the total connected load. 125% 116. Conductors _____ and larger shall be stranded when install in raceways. 8.0 sq. mm 117. The residual voltage of a capacitor shall be reduced to ____ Volts, nominal, or less with _____ minute/s after the capacitor is disconnected from the source of supply. 50, 1 118. Equipment for hazardous locations shall be approved for the following property EXCEPT. Durability 119. What is the minimum ampacity supply feeder for a window type air-conditioning unit with 8 Amp rated load current with other load supplied? 20 Amp  ESAS TERMS AND OBJECTIVES: 120. The primary winding of a step down transformer shall be protected on the primary side by an overcurrent device rated NOT more than a certain percentage of the primary current. What is this percentage? 125% 121. Where transformer vault is to be constructed with other buildings below it, the minimum requirement for fire resistance rating is _____ hours. 3 122. Ferro resonance is destructive phenomenon associated with? Distribution Transformer 123. PEC requires that the minimum area exposed surface affected by a plate electrode is. 1/5 sq. meters 124. A ground ring encircling the building or structure in direct contact with the earth consisting of at least 6000 mm of bare copper conductor not smaller than _____ mm2. 30 mm2 125. Grounding shall NOT be connected to ______. Soldered Fittings 126. A concrete encased electrode consisting at least ____ mm zinc galvanized coated steel reinforces or other electrically conductive rods no less than _____ mm diameter. 6000 mm, 13 mm diameter 127. Self-contained device that automatically opens an electric circuit on sever overload without getting damage is. Molded Circuit Breaker 128. Expansion joints and telescoping section of raceways shall be made electrically continuous by equipment ____ or other means approved for the purpose. Bonding jumpers 129. Which of the following is not accepted as if they have the same meaning? Low voltage 130. What is called an electrically operated switch rated in amperes but also provide overload protection for motors? Safety switch 131. Code of the Ethics is Resolution No. ___ series of 1995. 22 132. Which of the following establishes ethical behavior among professionals? Hippocratic Oath 133. Sec 7. Article III, R.A. 7920: An Electrical Engineer shall not ____, vilify, or destroy the good name and reputation of others. Malign 134. Integral part of contract requirement which set forth technical engineering requirements which are not shown completely on drawing. Specification 135. A rotary converter is a single machine with ____. One armature and One field 136. A synchronous converter can be started ____. Any of the above methods 137. An unregulated power supply which consists of a transformer, a rectifier and a filter has some characteristics which are as follows EXCEPT one. Which is it? It has a good voltage regulation 138. 1 Byte is equal to how many bits? 8 139. Modern unit number system are built around which of the following components? Unit, number, and radix 140. One Byte is equal to how many Nibble? 2 141. One Nibble is equal to how many bits? 4 142. What is the equivalent of 1 kilobyte (kB). 1024 bytes 143. What does BIOS means? Basic Input/Output System 144. Microsoft Disk-Operating System(MS-DOS) is a/an ______ software. System 145. In Microsoft Excel for Windows, what short-cut key is used to select all objects on a worksheet when an object is selected? CTRL+SHIFT+Spacebar 146. Which of the following is unacceptable as a Formula Translation (FORTRAN) statement? A*B=C*D 147. The number 2 is entered into cell A1 in a spreadsheet. The formula $A$1+A1 is entered into cell B1. The contents of cell B1 are then copied and psted into cell C1. The number displayed in C1 is? 6 148. The ripple factor of a power supply is a measure of ______. Purity of power output 149. What does FTTH means? Fiber To The Home 150. What does FTTB means? Fiber to the Building  ESAS TERMS AND OBJECTIVES: 151. What does FTTP means? Fiber To The Premises 152. Facebook. Twitter. Instagram and the like has a web level of _____. 2 153. What is UPS stands for? Uninterruptible Power Supply 154. Which of the following is NOT a non-volatile memory? RAM 155. What is NOT a programming language? Oracle 156. Its fundamental purpose is to transfer information from one electronic place to another. Electronic Communication System 157. If a transistor is operated in such a way that output current flows for 170o of the input signal, Then it is _____ operation. Class C 158. A collection of one or more electronic devices or circuits that converts the original source information to a form more suitable for transmission over a particular transmission medium. Transmitter 159. The process of changing one or more properties of the analog carrier in proportion with the information signal. Modulation 160. Unit of sound absorption coefficient of materials? Sabine 161. A modulation technique where the information signal is analog and the amplitude (V) of the carrier is varied proportional to the information signal. AM 162. Unit of measure of sound intensity level is _____. Decibel 163. A specific band of frequencies allocated to a particular service. Channel 164. Amplifier having an output power of 50 watts, what is the value in dBm? 47 165. Are signals in the 3GHZ to 30GHZ range and include the majority of the frequencies used for microwave and satellite radio communication systems. SHF (Super High Frequency) 166. An SCR(Silicon Controlled Rectifier) behaves as a _____ switch. Unidirectional 167. The difference between the highest and lowest frequencies contained in the information. Bandwidth 168. The ______ of a waveform consists of all the frequencies contained in the waveform and their respective amplitude plotted in the frequency domain. Frequency Spectrum 169. A TRIAC can pass a portion of _____ half-cycle through the load. Both positive and negative 170. Noise can be reduced by. Narrowing the bandwidth 171. The ____ occurs when oscillating mechanical stresses applied across a crystal lattice structure generated electrical oscillations and vice versa. Piezoelectric Effect 172. A device that does not have a gate terminal is _____. Diac 173. The first stage of the receiver of which primary functions are detecting, band limiting, and amplifying the received RF signals. RF section 174. A device that exhibits negative resistance region is _____. UJT 175. The process of combining transmission from more than one source and transmitting them over a common facility, such as metallic or optical fiber cable or a radio-frequency. Multiplexing 176. A carrier current communication receiver is found where? Substation 177. A form of amplitude modulation in which the carrier is transmitted at full power but only one of the sidebands is transmitter. SSBFC 178. The Philippines has adopted on of the following primary color television transmission standards. Which one is this? NTSC 179. Half-duplex, one to many radio communications with two-way no dial tone. Two-way mobile radio 180. What is the frequency range for TV channels 2 to 13? VHF 181. The ratio of the peak modulating signal voltage to the peak carrier voltage is? Modulation Index 182. A type of communication that uses light rather than electricity to communicate is called. Fiber-optic 183. The operation of a fiber-optic cable is based on the principle of. Reflection  ESAS TERMS AND OBJECTIVES: 184. The core of the fiber-optic cable is surrounded by? Cladding 185. Electromagnetic waves produced primarily by heat are called? Infrared rays 186. Which of the following is reversible in action? Rotary Converter 187. Another name for signals in the HF(High Frequency) range is. Short waves 188. Which color has the shortest wavelength of light. Blue 189. A frequency of 27MHz has a wavelength of approximately? 11m 190. When a rotary converter is started by means of a small auxiliary motor, the power of motor must be. Slightly more than the value of friction and windage losses at rated speed 191. When was the UNIVAC 1 developed? 1950 192. The field of research that is developing computer systems which mimic human thought in a specific area and improve performance with experience and operation is what field of research? Artificial Intelligence 193. A computer that is designed to perform is what kind of computer? Special purpose 194. The following are advantages of motor-generator set over rotary converter. EXCEPT: It has a comparatively high efficiency 195. What determines the size of an analog computer? Number of functions it has to perform 196. A megabyte is exactly ____ bytes. 1 048 576 197. It is an operating system for multiple users with built in networking capability. The ability to run multiple tasks at one time. UNIX 198. MS word is a/an _____ software. Application 199. In a computer network, the amount of time required for a message to travel from the sending to the sending computer. Latency 200. In a 1-phase rotary converter the number of slip rings will be____. 2 201. Which of the following is the busiest bus and the one that carries that actual data? Data bus 202. A rotary converter operates at ____ power factor. High 203. A 15 pins, 3 row, female connector is used for _____. VGA 204. It is a microscopic place of silicon that contains thousands of micro-miniature electronic circuits components mainly transistors. Microchip 205. The turnaround from vacuum tube to solid state dynamic component in 1948 was triggered by the invention of the transistors by the three team mean. Which laboratory in U.S. did their work? Bell Telephone 206. In reverse PN junction, with the voltage is increasing, the current is _____. No change 207. It may be defined as the energy which corresponds to the center of gravity of conduction electrons and holes weighted according to their energies. It is in the middle of forbidden energy gap. Fermi level 208. Binary is also known as. Machine language 209. The computer manufacturer uses ______ to store specific instructions that are needed for computer operations. ROM 210. ROM is ___ memory. Non-volatile 211. Short term memory is also known as ____ RAM 212. The more ___ that your computer has, the faster it process data. RAM 213. A 7-bit code that allows only 128 different combinations and commonly used in microcomputers is ASII code which stand for? American Standard Code for Information Interchange 214. Which is NOT a semiconductor? Silica 215. Tubes are preferred to transistors in the following applications EXCEPT one. Long life 216. _____ are special instruction that control the activities of a computer. Program 217. A computer hardware abbreviation “ALU” stands for? Arithmetic Logic Unit 218. Semiconductor materials have _____ bond. Covalent 219. A P-Type semiconductor has storage of electron. What charge is it free? Hole  ESAS TERMS AND OBJECTIVES: 220. What do you call adding latitude and longitudinal directions to pictures and videos you post? Geotagging 221. Without a dc source, a clipper acts like a _____. Rectifier 222. What is the default view when printing a document? Portrait 223. What do you call a translated program in machine language? An object program 224. The primary function of a clamper circuit is to ____. Introduce a dc level into an AC signal 225. Is software that translates a program written in a high-level language into low-level instructions before the program is executed? Compiler 226. The basic reason why a full wave(FW) rectifier has twice the efficiency of half wave(HW) rectifier is that ____. It utilizes both half-cycle of the input 227. The simplex method is extremely efficient in solving which of the following classic problems? The “allocation problem” 228. If all variables in linear programming problem are restricted to be integers, which if any, basic assumption of linear programming is violated? Divisibility 229. Which stage of a DC power supply uses diode as the main component? Regulator 230. What do you call the process electronically drying paint? Dielectric heating 231. Which logic gate is similar to the function of two series switches? AND 232. All are basic operation in Boolean Algebra EXCEPT: Logical Subtraction 233. A living room one whose interior fishing is such that reverberation time of sound is _____ sec. less than 1 234. Which of the following is NOT an octal number? 19 235. In Microsoft Excel for Windows, what short-cut key is used to select an entire row in a worksheet? SHIFT+Spacebar 236. Which of the following Logic circuits is the fastest? Transistor-transistor-logic (TTL) 237. When a decimal point of a binary digit is moved 1 place to the right _____. Multiplies by 2 238. Electronic communications was discovered in which century? 19th 239. The gate voltage in a FET at which the drain current becomes zero is called_____. Pinch- off voltage 240. If the amplitude of the modulating signal applied to a phase modulator is constant, the output signal will be. The carrier frequency 241. The TV signal uses which type of modulation for picture and sound respectively? AM, FM 242. Random interference to transmitted signals called. Noise 243. The communications medium causes the signal to be. Attenuated 244. Distortion of the modulating signal produces harmonics which cause an increase in the signal. Bandwidth 245. The process of translating a signal, with or without modulation, to a higher or lower frequency for processing is called. Frequency conversion 246. How many pins comprise the RS232C? 25 247. In a radio receiver, noise is generally developed at ____. RF stage 248. It is the high frequency sound that cannot be heard by human ear. Ultrasonic 249. The number of frames per second in the Philippine television system is. 30 250. The main factor which differentiates a DE MOSFET from E-only MOSFET is absence of: Electrons 251. What is the light source typically used in multimode optical fiber? LED 252. Which of the following is a unit of information? dit 253. The most accurate type of test equipment used for measuring high power is the _____. Bolometer  ESAS TERMS AND OBJECTIVES: 254. What electrode in a junction transistor corresponds to the cathode in a vacuum tube? Emitter 255. GSM has a fixed bit rate of ____. 200Kbps 256. Bluetooth operates in what frequency? 2.4Ghz 257. Simultaneous two-way communications is called. Full duplex 258. If the power level of an amplifier reduces to one half, the dB gain will fall by ____. 3 dB 259. A display of signal amplitude versus frequency is called the frequency domain 260. Are signals in the 0.3 THz to 300THz range and are not generally referred to as radio waves. Used in heat-seeking guidance systems, electronic, photography, and astronomy. Infrared 261. A signal that repeats at a uniform rate. Periodic wave 262. It is a solid transparent fiber of glass or polymer that carries an optical signal. Fiber optic 263. Are voltage or current that change in discrete steps of level. Digital Signal 264. A modem converts. Both analog signals to digital signals and digital signals to analog signals 265. Any undesirable electrical energy that falls within the pass band of the signal. Electrical Noise 266. Overmodulation results in ____. Distortion 267. Demodulation is done in _____. Radio receiver 268. One-way communications is called. Simplex 269. Associated with the rapid and random movement of electrons within a conductor due to change in temperature. Thermal Noise 270. Recovering information from a carrier is known as. Detection 271. Radio signals are made up of. Electric and magnetic fields 272. Electromagnetic waves produced primarily by heat are called. Infrared rays 273. Frequency range of 30 – 300 Hz. ELF (Extremely Low Frequencies) 274. Piezoelectricity principle is applied in ONE of the following: Microphones 275. Frequency range of 03 – 3 kHz. VF (Voice Frequencies) 276. Frequency range of 3 – 30 kHz. VLF(Very Low Frequencies) 277. In 1885, he used a long wire as antenna and develop a practical radio system. Marconi 278. Frequency range of 30 – 300 kHz. LF(Low Frequencies) 279. Frequency range of 03 – 3 MHz. MF(Medium Frequencies) 280. Frequency range of 3 – 30MHz. HF(High Frequencies) 281. It refers to a device that merely boosts a signal and passes it on: Repeater 282. Frequency range of 30 – 300MHz. VHF(Very High Frequencies) 283. Frequency range of 03 – 3 GHz. UHF(Ultra High Frequencies) 284. RJ45 is used for ____. Data 285. Frequency range of 3 – 30 GHz. SHF(Super High Frequencies) 286. What is the common fiber optic Cable? Multi-mode step index 287. Frequency range of 30 - 300 GHz. EHF(Extremely High Frequencies) 288. Frequency range of 03 – 3 THz, 3 – 30 THz, 30 – 300 THz. Infrared 289. What is the function of a transducer? Energy Conversion 290. Frequency range of 03 – 3 PHz. Visible Light 291. How many doped regions does a typical bipolar junction transistor (BJT) have? Three 292. Frequency range of 3 – 30 PHz. Ultraviolet 293. Frequency range of 30 – 300 PHz. X-rays 294. Frequency range of 03 – 3 EHz. Gamma rays 295. An amplifier with a feedback loop or path for energy to propagate from the output back to the input is ____. Regenerative feedback 296. Frequency range of 3 – 30 EHz. Cosmic rays 297. The depletion region in a junction diode forms what part of a capacitor _____. Dielectric 298. Increasing the reverse bias on varactor diode will cause its capacitance. Increase  ESAS TERMS AND OBJECTIVES: 299. Salt water, rubber, iron rust are called: Chemical Compound 300. A substance that losses electron during an oxidation reduction process? Reducing Agent 301. When the charge of an atom becomes unbalanced, the charge atom is called ____. An ion 302. What is the chemical formula of Dinitrogen Pentoxide? N205 303. Which of the following chemical equation is INCORRECT? ZnS + O2 -> SO2 + ZnO 304. Carbon and Hydrogen containing only carbon single bond. Alkanes 305. Which of the following gases is classified as electronegative? Sulfur Hexafluoride 306. What is the oxidation state of nitrogen in NO3- (nitrate ion)? +5 307. Which of the following is the Ideal Gas Law? PV = nRT 308. The number of atom/s per unit cell in a Face-Centered-Cubic(FCC) structure is ____. 4 309. What is the first coordination number for a Body Centered Cubic (BCC) crystal structure? 8 310. The ores from which aluminum is obtained _____. Bauxite 311. The purpose of Aluminum in steel alloying is ____. Deoxidize 312. Steel used for axles, gears and similar parts requiring medium to high hardness and high strength is known as _____. Medium Carbon 313. Glass said to be an amorphous material. This means that: It has no apparent crystal structure 314. What is the process of heating raw rubber with less amount of sulfur? Vulcanization 315. What is a substance that cannon be decomposed into simpler substances during ordinary chemical reactions? Elements 316. Liquid in chemistry is _____. Solvent 317. Chemical symbol of Sodium Oxide. Na2O 318. What is the empirical formula for nitric acid? HNO3 319. Which of the following is highly reactive in its pure form? Na 320. What are the elements comprises vinegar? Carbon, Hydrogen, Oxygen 321. The chemical equation of fully-charged Lead-cell is ____. PbO2 + 2HSO4 + Pb 322. Elements which generally exhibits multiple oxidation state are _____. Transition elements 323. In electrolysis, the anions migrate to the anode. Which of the following ions migrate to the other electrode? Cations 324. How are elements numbered 58 to 71 in periodic table called? Lanthanons 325. What theory of atomic structure which stated that no two electrons in a given atom can have the same set of four quantum numbers? Pauli 326. The statement that equal volumes of all gases under the same conditions of temperature and pressure contain very nearly the same number of molecules is known as ___. Avogadro’s Law 327. Base samples causes litmus to turn ____. Blue 328. Gases, water, alcohol and benzene are examples of ____. Newtonian fluids 329. Minimum energy needed for reaction is called _____. Activation Energy 330. In the periodic table of elements the number of new artificially prepared (synthetic) elements is ____. 15 331. What is molecular weight of Nitric acid (HNO3)? 63.01 332. All of the following statements about pH of a solution are correct, EXCEPT: it is zero for neutral solutions 333. What is used for predicting the behavior of non-ideal gases? Compressibility factor 334. The mole is a basic unit of measurement in chemistry. Which of the following us NOT equal to or the same as 1 mol of the substance indicated? 16g of oxygen (O2) molecules 335. What is the oxidation state of Aluminum? +3 336. What elements is known as the lightest metal? Lithium 337. Which is the strong bond between hydrogen atoms known as? The covalent band  ESAS TERMS AND OBJECTIVES: 338. When a solid has a crystalline structure, the atoms arranged in repeating structures called: Unit cell 339. In a crystal structure, which is an interstitial atom? An extra atom sitting at a non-lattice point 340. The ores from which zinc is obtained ______. Sphalerite 341. What group of steels are air-hardened, medium alloy tool steels? Group A 342. The purpose of copper in steel alloying is to increase _____. Atmospheric corrosion resistance 343. Which of the following materials is NOT a Viscoelastic material? Metal 344. Which of the following affects most of the electrical and thermal properties of materials? The electrons, particularly the outermost ones 345. What is the effect of Phosphorus in cast iron? Increase fluidity and lowers melting temperature 346. The molecules of the same composition, what are variations of atomic arrangement known as _____. Isomers 347. What impurity in steel can cause “red shortness” which means the steel becomes unworkable at high temperature? Sulfur 348. It is the ratio molecular weight of a polymer to the molecular weight of a single monomer. Degree of polymerization 349. Compressive strength of fully cured concrete is most directly related to: water-cement ratio 350. When an air entertainment agent is introduced into a concrete mix ____. The strength will decrease 351. Which of the following may be the Poisson ratio of a material? 0.45 352. What is the S.I. unit of thermodynamic temperature? Kelvin 353. Prefix “peta” refers to ____. 10 to the positive 15th power 354. Relative dielectric strengths of gases tend with increasing molecular weight? Upward 355. An electron strikes the screen of a cathode ray tube with a velocity of 10 tot 9th power cm/sec. Compute the kinetic energy in ergs. The mass of electron is 9x10 to the negative 31 power kg. 4.5x10 to the negative 10th power 356. What is the root-mean-square velocity of H2 molecules in cm/sec? 1.923x10^5 357. Which of the following is the usual geometric view factor for a black body? One 358. It is the maximum frequency, which the human ear can hear. 20,000 Hz 359. Loudness of sound proportional to the square of ___. Amplitude 360. Electromagnetic waves are refracted when they ___. Pass into medium of different dielectric constant 361. The emission of electrons from matter by electromagnetic radiation of certain energy is ____. Photoelectric effect 362. The ratio of electric flux density to electric field intensity is called ____ of the medium. Permittivity 363. Wave propagation in perfect dielectric occurs ______. Without attenuation 364. For perfect match between transmission line and load, the value of reflection coefficient, should be? Zero 365. The electromagnetic and electrostatic fields radiated by an antenna are out of phase by: 90 deg. 366. What is the S.I. unit of mass? Kilogram 367. What is the S.I. unit of time? Second 368. What prefix refers to 10 to the negative 18th power? Atto 369. The physical relationship of gaseous system is treated by _____ of gases in which their properties are related to P, T and V of system. Kinetic Theory 370. What is the branch of Physics that deals with the dynamic property of gasses? Pneumatics  ESAS TERMS AND OBJECTIVES: 371. What is the average kinetic energy of a gas molecule at 0oF(-18oC)? 5.285x10 to the negative 21st power 372. The particle inside nucleus is called ____. Nucleons 373. What do you call the nucleus a specific isotope of an element? Nuclide 374. If one gram of matter could be converted entirely to energy, what would be the value of the energy so produced in kWh? 25x10^8 375. At what speed must article move in order to double its mass? 2.6x10^8 m/sec 376. When the distance between two charges is doubled, the force between then will be equal to ____. One Fourth 377. Which of the following laws of electromagnetic theory is connected with the force experienced by two loops of a wire carrying a current? Ampere’s Law 378. _____ is a scalar quantity. Potential in electric field 379. Steepness of the travelling waves in transmission line is attenuated by ___ of the line. Resistance 380. The absorption of ratio waves by the atmosphere depends on which of the following? Their frequency 381. The polarization of dialect material results in ____. Creation of electric dipoles 382. The molecular diameter of CO is 3.19x10 to the negative 8, at 300k and pressure of 100mm Hg. What is the mean free path of the gas in cm? 6.68x19 to the negative 3rd power 383. Polarization of an electromagnetic wave is _____. The direction of its electric field component with respect to ground 384. A plane electromagnetic wave travels in a dielectric medium of relative permittivity of 9. Relative to free space, what is the velocity of propagation in the dielectric? Reduced by a factor 1/3 385. In transmission line, the ratio of reflected power to incident power is given by? r2 386. If an SWR (Standing Wave Ratio) of 4:1 exists on a transmission line, what is respective the percentage reflected and absorbed power by the load? 36, 64 387. A body having identical properties all over it is called ____. Homogeneous 388. Fatigue failure when a part is subjected to ____. Compressive stress 389. According to Kepler’s Law of motion the square of the time period “T” of a planet around the sun is proportional to the ____. Cube of the man distance of planet from sun 390. A man is standing near the edge of a uniformly rotating platform about an axis passing through its center. The speed of rotation of the platform will decrease if he. Accepts heavy bag from one man standing nearby and hold it in his hand 391. If a material recovers its original: dimension, when the load is removed. It is called _____. Elastic 392. The behavior of metals where in strength of a metal is increased and the ductility us decreased on heating at a relatively low temperature after cold working, is called _____. Strain aging 393. A ductile fracture is characterized by ____. Appreciable plastic deformation prior to propagation of crack 394. In a complete heat engine cycle, which of the following is the area enclosed by the PV- diagram? The work done by the engine per cycle 395. Which of the following engines is the least efficient? Gasoline engine 396. Which of the following engines is the most efficient? Carnot engine 397. Which of the following is the process that cannot be found in Carnot engine cycle? Isobaric expansion 398. In any process, the maximum amount of heat can be converted in to mechanical energy: Depends on the intake and exhaust temperature 399. The processed involved in the transfer of moisture from the sea to the land and back to the sea again is known as _____. Hydrologic cycle  ESAS TERMS AND OBJECTIVES: 400. A branch of mechanics with deals with the laws governing the behaviors of water and other liquids in the states of rest and motion. Hydraulics 401. Formation which contains and transmit ground water are known as ____. Aquifers 402. A type of flow in which the individual fluid particles follow straight line path known as _____. Laminar flow 403. A type of flow in which individual fluid particles take random path. Turbulent flow 404. When shear force is zero along a section, the bending moment at that section will be ____z Minimum or Maximum 405. Select the one that has no unit. Strain 406. Hoop stress refers to _____. Circumferential tensile stress 407. The intensity of stress that causes unit strain is known as ____. Modulus of elasticity 408. The volumetric change of the fluid caused by a resistance is called ____. Adhesion 409. Modulus of resilience is: A measure of a materials ability to store strain energy 410. When evaporation takes place within an enclosed space, the partial pressure created by the vapor molecules is called ____. Vapor pressure 411. A graphical representation of stream flow against time is known as_____. Hydrograph 412. The units for dynamic viscosity is ____. Pa/sec 413. Cavitation is the result pf _____. Static pressure in a fluid becoming less than fluid vapor pressure 414. A branch of hydraulics which deals with the study of forces (including velocity and acceleration) exerted upon by or upon liquids in motion. Hydrodynamics 415. The hydraulic radius is given by _____. Area divided by wetted perimeter 416. Which of the following is NOT a dimensionless parameter? Kinematic viscosity 417. An ideal fluid is one that _____. Frictionless and incompressible 418. The continuity equation is applicable to ____. Conservation of mass 419. The pitot tube is a device used for measurement of ____. Velocity 420. Hydrometer is used to find out _____. Specific gravity of liquids 421. The machinability of steed can be increased by _____. Phosphorus, lead and sulfur 422. Hastelloy contains ____. Nickel & molybdenum 423. Addition of lead and bismuth to aluminum results in ____. Improving machinability 424. The most important element that controls the physical properties of steel is ____. Carbon 425. It is the internal resisting moment of a beam. It is opposite in the sense to the bending moment but of the same magnitude. Moment of resistance 426. Poisson’s ratio is the ratio of the ____. Deformation to the unit longitudinal deformation 427. In a long column (slenderness ratio > 160) which of the following has the greatest influence on its tendency to buckle under a compressive load. The length of the column 428. Thea rea of the shear diagram of a beam between any two points on the beam is equal to: Change in moment between the two points 429. Poisson’s ratio is principally used in ______. Stress-strain relationships where stresses are applied in more than one direction 430. The stress is an elastic material is: Proportional to the displacement of the material acted upon by the force 431. A beam, securely fastened to a wall, is subjected to the three-dimensional loading. How many components of reaction are possible? Six 432. The thermodynamic cycle used in a thermal power plant is? Rankine 433. Diesel cycle consists of: Two isentropic, one constant volume, one constant pressure process 434. Which cycle is generally used for gas turbine? Brayton cycle 435. Which of the following provides the basis for measuring thermodynamic property of temperature? Zeroth Law of Thermodynamics  ESAS TERMS AND OBJECTIVES: 436. The triple point of a substance is the temperature and pressure at which _____. The solid does not melt, the liquid does not boil and the gas does not condense 437. “It is impossible to construct a heat engine that operates in a cycle and receives a given quantity of heat from a high temperature body and does equal amount of work” The above statement is known as: Kelvin-Plank Law 438. Brayton cycle has: Two isentropic and two constant pressure processes 439. Otto cycle consists of: Two isentropic and two constant volume processes 440. An ericsson cycle has: Two isothermal and two constant pressure processes 441. Which of the following engines is the least efficient? Gasoline engine 442. A sterling cycle has: Two isothermal and two constant volume processes 443. What is used for predicting the behavior of non-ideal gases? Compressibility factor 444. The critical point for a mixture occurs for which of the following cases? The vapor and liquid exist in a single form 445. A carnot cycle consists of the following which one is NOT? Reversible constant heat addition 446. Which of the following statements regarding organic substances is FALSE? Organic matter is generally stable at very high temperature 447. Which of the following is the strongest type of bonds? Covalent 448. An element maybe defines as a substance, all atoms of which have the same: atomic number 449. The device which measures the acid content of the cell is called ____. Hydrometer 450. A deuteron is _____. A nucleus containing a neutron and a proton 451. “At the same pressure and temperature equal volumes of all gases contain equal number of molecules.” This is known as: Avogadro’s Law 452. A substance which gives up protons to another substance is called ____. Acid 453. Elements which generally exhibits multiple oxidation state are ____. Transition elements 454. An angstrom unit, commonly used for atomic and sub-atomic distances is: 10-10m 455. When two bodies, isolated from other environment, are in thermal equilibrium with the third body, the two are in thermal equilibrium with each other. What do you call this statement? Zeroth law of thermodynamics 456. It is the property of absorbing moisture from atmosphere? Porosity 457. Cross-linking of natural rubber is known as: Vulcanization 458. Which of the following statements regarding organic substances is FLASE? Organic matter is generally stable at very high temperature 459. Which of the following is most likely to prove that a substance is inorganic? The substance is heated together with cooper oxide and the resulting gases are found to have no effect on limestone 460. what element is known as the lightest meat? Lithium 461. an elements maybe defines a substance, all atoms of which have the same. Atomic number 462. what is the measure of the lumen output per watt input produced by the light source? Efficacy 463. when a source of sound is moving with respect to an observer or an observer is mowing with respect to the source, the pitch of sound heard by the observer is different from the pitch heard when the source and observer are both at rest. What do you call this change in frequence caused by motion? Doppler Effect 464. what refers to the computer’s use of hard disk storage to simulate RAM? Virtual Memory 465. what register holds the data being written into or read out of the addressed memory location? Memory Data Register 466. A special file that is used by the operating system to store the physical location of all the files on a storage medium, such as a hard disk or floppy disk is called _____. File allocation table  ESAS TERMS AND OBJECTIVES: 467. A megabyte is exactly _____ bytes. 1,048,576 468. What is the term used to describe the moving of software from another computer to your own computer? Downloading 469. What is the term for a high-speed memory used to store a small amount of data temporarily so that the data can be retrieved quickly? Scratchpad Memory 470. What type of file has a record of website activity? Cookie file 471. What is a large computer called? A mainframe computer 472. An e-mail address should consist of which of the following? User name and domain name 473. When an input signal A = 10100 is applied to a NOT gate, its output signal will be____. 01011 474. The binary coding scheme most common used in microcomputer is called ____. ASCii 475. The mass of a certain object is 10 grams, what would its mass when taken to the planet Mars? 10grams 476. Are compounds of carbon and hydrogen containing only carbon-carbon single bonds? Alkanes 477. The one from which Titanium is obtained is? Laminate 478. What do you call the earth and stone with the iron oxide? Gangue 479. What is the coal that has been previously burned in an oxygen-poor environment? Coke 480. _____ are round pieces of flat plastic that store data and program A magnetized spots. Floppy disk 481. What does “TTL” means? Transistor Logic 482. _____ data is collected over several days or weeks and the processed all at one time. Batch 483. What does “DTML” means? Diode Transistor Micro Logic 484. What market situation exists where there are few sellers and few buyers? Bilateral Oligopoly 485. The true value of interest rate computed by equations for compound interest for a 1-year period is known as _____. Effective interest 486. It is the present worth of its probable future net earnings. Earning value 487. When of the factors of production is fixed in quantity or is difficult to increase, increasing the other factors of production will result in a less that proportional increase in output. Law of Diminishing Return 488. What does “CMOS” means? Complimentary Metal-Oxide Semiconductor 489. All the proceeds which are received by the business as a result of the sale of goods. Gross Income 490. A form of business organization I which a persons conducts his business alone and entirely for his own profit, being solely responsible for all its activities and liabilities. Sole Proprietorship 491. An aggregation of individuals formed for the purpose of conducting a business and recognized by a law as a fictitious person is called. Corporation 492. The present worth of cost associated with an asset for an infinite period of time is reffered as. Capitalized cost 493. The unrecovered depreciation results due to poor estimates as to the life of the equipment. Sunk cost 494. Measure of effectiveness of investment of capital? Rate of return 495. What is otherwise known as “PRC Modernization Law? RA 8981 496. Who shall be the executive officer of the board of Electrical Engineering and shall also conduct the examination given by the Board, as provided in Article II, Sec. 9 of R.A. 7920? The commissioner of the PRC  ESAS TERMS AND OBJECTIVES: 497. From PRC resolution No. 391: Standardized guidelines and procedures for the implementation of CPE (Continuing Professional Education) for all professionals. In Sec.15, the total CPE units for registered professionals with baccalaureate degree shall be ____ credit units for three(3) years. 60 498. Where installed two or more raceways, the size of the grounded in each raceway shall be based on the size of the ungrounded service-entrance conductor in raceway but not smaller than ____mm2. 50 499. A ground ring encircling the building or structure, in direct contact with the earth, consisting of at least 6,000 mm of bare copper conductor not smaller than ____ mm2. 30 500. Bonding jumper(s) from grounding electrodes and grounding electrode conductor(s) shall be permitted to be connected to an aluminum or copper busbars not less than ____. 6mm x 50mm 501. What is the minimum size copper for bonding jumper for a service raceway containing 100 mm2 THHN aluminum conductors? 22 mm2 502. For multi-grounded neutral systems, the maximum distance between any two adjacent electrodes shall not be more than ____ meters. 400 503. Grounding conductors not an integral part of a cable assembly shall not be smaller than ___ copper. 14 mm2 504. What size of conductor shall be connected between the ground grid and all metals parts of swimming pools? 8.0 mm2 505. Where computations result in a fraction of an ampere that is less than ____. Such fractions shall be permitted to be dropped. 0.50 506. A ground ring encircling the building or structure, in direct contact with the earth, consisting of at least 6,000 mm of bare copper conductor not smaller than ____ Mm2. 30 507. Minimum height of receptacle above counter top is? 500mm 508. The overall energy program formulated and updated yearly by the DOE and submitted congress pursuant to R.A. 7638 is known as PEP which means? Philippine Energy Plan 509. An electric cooperative, private corporation, government-owned utility, or existing government unit, that has an exclusive franchise to operate a Distribution System. Distribution Utility 510. The indicative plan for the expansion of power generation and transmission facilities, formulated and updated yearly by the DOE in coordination with Generators, Grid owners, System operators and Distribution utilities. Power Development Plan (PDP) 511. Two shafts made up of mild steel one having circular cross section and the other being hollow circular with inner diamter half of the outer diamter. The ratio of the torque that can be transmitted in two cases given by ____. 15/16 512. Is the change in shape of the materials when subjected to the action of a force? Strain 513. The twisting moment of a shaft is ____ proportional to horsepower and ___ proportional to speed. Directly, inversely 514. The property of fluid which determines the amount of its resistance to shearing stress is known as? Viscosity 515. Cyaniding is the process of ____. Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness 516. If the carbon content of pig iron is removed the almost pure iron remaining is a soft tough metal called ____. Wrought Iron 517. In poweder metallurgy the process of heating the cold pressed metal powder is called ____. Sintering 518. In forgings, what type of carbon steel should use? Low or Medium 519. What is the ratio of stress to strain below the proportional limit? Young’s modulus 520. It is a quantity which measures the resistance of the mass to being revolved about the line. Moment of Inertia  ESAS TERMS AND OBJECTIVES: 521. In a stress-strain diagram, what is the correct term for the stress level at € = 02.% offset? The offset yield stress 522. Where does stress concentration occur? I and III I. Near the points of application of concentrated load II. along the entire length of high distributed loads III. at discontinuities 523. Which of the following is the value of n(from PVn = C) for a perfect gas undergoing isothermal process? 1 524. During an adiabatic, internally reversible process, what is TRUE about he change in entropy? It is always zero 525. In a combustion chamber, fuel is burned to raise the temperature of the medium prior to production of work through an expansion process. The heat generated during the combustion reaction is the. Heat of reaction 526. Most common fluids such as water, oil, gasoline and alcohol are classified as Newtonian fluid? True 527. If the heat of a solution is negative, heat is given off when the solute dissolves in the solvent. What type of reaction is this? Exothermic 528. Heating of an ore to bring about is decomposition of a volatile product. Calcination 529. Which of the following group of elements ALL from crystal of the diamond structural lattice? Carbon, Silicon, and Germanium 530. Heat is transferred at constant volume process to the thermodynamics system of a fixed mass. The thermodynamics system will produce ____. Zero work 531. In the periodic table of elemtns, which ONE of the following is a light metal? Potassium 532. Is the attraction between like molecules? Cohesion 533. Reactions generally proceed faster at high temperature because of which of the following? The molecules collide more frequently and the activation energy is less 534. At absolute zero temperature (0 K), all the valence electrons in an intrinsic semiconductor. Are in the valence band 535. The electrons in an incomplete outer shell are called ___. Shell electrons 536. What do you call the probability of finding an electron at any particular point in an atom? Electron Density 537. In a computer system, ____ is a hardware unit where the control keys are located. Console 538. The bus that communicates control and status information is the: Control bus 539. A boot disk contains operating system files plus antivirus software is called ____. Rescue disk 540. What code is widely used in mainframe computers? EBCDIC 541. What do you call a device that proved the computer with electricity if there is a power failer? Uninterruptible Power Supply (UPS) 542. Which of the following devices merges signals? Multiplexer 543. What does “DCTL” means? Direct Coupled Transistor Logic 544. Which of the following takes the complete decimal number and represents it in binary? Straight Binary coding 545. A source program is a program written in ____. High level language 546. The flow back of profit plus depreciation from a given project is called ____. Cash flow 547. The difference between the present and future worth of money at some time in the future. Discount 548. The simplest and extensively employed method in computing depreciation. Straight line method 549. What is the factor formula of i (1+i)n/(1+i)n-1. Capital recovery 550. What is the other term for “acid-test-ratio”? Quick ratio  ESAS TERMS AND OBJECTIVES: 551. Form of summary assets, liabilities and NOT worth. Balance sheet 552. Which of the following clauses in NOT included in Article VI, final provisions of R.A 7920? Penalty 553. An example of a system permitted to be grounded is a corner-grounded ____ transformer connection. Delta 554. A run flexible metal conduit may be used as an equipment grounding conductor if the circuit conductor contained in the conduit or protected by over current devices rated at _____. 20 Amp or less 555. The neutral conductor shall be sufficient ampacity for the load impose on the conductor but not less than ____ percent of the ampacity of the phase conductors. 33 556. Connecting devices or fittings must no connect grounding conductors to equipment by means of _____. Solder 557. For a single-phase 3-wire AC premises wiring system, which conductor is to be grounded? Neutral conductor 558. A grounding electrode connection that is encased in concrete or directly buried shall ____. Not be required to be accessible 559. Type USE service entrance cable, identified for underground use in a cable assemble, may have a ____ concentric conductor applied. These construction shall not required an outer overall covering. Bare copper 560. Firm a uses full absorption costing while firm B uses variable product costing. How will the financial statement of these companies differ? Firm A has a higher cost of goods sold, higher inventory value, and higher retained earnings 561. For fully developed laminar flow of fluids through pipes, the average velocity is what fraction of the maximum velocity in the pipe? ½ 562. During an adiabatic, internally reversible process, what is true about the change in entropy? It is always zero 563. What must be the condition for ideal gas law? High temperature, low pressure 564. Project integration management involves which of the following processes? Quality planning 565. In article III, Sec. 25 of R.A. 7920: Every PEE, REE and RME upon registration with the Board as such, shall ipso facto, become a member of the integrated national organization? True 566. Which of the following is NOT considered as a practice of Electrical Engineering profession? Teaching of mathematics subjects 567. The unit of joule can be converted to which of the following? Pa-m3 568. Which law that for a confined fluid, the pressure at a point has the same magnitude in all direction? Pascal’s Law 569. If the Renold’s number is greater than 4000, what is the classification of the fluid flow? Turbulent 570. What does dynamics in Thermodynamics mean? Energy Transfer 571. What is the maximum efficiency of a Carnot engine if it operates between 800oR and 1000oR? 20% 572. Which cycle is generally used for gas turbines? Brayton Cycle 573. What are the elements comprises vinegar? Cabon, Hydrogen, Oxygen 574. Which of the following metals has the highest specific heat capacity? Aluminum 575. What is the best definition of velocity? Derivative of position with respect to time 576. What defines information systems? Compose of people and computers that process or interpret information 577. What is defined as the process of identifying and choosing alternative courses of action in a manner appropriate to the demands of the situations? Decision-making 578. The process of assigning load addresses to the various parts of the program and adjusting the code and data in the program to reflect the assigned addresses is called ____. Relocation  ESAS TERMS AND OBJECTIVES: 579. In the design of a reinforced concrete structure, tensile strength of the concrete is normally. Neglected 580. Which of the following do you called the brain of any computer system? Central processing unit 581. If a project has multidimensional goals, the project manager often uses his ____ to reach a compromise solution. Tradeoff analysis skill 582. What organizational structure based on the assumption that each unit should specialize in a specific functional area and perform all of the tasks that require its expertise? Functional Organization 583. It is also known as “Energy Efficiency and Conservation Act” R.A. 11285 584. It is defined as the ratio of the RMS value of the harmonic content to the RMS value of the fundamental quantity, expressed in percent? Total Harmonic Distortion (THD) 585. The professional Regulation Commission (PRC) was created under: PD 223 586. Capitalized cost of any structure or property is computed by which relationship? First cost + cost of perpetual maintenance 587. What describe hpw to determine the number under of service unit that will minimize both customer’s waiting time and cost of service? Queuing Theory 588. The difference between the EPROM and ROM circuity is ____. The usage of an extra transistor 589. The PROM is more effective than ROM chips in regard to ____ Both Cost and Speed of operation 590. The reason for the fast-operating speeds of the flash drives is ____. The absence of any movable parts 591. How many bits make up the data path of 30-pin SIMM? 8 592. These materials include familiar plastic and rubber. These materials which are chemically organic based such as carbon and hydrogen and other non-metallic compounds. What do you call these materials? Polymer 593. What are the imperfections of electron in microscope or refractive lenses? Aberration 594. The current in an electrical circuit will take which of the following paths to return to its source? The path of least resistance 595. Strategic planning is undertaken in which management level? Top management 596. To better manage the memory and prevent unnecessary memory allocations, MATLAB uses: delayed copy 597. To add a comment to the file, the MATLAB command is? % 598. In MATLAB, to join one or more strings into a single strings is known as ____. Concatenation 599. Which software application is NOT used in Electrical Engineering? Pack power 600. How many DIMMs are used to fill a memory bank in a Pentium system? 1 601. What is the full form of Pspice? Personal Simulation Program with Integrated Circuit Emphasis 602. The rubbing of an object does not create energy but ,merely changes the electrical neutrality of the substance in contact. Law of conservation of charge 603. It is hotter over the top of a fire than at the same distance on the side because of? Convection of heat 604. The root mean square speed of the molecules of a gas is. Directly proportional to the square of its temperature T 605. The boiling point of water on plains is 1000oC. At hills it will be____. Less than 100oC 606. What will happen to the wavelength if the velocity and frequency of a wave are both reduced to one-half? It will remain the same 607. Why is sound wave travel faster in water than air? Because water has greater bulk modulus than air  ESAS TERMS AND OBJECTIVES: 608. What refers to a measure of the energy of sound? Intensity 609. What is the intensity of the threshold of hearing in W/m? 10^-12 610. What instrument is used to measure blood pressure of human beings? Sphygmomanometer 611. What coating materials is used in the inside of the fluorescent lamp which emits visible light when it is excited by an ultraviolet radiation? Phosphor 612. “The ratio of the sines of the angles of incidence and refraction is equal to the ratio of the speeds of light in the two media”. This statement is known as _____. Huygen’s principle 613. What type of lens deviated parallel light outward as though it originated at a single virtual focal point? Divergent lens 614. The hydrometer is an instrument which uses one of the following theorems. Which one? Archimedes principle 615. What is TRUE between kinetic friction and static friction? Kinetic friction is always less than static friction 616. A thin homogeneous metallic plate containing a hole is heated sufficiently to cause expansion. If the coefficient of surface expansion is linear the are of the hole will. Increase at the same rate as the area of metal increase 617. Which is not cover by thermodynamics? Storage of energy 618. Which of the following is a solid-state drive. Flash drive 619. When using compressed air to clean electrical equipment th air pressure should not exceed 50psi. the main reason is higher pressure ____. Introduce personal hazard to the user 620. What does dynamics in thermodynamics mean? Energy transfer 621. On what plane is the Mollier diagram plotter? h-s 622. The refrigerator is left open for 10 hours, what will happen in the room temperature? The room will slightly increase temperature 623. Which of the following is NOT a requirement for PEE (Professional Electrical Engineer). 7 yrs. Experience 624. Which of the following will occur if substance is oxidized? It losses electron 625. Which of the following best describes the 0.2% offset yield stress? It is the stress at which material plastically strains 0.2% 626. Buying insurance is a form of? Risk sharing 627. Burning woods is what type of change? Chemical 628. Cross-linking of natural rubber is known as: Vulcanization 629. The purpose if nickel in steel alloying is to increase ____. Toughness, hardness, corrosion resistance, and reduce thermal expansion 630. What do you call a translated program in machine language? An object program 631. As of OSHS standard color of sign, what color is used as precaution to the movement of equipment which is under repair or being worked upon is. Blue 632. In materials engineering and metallurgy _____ corresponds to hardness of materials at high temperature. Red hardness 633. What type of fire is caused by wood, paper, fabric plastic and most kind of trash? Class 1 or A 634. In every workplace with less that 100 workers, shall have a _____ for health and safety committee. Part time certified first aider 635. Thermodynamics focus its study on which of the following energy? Internal 636. In an ideal refrigeration-cycle, liquid leaves the condenser and is expanded in such a manner that the enthalpy of the liquid is equal to the enthalpy of the resulting saturated mixture. This type of expansion is known as ____ process? A throttling 637. The ideal reversible Carnot cycle involves four basic processes. What type of processes are they? Two isothermal and two isentropic 638. To reach the en of a document (doc or docx.) you use the key? Crtl+End  ESAS TERMS AND OBJECTIVES: 639. Which of the following DO statements counts J from 1 to 11 in increments of 2? DO 5 J = 1, 11, 2 640. A system that is completely impervious to its surroundings or neither mass nor energy cross its boundaries. Isolated system 641. The sailent feature of Pentium. Superscalar and super pipelined architecture 642. The number of stages of the integer pipeline, U of Pentium is ____. 2 643. For enhancement of processor performance, beyond one instruction per cycle, the computer architects employ the technique of ____. Multiple instruction issue 644. The number of address lines required to address a memory of size 32K is? 15 645. For system to be in equilibrium, the sum of external forces acting on the system must be? Zero 646. Which of the following anchor is designed for medium and heavy weight fastening in solid materials? Stud-bolt anchor 647. Definition of Strain? Deformation per unit length 648. Under which type of loading does fatigue occur? Repeated load 649. The stress concentration factor ____. Is the ratio of the maximum stress produced in a cross section to the average stress over the section 650. The ratio of the moment inertia of the cross-section of the beam to the section modulus. Measure a distance 651. The following valves are used for shut-off service. Which one is NOT included? Plug clock 652. What is the principle of works in the hydraulic brakes of an automobiles? Pascal’s law 653. An open system of first law of Thermodynamics should be utilized for all the following EXCEPT ____. A piston-cylinder device with no inlet/outlet 654. In a revirsible process, work is ____ and temperature is ____. Maximum, minimum 655. What law of nature underpins the concept of balanced chemical equation? First Law of Thermodynamics 656. Which of the following relations defines enthalpy? h = u + pV 657. Which of the following thermodynamics cycles is the most efficient? Carnot 658. What is the chemical symbol for Calcium Chloride? CaCl2 659. What is also called “Stranger Gas” Xenon 660. For completely corrosion-resistant stainless steel, what minimum percentage of chromium in the alloy is required? 11% 661. What is the metal used to recover copper from a solution of copper sulphate? Fe 662. What of the following materials is NOT a viscoelastic material? Metals 663. What subject which covers the refinement of pure metals from their ones? Extractive Metallurgy 664. What type of materials usually has a higher index of refractions? Denser materials 665. Under conditions of very deformation and high temperature, it is possible to have a plastic flow in a crystal at shear stresses lower than the critical shear stress. What is this phenomenon called? Creep 666. What is UPS stands for? Uninterruptible Power Supply 667. A technician has installed a new video card the computer will now only boot into VGA mode. Which of the following may be the cause of the problem? The incorrect drivers are installed 668. The memory devices which are similar to EEPROM but differ j in the cost effectiveness is. Flash memory 669. When installing the heatsink back into a computer after replacing a failed processor, which of the following must be done during installation? Thermal compound must be installed between processor and heatsink 670. What decimal number is equivalent to binary number 1101? 13  ESAS TERMS AND OBJECTIVES: 671. Divide (1111) base 2 by 100 base 2. Express the answer in base 10. 11.110 672. What is wrong with this program? The value of I cannot be changed in the DO loop 673. DO 20 I = 1.5 674. A (I,J) = 5.8 675. I=5 676. 20 CONTINUE 677. In MATLAB which is NOT aspect of a for/while loop? Runner 678. Which function is NOT provided by the MATLAB Mathematical function library? Line diagram 679. Which of the following is used to analyze and visualize the data in MATLAB? Simulink 680. On systems where there are multiple operating system, the decision to load a particular one is done by _____. Boot loader 681. A computer virus that infects the macros that are attached to documents and spreadsheet is called? Micro virus 682. What is the standardized communication technique for expressing instructions to a computer? Programming language 683. What do you call a person who gains illegal access to a computer system? Hacker 684. A software program designed to a computer system, usually a network through security “holes” and then replicate itself. Worm 685. Which of the following computer program is NOT considered open-source software? Microsoft Office 686. A project management must be very good in which of the following skills? All of the above 687. Which of the following technique must be a manager use if he decides to absorb the risk in the project? Create buffer in the form of management reserve or extra time to schedule 688. What is an important tool for the design and implementation of the project’s work content? Linear responsibility chart 689. Which of the following expressions is INCOREECT? (A/F,I,n) – i = (A/P,I,n) 690. This provides detailed information about specific hazardous material and contains some of the following such name of substance, physical hazards, health hazards safe handling procedures control measures, emergency first aid procedures, etc. Management Safety Data Sheet 691. What refers to the establishing interrelationships between people and things in such a way that human and material resources are effectively focused toward achieving the goal of the company? Organizing 692. In project management, what is usually the first step underlying in the process of performing a project? Identify a need for product or service 693. The amount of property in which a willing buyer will pay to a willing seller for a property when neither one is under the compulsion to buy nor sell is called ____ value. Market Value 694. In R.A. 7920, Sec. 4 article II, states that the board shall exercise quasi-judicial, which means? Investigate 695. When was R.A. 7920, passed by the House of Representatives and the Senate? February 21, 1995 696. Limit in taking removal exam in REE licensure examination? No limit 697. Based on section 18 R.A. 7920, the minimum age requirement for qualifications of applicants for Registered Master Electrician (RME) examination is at least ____ years of age. 18 698. What is “commission” in Implementing Rules and Regulations (IRR) of R.A. 7920, Article I, Rule (b)? Professional Regulation Commission (PRC) 699. Which of the following is qualified as the chairman of the Continuing Professional Development Council for Electrical Engineering? PRBEE board member  ESAS TERMS AND OBJECTIVES: 700. The Philippine Electrical Code Part 1 2009 was based on National Electrical Code 2005 while the Philippine Electrical Code Part 1 2017 Edition was based on the National Electrical Code? 2017 701. Electrical equipment must be grounded to ensure that dangerous voltage on metal parts resulting from a ground fault can be reduced to a safe value. I only 702. True 703. False 704. How many times the diameter of the largest raceways shall be length of the box be in straight pulls? 8 705. Rod and pipe electrodes shall NOT be less than ____ mm in length. 2400 706. Which of the following best defined the phase "likely to become energized”. Failure of insulation 707. What is the standard color for safety signages to indicate the presence of radiation hazards example in the X-ray laboratory in the hospital? Purple with combination of yellow 708. What is the reason why incidents are investigated? To prevent or control a future recurrence on a similar incident 709. Which of the following is NOT a hazardous practices? Using the right tools/equipment 710. The electric power industry was divided into four sectors by R.A 9136 namely: generation, transmission, and _____. Supply 711. Which of the following is/are the disadvantages of operating an ungrounded electrical system? 712. Transient overvoltages cannot be controlled 713. Power system overvoltages are not controlled 714. Destructive arcing burndowns can occur on a second fault 715. Answer: I, II, and III 716. It refers to the process of increasing the electrical properties and/or characteristics of the power line and its associated facilities to accommodate the present and future requirements of the system or of the grid. Uprating 717. The land beneath the air spaces surrounding and the area transversed by power lines including its horizontal, vertical, and similar clearance requirements shall constitute the ____. Power line corridor 718. What percent of human body is carbon? 18% 719. In a spreadsheet, the formula $A$3+$B3+D2 is entered into cell C2. The contents of cell C2 are copied and pasted into cell D5. The formula in cell D5 is? $a$3+$B6+E5 720. A roller coaster rolls without friction around the loop-the-loop track. It starts from rest at a height “h” above the bottom of the loop. What is the minimum value of “h” in terms of radius of the loop “R” such that the roller coaster moves around the loop without falling off at the top? (5/2)R 721. If the temperature of a medium is 0oC, what will the temperature be if it is double? 273oC 722. Point at which solid, liquid and vapor forms of a substance simultaneously exist. Triple 723. A hygrometer is an instrument to measure ____. Relative humidity 724. How does an adiabatic process compare to an isentropic process? Both: heat transfer = 0; isentropic: reversible 725. A large class of devices (such as turbines, centrifugal compressors and pumps) involves work. Assuming reversible steady-state, steady-flow process with negligible changes in kinetic and potential energy, the elementary work is? -V dP 726. What cycle is use for cooling system for aircraft? Bell-coleman 727. A simultaneous generation of electricity and steam (or heat) in a single power plant is called: cogeneration 728. The temperature of a body is 50oF, find the temperature in deg. Rankine. 509.7 729. What is the empirical formula for nitric acid? HNO3  ESAS TERMS AND OBJECTIVES: 730. What is the charge of elements that belongs to group 2A (IIA). +2 731. The chemical process which occurs when water is added to cement is called ____. Hydration 732. In electrolysis, the anions migrate to the anode. Which of the following ions migrate to the other electrode? Cations 733. In an aqueous solution, if some acid is added, its pH will ____. Decrease 734. What is the percent of alcohol in a 90-proof whisky? 45% 735. Which of the following is not true about ideal gases? They do not apply pressure 736. What field of study encompasses the procurement and production of metals? Metallurgy 737. Use of copper in steel alloying. Increase atmospheric corrosion resistance 738. How many atoms are in the unit cell of body-centered cubic (BCC) structure? 2 739. What is the ASTM tension testing designation for standard methods for steel product? A370 740. What is the generic name of a class of polymer which commercial known as nylon? Polyamide 741. What physical property of a material refers to the highest potential difference that an insulating material of a given thickness can withstand for a specified time without occurrence of electrical breakdown through its bulk? Dielectric Strength 742. What is the S.I. unit of luminous intensity? Candela 743. If the mass on a body were doubled, its acceleration due to gravity would be ____. Unchanged 744. A child on a sled is sliding down the hill covered with snow. The combined mass of the child and the sled is “m”, the angle of inclination of the hill is “φ” (phil), and the coefficient of kinetic friction between the snow and the sled runners is "µ” (mu). Which of these expressions gives the frictional force? µ mg cos φ 745. A boy carried a weighing scaled inside an elevator. In what way can the boy have the same weight all throughout his ride? Moving at constant speed 746. A simple beam “L” meters long carries a concentrated load of “P” Newtons at the midspan. What is the maximum bending moment of the beam? PL/4 747. Unit of Young’s Modulus. Kg/cm2 748. Unit of strain is ____. Unitless 749. Which statement about area moments of inertia is FALSE? The area closest to the axis of interest are the most significant 750. Poisson’s ratio is the ratio of the _____. Unit lateral deformation to the unit longitudinal deformation 751. What is called weight per unit volume of a substance? Specific weight 752. Which of the following are NOT units of pressure? kg/m 753. The property of a fluid which determines its resistance to shearing stress is called ____. Viscosity 754. The standard atmospheric pressure is ____ kPa. 101 755. Device used to measure the velocity of a liquid? Pitot tube 756. On doubling the speed, N, of a centrifugal pump, all of the following are true, EXCEPT: Head, horsepower and volume flow rate are independently variable 757. Under which of the following conditions is Bernoulli’s equation valid? All of the Above 758. An essential part of a large dam and provides an efficient and safe means of releasing flow water that exceeds the design capacity of the reservoir. Spillway 759. Future worth is equivalent to ___. P(1+i)n 760. Which is NOT a requirement of PRBEE? At least 40 years old, good moral conduct 761. Who is in-charge in recommending the member of board in case of vacancy? Commissioner of PRC 762. What is Rule 11 in R.A. 7920? Places and Dates of Examination  ESAS TERMS AND OBJECTIVES: 763. What is the minimum size of stainless steel grounding rod as specified by PEC? 16mm 764. A GFCI should be installed in which location? Bathroom 765. What is the reason the code requires each separate phase conductor to be located in the same raceway? To reduce inductive heat 766. Which of the following insulation color identity the grounded conductor of a branch circuit? White 767. PEC part 2, 2020 Edition is the ____. 6th Edition 768. Which of the following is not a Distance relay? Differential relay 769. As per OSHS what is the rule number for health and safety committee? 1040 770. What is the Law for renewable energy is ____. R.A. 9513 771. In R.A. 11361, the Prevention and Removal of Power Line Obstruction on Private Property is what section? Section 8 772. Tall growing plants refers to plants, vines and other plant species, which grow or have the potential to grow more than ____ in height from the ground. 3 meters 773. The overall energy program formulated and updated yearly by the DOE and submitted to congress pursuant to R.A. 7638 is known as PEP which means? Philippine Energy Plant 774. Current in a electrical circuit will take ____ to return to the source. Only the path of least resistance 775. Which of the following bus has function of directing memory and I/O devices transfer? Address 776. Which of the following is the busiest bus and the one that carries that actual data? Data bus 777. The MATLAB command will correctly define x, y, and z as a symbols? Syms x y z 778. The MATLAB command use for clear window? Clc 779. MATLAB command for getting the roots of 3x^2-4x+7=0. Roots 780. Which of the following user-defined header file used in C++? H 781. By default, all the files in C++ are opened in ___ mode. Text 782. The LCD display of a portable computer is powered by _____. Low-voltage AC 783. Is an act of sending e-mail or creating web pages that are designed to collect an individual online bank, credit card or other login information? Phishing 784. Device that transmits two or more signal at the same time. Multiplexer 785. Which of the following does NOT contribute noise to a communication system? None of the above 786. What defines information systems? Compose of people and computers that processes or interprets information 787. What refers to the negotiable claim issued by a bank in lieu of a term deposit? Certificate of deposit 788. In financial accounting another term for Acid Test Ratio is ___. Quick Ratio 789. It is a financial action that does not promise safety of the initial investment along with the return on the principal sum. Speculative capital 790. The two conductors of a transmission line carry equal current I in opposite direction. The force on each conductor is. Proportional to I2 791. A material which is slightly repelled by a magnetic field is known as. Diamagnetic material 792. The ratio of intensity of magnetization to the magnetization force is known as. Susceptibility 793. Paramagnetic materials have relative permeability. Slightly >1 794. The unit of magnetic flux is. Weber 795. Permeability in magnetic circuit corresponds to ____ in an electric circuit. Conductivity 796. What is the standard device number for overvoltage relay? 59 797. The unit of capacitance is. Coulombs/volts  ESAS TERMS AND OBJECTIVES: 798. “The total electric flux through any closed surface surrounding charges is equal to the amount of charge enclosed”. The above statement is associated with? Gauss’s Law 799. Voltage across capacitor at any time (t) during charging from a DC source voltage (V) is given by. v= V(1-e-t/λ) 800. The breakdown voltage for paper capacitors is usually. 200 to 1600 volts 801. The property of material which opposes the creation of magnetic flux in it is known as. Reluctance 802. The coefficient of self-inductance for coil is given as. Nφ/I 803. “The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity”. The above statement is associated with. Faraday’s Law of Electrolysis 804. The capacity of a lead-acid cell is measured in Ampere-hours 805. Five 2 V cells are connected in parallel. The output voltage is 2v 806. The storage battery generally used in electric power station is? Lead-acid battery 807. The power consumed in a circuit element will be least when the phase difference between the current and voltage is 90o 808. The commutator segment are connected to the armature conductors by means of Copper lugs 809. For a DC generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher emf? Wave winding 810. Iron losses in a DC machine are independent of variation in Load 811. Brushes of DC machine are made of Carbon 812. No-load speed of which of the following motor will be highest? Series motor 813. If a DC motor is to be selected for conveyors, which motor would be preferred? Series motor 814. Small DC motors up to 5 HP usually have. 2 poles 815. The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is. 0.5 816. The no-load current drawn by transformer is usually what percent of the full-load current? 2 to 5 percent 817. The dielectric strength of transformer oil is expected to be. 33kV 818. The maximum efficiency of a distribution transformer is. At 50% full load 819. The frequency of the voltage generated in large alternators. 50hz 820. The number of poles in turbo-alternators is usually. 2 821. Harmonic component of generated E.M.F will be more in. full pitch coil 822. The dark and bright lamp method is used for. Synchronizing 823. An alternator driven by a Francis hydraulic turbine is a _____ alternator? Low or medium speed 824. For low head and high discharge, the hydraulic turbine used is. Kaplan turbine 825. Which device is used to change the kW output of generators in parallel? Governor 826. Which motor is used in food mixer? Universal motor 827. In a long column (slenderness ratio > 160) which of the following has the greatest influence on its tendency to buckle under a compressive load. The length of the column 828. The stress concentration factor _____. Is the ratio of the maximum stress produced in a cross section to the average stress over the section 829. In the design of a reinforced concrete structure, tensile strength of the concrete is normally: Neglected 830. Which material has the highest Poisson’s ratio? Rubber 831. If shear stress in a fluid varies linearly with velocity gradient, which of the following describes the fluid? It is a Newtonian gas 832. In the design of waterways, the “hydraulic jump” is sometimes used for ____. Energy dissipation  ESAS TERMS AND OBJECTIVES: 833. When a fluid flows through a pipe of cross sectional area “A” and a velocity “V”, the flow or discharge is ____. AV 834. A hydrometer scale for measuring the relatively density (sp.gr.) of liquids. Baume scale 835. Elements which generally exhibits multiple oxidation state are ____. Transition elements 836. An open system First Law should be utilized for all the following EXCEPT: A piston- cylinder device with no inlet/exhaust values 837. For spontaneously occurring natural processes is an isolated system, which equation best expresses dS? dS>0 838. Brayton cycle consist of: Two isentropic and two constant pressure processes 839. An ideal gas is compressed isothermally. The enthalpy change is: zero 840. Which of the following statements is true for a perfect gas flowing through an insulation valve? Enthalpy is essentially unchanged 841. Which of the following statements is FALSE concerning the deviation of real gases from ideal gas behavior? Molecular attraction interactions are compensated for in the ideal law. 842. The isentropic (process) efficiency is used to compare actual devices such as turbines, compressors, nozzles, and diffusers to ideal ones. Which statement is true? The inlet state and exit pressure are the same for both the ideal