SET 1 Quiz Worksheet PDF

8/10/24, 1:28 PM SET 1 | Quizizz Worksheets Name SET 1 Class...

8/10/24, 1:28 PM SET 1 | Quizizz Worksheets Name SET 1 Class Total questions: 117 Worksheet time: 59mins Date Instructor name: Mr. Zaryab Acciona 1. An alternator is said to be over excited when it is operating at: a) Unity power factor b) Leading power factor c) Lagging power factor d) Lagging to leading power factor 2. A synchronous motor is said to be over excited when it is operating at a) Unity power factor b) Leading power factor c) Lagging power factor d) Lagging to leading power factor 3. A micro antenna is: a) Integrated antenna b) Long Antenna c) Short Antenna 4. What is the primary use for fast track scheduling: a) To decrease the cost of construction b) To decrease the cost of professional services c) To avoid future cost increase d) To guarantee project cost prior to the start of building 5. In Harvard Architecture: a) Code and data spaces are merged b) Code and data spaces separated c) Code space is contained in ROM and data d) Code space is contained in RAM and data space is contained in RAM space is contained in ROM https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 1/19 8/10/24, 1:28 PM SET 1 | Quizizz 6. The direction of the force acting on a moving charge placed in a magnetic field is: a) Perpendicular to the magnetic field b) Opposite to the direction of motion of the charge c) Along the direction of the magnetic field d) Along the direction of motion of the charge 7. The unit of conductance is: a) per ohm b) ohm/m c) mho/m d) mho 8. ABET stands for Accreditation Board for Engineer and Technology? a) True b) False 9. or the circuit shown, the phase shift of the transfer function V/Vo at very high frequencies is: a) 90° b) 0° c) -90° d) -180° 10. The third harmonic of the Fourier series for the waveform in the figure has a frequency (Hz) of: a) 250 b) 750 c) 4712 d) The third harmonic does not exist 11. The wire placed on the top of a transmission line is a: a) Phase wire b) Neutral wire c) Transmission wire d) Ground wire 12. Consider the three-stage r-f amplifier shown below. AR1 refers to the input amplifier stage, AR2 to the second stage, and AR3 to the output stage. For this amplifier configuration, the total noise figure (dB) is most nearly: a) 6.6 b) 8.6 c) 10.5 d) 12.3 https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 2/19 8/10/24, 1:28 PM SET 1 | Quizizz 13. Of the following engineering disciplines, who would be BEST suited to design and operate an automobile factory? a) Petroleum Engineer b) Mechanical Engineer c) Civil Engineer d) Chemical Engineer 14. Which of the following describes the leakage flux? a) A flux outside the core b) Flux linking the primary c) Flux linking the secondary d) Flux other than the mutual flux 15. Fast Tracking in Project means? a) Start the project before the design is complete b) Fixed cost-plus fee c) None 16. We have three resistances of values 2Ω, 3Ω, 6Ω. Which of the following combinations will give an effective resistance of 4Ω? a) All three resistances in parallel b) 2Ω in series with parallel combination of 3Ω and 6Ω c) 3Ω in series with parallel combination of 2Ω and 6Ω 17. This question investigates the performance of the temperature sensor shown below. The temperature sensor is linear with the following circuit voltages: Vs = 0 mV at 0°C Vo = 100 mV at 100°C. The operational amplifier (op amp) is ideal. At 100°C, the maximum output voltage at Vo/Vs due to the tolerances in Rz is most nearly: a) 2.5 b) 5.2 c) 7.4 d) 10.1 https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 3/19 8/10/24, 1:28 PM SET 1 | Quizizz 18. he condition for successful parallel operation of transformers is: a) Correct polarity b) Per unit impedance based on their rating should be equal c) Identical voltage and frequency rating d) Equal ratio of equivalent resistance to reactance e) All of these 19. The output of a NOR gate is HIGH if ____________. a) all inputs are HIGH b) any input is HIGH c) any input is LOW d) all inputs are LOW 20. Digital telecommunication equipment provides connection-oriented AND/OR connection-less service. Connection-oriented service is provided by: a) ATM b) ETHERNET c) FDDI d) SMDS 21. Commercial AM Modulation technique is: a) DSB-SC b) DSB-LC c) QAM d) SVAM 22. For fast switching of an NMOS R-pull up inverter (W/L) should be: a) Large b) Small c) Equal to the drain current d) Equal to the power dissipated during switching 23. A real time kernal is considered a "bare bones " real-time operating system kernel should provide: a) Task management, file management, memory b) Task scheduling, task dispatching, file management management c) Inter-task communication, task dispatching, d) Task scheduling, task dispatching, inter-task memory allocation communication https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 4/19 8/10/24, 1:28 PM SET 1 | Quizizz 24. A certain communication signal uses a bandwidth (BW) of 2kHz. What is the classification of this signal? a) Voice grade VHF b) Narrowband VLF c) Voice grade HF d) Wide band UHF 25. n an induction motor, no load slip is generally: a) less than 1% b) 0.015 c) 0.02 d) 0.04 26. Minimum voltage regulation occurs when the power factor of the load is: a) unity b) lagging c) leading d) zero 27. In medium-sized induction motors, the slip is generally around: a) 0.0004 b) 0.004 c) 0.04 d) 0.14 28. The manufacturing company gets materials from 2 suppliers, X & Y. If X delays the procurement of materials by 2 days and the company takes 10 days to obtain the material, what shall be the delays (days) for product completion? a) 0 b) 1 c) 2 d) 3 29. If an alternator is over-excited: a) PF is lagging b) PF is leading c) Is Unity d) Is zero Rejection of Noise 30. The input impedance of a cascade amplifier will: a) Same as input impedance of first b) Same as output of second c) Same as the entire circuit d) Same as the stage before the last stage https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 5/19 8/10/24, 1:28 PM SET 1 | Quizizz 31. Rotor of an induction motor is rotating at synchronous speed. What is Torque? a) High b) Low c) Zero d) Infinity 32. What does the power factor stand for? a) Cosine of the angle between the voltage and b) Sine of the angle between the voltage and current current c) Tangent of the angle between the voltage and d) Cotangent of the angle between the voltage current and current 33. What is the minimum gauge size of the earthing cable? a) 20 b) 16 c) 10 d) 8 34. To get rid of DC offset, use: a) Low pass filter b) High pass filter c) Band pass filter d) Stop band pass filter 35. For forward biasing: a) Anode 3V cathode 7V b) Anode 5V cathode 3V c) Anode 7V cathode 10V 36. Transformer resistivity: a) High voltage higher than low voltage b) High voltage lower than low voltage c) High voltage equal to low voltage 37. Amplifier working with good gain in: a) Reverse region b) Cutoff region c) Active region d) Saturated region https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 6/19 8/10/24, 1:28 PM SET 1 | Quizizz 38. What is MOSFET? a) Transistor b) Thyristor c) Amplifier 39. To minimize loading effect use? a) Resistance b) Capacitors c) Inductors 40. Alternator connected on no load condition, what affects the efficiency? a) Speed b) Voltage c) Armature losses 41. Transformer saturation: a) High efficiency, low no load losses b) Low efficiency, low no load losses c) Low efficiency, high no load losses d) High efficiency, high no load losses 42. What will be the output impedance of a cascade amplifier to minimize the loading effect? a) High b) Low c) Intermediate d) No effect 43. Uninterruptible Power System has to be connected to the network by: a) Series to feed electrical power at normal time b) Parallel to feed electrical power at normal time c) Series to feed electrical power at critical time d) Parallel to feed electrical power at critical time 44. What is the purpose of the neutral line in a 3-phase power system? a) As return path for the normal current b) As return path for the normal voltage c) As return path for fault current d) As return path for fault voltage https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 7/19 8/10/24, 1:28 PM SET 1 | Quizizz 45. An engineer received a new scope of work which is not included in the original scope. What action should he take? a) Accept the scope and start supplying the b) He has to inform his boss first materials c) Refuse to receive the new scope 46. An active filter will: a) Amplify b) Filter and Amplify c) Amplify/Filter/Modulate 47. Embedded system should have the best: a) Dynamic response b) Static response c) No response 48. If the gain of an amplifier is 10 and it has negative feedback of 9%, what will be the gain if feedback is removed? a) 10 b) 90 c) 100 d) 1.2 49. Humming of a transformer is due to: a) Vibration of winding coil b) Vibration of brushes c) Vibration of laminated core 50. I = 5 Cos wt + 2 Cos wt, R = 3 Ohms, Find the wattage: a) 44 b) 78 c) 147 51. A 1000m cable is terminated with a short circuit at the far end. The first reflected wave appears 9.43μs after the incident wave. The actual velocity in the cable divided by the speed of light is: Vp = 2L/To a) 0.35 b) 0.71 c) 1 d) 1.41 https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 8/19 8/10/24, 1:28 PM SET 1 | Quizizz 52. High voltage winding of a transformer has ________ resistivity than the low voltage side. a) Lower b) Higher c) Equal d) Lower or Equal 53. Three 30μF capacitors are connected in a star (Y) form between the terminals A, B, C and a junction point N as shown in the figure. The capacitance (μF) between terminals A and B is most nearly: a) 10990 b) 15 c) 30 d) 60 54. The output D in the circuit is: a) B(A+C) b) (A+B) (B+C) c) AB + BC d) (A+B) CB 55. Power consumption in the advanced embedded system is: a) 0.1 b) 0.5 c) 0.8 d) None of the above 56. Calculate the Vout: a) 1.1V b) 2.2V c) 4.3V d) 5V 57. Harmonics in a system are mainly due to: a) Variable Impedance Load b) Saturated Magnetic Load c) Power Electronics Load d) All of the above 58. Main objective of a transmission system: a) Reliability b) Voltage regulation c) Power factor d) Efficiency https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 9/19 8/10/24, 1:28 PM SET 1 | Quizizz 59. Which of the following parallel resistances will have the highest value of the equivalent resistance? a) 10 kOhm and 25 kOhm b) 1 kOhm, 2 kOhm and 3 kOhm c) Two 500 kOhm resistors d) Four 40 kOhm and two 10 kOhm resistors 60. In the receiver of a wireless system, we must amplify the received signal using: a) A power amplifier b) A differential amplifier c) An active filter d) A low-noise amplifier 61. An overcurrent relay is used to protect a circuit with a maximum 3-phase fault current of 8000A. Primary: A 400:5 current transformer ratio and a 5A relay tap setting are selected. If the total secondary burden on the current transformer for the maximum fault condition is 1:10, the excitation voltage (V) that must be developed by the current transformer is most nearly: a) 100 b) 110 c) 115 d) 120 62. In the 3-phase system, the neutral is: a) Normal return path for the current b) Abnormal return path for the current c) A and B d) None of the above 63. Which circuit breaker is used at the distribution level? a) Air circuit breaker b) Air blast circuit breaker 64. Open circuit test on a transformer is conducted to obtain: a) Ohmic loss only b) Hysteresis loss only c) Eddy current loss only d) Core loss only 65. The electric flux passing out through a closed surface is equal to: a) The line integral of the surface b) Zero c) The flux density at the surface d) The total charge enclosed by the surface e) The net surface integral of the current https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 10/19 8/10/24, 1:28 PM SET 1 | Quizizz 66. The output is to be maintained at 24V, while the input varies from 120V to 126V with a load current ranging from 0A to 5A. Assume ideal conditions, that is the keep alive current is zero and the Zener resistance RZ is negligible: What is the minimum power of the supply resistor? a) 400 b) 450 c) 500 d) 550 67. On the question above, what is the minimum diode power rating that can be used? a) 100 b) 150 c) 500 d) 600 68. On the question above, what is the required supply resistance to ensure proper operation of the Zener regulator circuit? a) 19 b) 22 c) 24 d) 25 69. On the question above, what is the Maximum Zener current? a) 4.1 Amps b) 4.3 Amps c) 5.1 Amps d) 5.3 Amps 70. Find the total float of activity D for the project: a) 1 b) 3 c) 9 d) 2 71. The self-discharge rate of a lead-acid battery is least dependent on which of the following factors? a) Concentration (specific gravity) of electrolyte b) Age of battery c) Temperature d) Nominal voltage of battery 72. The minimum standard wire gauge of earth wire is: a) 20 SWG b) 16 SWG c) 10 SWG d) 8 SWG https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 11/19 8/10/24, 1:28 PM SET 1 | Quizizz 73. The unit of current is: a) Ampere b) Watt c) Volt d) (Any other write here) 74. The most economical method of starting a single-phase motor is: a) Split-phase method b) Resistance start method c) Inductance start method d) Capacitance start method 75. In the circuit shown, which resistor(s) is (are) redundant? a) R1 only b) R1 and R4 c) None 76. A copper cable used in a plain old telephone service line has a loss of 1.5 dB/km. What is the approximate loss experienced if the user is located 1.5km from a central office? a) 1.5 dB b) 15 dB c) 20 dB d) 220 dB 77. A lossy transmission line is used to connect a transmitter to an antenna. If the VSWR measured at the antenna end of the transmission line is 1.5, which of the following statements is correct? a) The VSWR measured at transmitter end of the b) The VSWR measured at transmitter end of the transmission line is smaller than 1.5 transmission line is greater than 1.5 c) The VSWR measured at transmitter end of the d) The characteristic impedance of the antenna transmission line is equal to 1.5 matches exactly the characteristic impedance as the transmission line 78. Which of the following characteristics is not typical of a project manager? a) Managing a temporary activity b) Possesses in-depth technical knowledge c) Managing a non-repetitive activity d) Manages independently of the formal organization https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 12/19 8/10/24, 1:28 PM SET 1 | Quizizz 79. The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be: a) 10 b) 1.25 c) 100 d) 90 80. A DC current of 50A is flowing in an isolated wire. The magnitude of the magnetic field intensity, H (A/m), 10 cm from the center of the wire is: H = I / 2πr a) 0.05 b) 8 c) 43 d) 80 81. Which type of braking is used in an induction motor? a) Regenerative b) Dynamic c) Plugging d) All of the above 82. What is the common or usual method to ensure that the final set of construction documents satisfy the client's program and design goals? a) Make a checklist program requirement for the b) Have the client review a final check set for staff working on the project or use to compliance with the program requirements and continuously monitor their progress as they request that any corrections be noted. prepare the drawings. c) Have another architect who is unfamiliar with d) Hold regular progress meetings with the client the project review the final set for compliance and staff involved to compare the current with the original program requirement. status of the drawings with the original program requirements. At the conclusion of this phase, require that the client provide the architect with written approval to proceed to the next phase. 83. In a cascade amplifier, to reduce the loading effect at the output, the output impedance of the last stage should be: a) Very high b) Intermediate c) Very small https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 13/19 8/10/24, 1:28 PM SET 1 | Quizizz 84. In a cascade amplifier, to reduce the loading effect at the input, the input impedance of the first stage should be: a) Very high b) Intermediate c) Very small 85. In which of the following circuits will the voltage source produce the most current: a) 10 Volt across a 10 Ohm Resistance b) 10 Volt across two 10 Ohm Resistances in Series c) 10 Volt across two 10 Ohm resistances in d) 1000 V across 1 MOhm resistance parallel 86. Which of the following theorem is used for frequency? a) Kirchhoff b) Muller c) Shannon Theorem 87. The main cause of transformer humming is: a) Vibrations in the insulating and cooling oil b) Vibrations in the core lamination c) Vibration in the bushes d) None of the above 88. If the induction motor speed at no-load is 745 RPM, what is the speed of the motor? a) 700 RPM b) 750 RPM c) 800 RPM d) 850 RPM 89. Synchronous speed for a motor is 1600 RPM at 60 Hz. Calculate the number of poles. a) P = 2 b) P = 4 c) P = 6 90. At what region of operation is the base-emitter junction forward biased and the base-collector junction reverse biased for BJT? a) Saturation b) Linear or active c) Cut-off d) None of the above https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 14/19 8/10/24, 1:28 PM SET 1 | Quizizz 91. What is the role of the Zener diode? a) Rectification b) Voltage regulation c) Amplification 92. The heat loss inside a straight conductor is 60J upon applying current I for 5s. If the resistance of the conductor is decreased to half, and the same current is applied for 5s, what will be the heat dissipation? a) 60J b) 30J c) 15J d) 120J 93. Why do we use a power factor correction device? a) Mitigate PF b) Increase PF c) Getting PF d) None of the above 94. Rotor of an induction motor is rotating at synchronous speed, what is the torque? a) High b) Low c) Zero d) Infinity 95. The underground cable is laid in a marine environment at system voltage. What shall be the design of the cable insulation? a) (1√3)A b) √3A c) √2A d) 2A 96. Cable length is 1000m, time of returning signal is 9.43μsec. What is the speed of the wave in the cable? a) 0.35 b) 0.75 c) 1 d) 2.1 https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 15/19 8/10/24, 1:28 PM SET 1 | Quizizz 97. An antenna has an effective aperture of 10m². What additional information is required to determine the amplifier power? a) Power density b) Power loss c) Space loss d) Total aperture 98. 10HP Single phase motor, 0.8 PF, 240V, Efficiency = 0.6, What is the current? (Hint: Pout = n V I cos Ø) a) 70 A b) 52.5 A c) 64.76 A d) 90 A 99. Which of the following is not an opportunity to do the project? a) Demand of the product b) Emerging markets c) Lot of Manpower d) Favorable exchange rates e) None of these are Organizational opportunities 100. For the shown block diagram, what is the dumping ratio O/P / I/P = U/R where S = 1? a) 0.4 b) 0.63 c) 0.7 d) 2.82 101. An alternator is operating at __________ for capacitive loads. a) Lagging power factor b) Unity power factor c) Leading power factor d) None of the above 102. The activity on node networks shown below describes a project consisting of 8 tasks A-H. Each node indicates duration in weeks; relationships are finish-to-start. The minimum time to complete the project is: a) 15 weeks b) 16 weeks c) 17 weeks d) 18 weeks https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 16/19 8/10/24, 1:28 PM SET 1 | Quizizz 103. A super heterodyne AM receiver with an intermediate frequency (IF) of 455 kHz is to be tuned to listen to a station at 540 kHz. What tuning frequency is used in the local oscillator? a) 96 kHz b) 540 kHz c) 550 kHz d) 995 kHz 104. For which of the following topologies can 10BaseT not be used without additional hardware conversion? a) Star b) Tree c) Point to Point d) Bus 105. High voltage windings of transformer have _________ resistivity than the low voltage side. a) Lower b) Higher c) Equal d) Lower or Equal 106. ACR of conductor has 7 steel wires and 25 aluminum wires can be specified as: a) 45498 b) 11871 c) 32/7 d) 25/7 107. The output D in the circuit is: a) B(A+C) b) (A+B)(B+C) c) AB + BC d) (A+B)CB 108. Cable length is 1000m, time of returning signal is 9.43μsec. What is the speed of wave in the cable? a) 0.35 b) 0.75 c) 1 d) 2.1 109. The equivalent circuit of induction machine at no load is the same as that of the transformer but with: a) Open circuited secondary b) Short circuited secondary c) Open circuited primary d) Short circuited primary https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 17/19 8/10/24, 1:28 PM SET 1 | Quizizz 110. Which of these is not a rule of interaction? a) Law b) Etiquette c) Morals d) Communication e) Ethics 111. Within the battery, conventional current flow is: a) Cation to Anion b) Positive electrode to Negative electrode c) Anode to Cathode 112. Activity on arrow needs to use dummy activities to avoid precedence problem that can happen due to: a) Critical Path Activities b) Merge Activities c) Burst Activities 113. What is the average value of signal v(t) = 5 sin377t a) 2.8 b) 3.8 c) 3.2 d) 3.5 114. A 3 phase transformer, 25MVA, 66-12.47kV, delta-wye connected, 8 percent impedance. On the 100 MVA, per unit impedance is most nearly a) 0.08 b) 0.32 c) 0.16 d) 0.24 115. A DC Voltmeter with coil resistance 150ohm is to be measeured with sensitivity of 10,000ohm/volt and the voltage Range 0-100V. What type and magnitude of resistance required? a) Parallel, 1M ohm b) Parallel, 1K ohm c) Series, 1M ohm d) Series, 1K ohm 116. The offset of a particular segment varies from a) 000H to FFFH b) 0000H to FFFFH c) 00H to FFH d) 00000H to FFFFFH https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 18/19 8/10/24, 1:28 PM SET 1 | Quizizz 117. The power gain of 30dB is equivalent to which amplification factor a) 0.001 b) 0.03333333333333333 c) 30 d) 1000 https://quizizz.com/print/quiz/66b73af211ca970816f3a1e3 19/19