Lineman Breakout Examination PDF

Name: ________________________________ Breakout A Form: 0 Version: 0 00000 001 Test questions are selected as follows: Step 1: 10 Step 2: 10 Step 3: 10 Step 4: 10 Step 5: 20 Step 6: 20 Step 7: 100...

Name: ________________________________ Breakout A Form: 0 Version: 0 00000 001 Test questions are selected as follows: Step 1: 10 Step 2: 10 Step 3: 10 Step 4: 10 Step 5: 20 Step 6: 20 Step 7: 100 Step 8: 20 Tuesday, May 16, 2017 12:26:19 PM 1  Breakout A 1. 31024 001 What is the international standard measurement for frequency? A. Watt B. Henry C. Hertz D. Farad Reference: Chapter Five pg.142 Guidebook for Lineman and Cableman 2. 31102 001 What class rubber glove is mandatory for working on energized 15KV? A. Class 0 B. Class 1 C. Class 2 D. Class 3 Reference is: MOSP 304.03C 3. 31013 001 T F To ensure that it does not move or slide, the top of a ladder prior to work should be tied off. Reference: Chapter One pg.42 Guidebook for Lineman and Cableman 4. 31121 001 T F All belts and safety straps are supplied by the company and must be a type approved by the safety department. Reference is: MOSP 303.02F 5. 31028 001 When climbing or descending a pole, you should support your weight by? A. Grasping the pole with both arms B. Keeping both knees slightly bent C. Leaning back into your safety strap D. Straightening your leg and locking your knee Reference is: L&CH (10) 44.4 Tuesday, May 16, 2017 12:26:19 PM 2  Breakout A 6. 30932 001 What are the three most common wood pole species used in the western United States? A. Deciduous, Western Red Cedar and Tara Genoa Mantas B. Southern Yellow Pine, Western Red Cedar, and Douglas Fir C. Western Red Cedar, Deciduous, and Tara Genoa Mantas D. Ponderosa Pine, Western Red Cedar, and Douglas Fir Reference is: L&CH (10) 7.1 7. 31046 001 When performing pole top rescue, what should be done if the victim is unconscious but breathing? A. Observe the victim and lower to the ground B. Give two rescue breaths and a cardiac thump C. Shake victim and check for pulse D. Begin chest compressions Reference is: L&CH (10) 49.3 8. 31076 001 T F Fire extinguishers shall be located to be easily seen and readily accessible. Reference is: MOSP 115.02C 9. 30952 019 What rule of thumb will be used to determine the depth of a hole for poles 40 to 85 feet in length? A. 10% + 2’ B. 10% + 1’ C. 2% + 5’ D. 20% - 5’ Reference is: L&CH (10) 11.3 10. 30908 002 T F An incident with a high potential for harm should be investigated to prevent a fatality or injury in the future. Reference: Chapter One pg.9 Guidebook for Lineman and Cableman Tuesday, May 16, 2017 12:26:19 PM 3  Breakout A 11. 31147 001 If 25 feet of wire weighs 18 LBS, how much does 40 feet of the same wire weigh? (DO NOT ROUND) A. 28.8 lbs B. 38.6 lbs C. 41.3 lbs D. 55.5 lbs Reference is: : DMB Chapter 10.5 12. 31171 001 What is the measure of resistance in a circuit? A. Ohms B. Current C. Farads D. Hertz Reference: Guidebook for Linemen and Cableman Chapter Two pg.69 13. 31233 001 T F Correct operation of protective devices is dependent on grounding installations. Reference is: L&CH (10) 26.1 14. 31250 001 T F Accidentally energizing a grounded feeder line causes protective relays to initiate the tripping or opening of circuit breakers on the source end of the line. Reference is: L&CH (10) 27.1 15. 31254 001 What is proper method for testing a high voltage line to ensure that it is de-energized? A.Test the line with a high voltage tester or voltmeter B.Perform an amp check with a multi-meter C.Ground the line to see if it is energized D.Fuzz the line with a tool Reference is: L&CH (10) 27.2 Tuesday, May 16, 2017 12:26:19 PM 4  Breakout A 16. 31300 001 In a single phase transformer the primary and secondary coils are mounted on _______________ core. A. a common iron B. a separate iron C. a common insulated D. a separate insulated Reference: Guidebook for Linemen and Cableman Chapter Fourteen pg.518 17. 31278 001 When setting poles, what is done to prevent contact between the pole and the conductors? A. Insulated cover up is put on the conductors B. Insulated cover up is put on the pole C. Rubber gloves are worn D. Only A and B Reference: Guidebook for Linemen and Cableman Chapter Eight pg.243 18. 31174 001 In a circuit containing three 2 ohm resistors in series, the voltage drop across R1 = 20 volts, R2 = 20 volts and R3 = 20 volts. What is the total circuit voltage? A. 20 volts B. 60 volts C. 120 volts D. Current must be known to determine total voltage Reference is: HDSTE page 119 19. 31276 001 When you make a circular motion with your forefinger pointing downward and the forearm vertical, what are you telling the equipment operator? A. That he is a loser B. Lower the winch line C. Reverse the spin of the auger D. Rotate the auger in dig Reference is: MOSP 306.07, UGLY’S page 150 Tuesday, May 16, 2017 12:26:19 PM 5  Breakout A 20. 31237 001 How deep should a ground rod be driven to be effective? A. The ground rod should be driven at least eight inches below the level of the pole butt or underground facilities to ensure proper grounding B. The ground rod should be driven deep enough to penetrate the perpetually moist earth 8-10 feet in most areas C. The ground rod should be driven two inches below the ground line D. The ground rod is driven down until it starts to bend or mushroom Reference is: L&CH (10) 26.4 21. 31842 001 Given a primary metering installation on a 13,200 / 7,620 volt system with the primary WYE connected to the voltage transformer and a secondary voltage of 120 volts, what is the turn’s ratio of this voltage transformer? A. 63.5/1 B. 69.27/1 C. 110/1 D. Turns ratio cannot be determined from the information given Reference is: L&CH (10) 15.5, HDSTE page 716, Ugly’s 47, DPS 18 22. 31734 001 In a circuit with three lamps in series, what will happen if one lamps filament burns out and becomes open? A. The other lamps will remain lit but brighter until they burn out B. The other lamps will remain lit but more dimly C. The other lamps will remain lit no brighter or dimmer D. The other lamps will not be lit Reference is: L&CH (10) 1.3 23. 31884 001 T F Substation disconnect switches are designed to interrupt charging current and full load current with no modifications or specific designs. Reference is: L&CH (10) 3.11 24. 31857 001 T F Auto boosters can only boost or only buck depending on how they are wired. Reference is: DTM page 66,67, DPS page 19, Special Equipment School Tuesday, May 16, 2017 12:26:19 PM 6  Breakout A 25. 31790 001 What is the term for a transformer that contains protective devices such as lightning arrestors, primary fuses and secondary breakers? A. URD transformer B. Auto transformer C. CSP transformer D. Power transformer Reference is: L&CH (10) 36.12 26. 31740 001 How many normally closed contactors, are needed to energize two feed wires for a 240-volt street light circuit? A. One B. Two C. Three D. Four Reference is: Street Light Participant Guide page 15 27. 31759 001 System voltage is 13,200 four-wire Y system and you install a Delta / Delta power bank. Which leg(s) do you ground? A. The primary wild leg and the secondary wild leg B. One primary leg only C. One secondary leg only D. One primary and one secondary leg Reference is: DTFLP 5-9, DTM page 28,29,70, Transformer School 28. 31903 001 Why do transmission lines operate at higher voltages? A. Higher voltages increase the power carrying capacity of the line B. Higher voltages decrease the amount of time it takes electricity to travel the long distances associated with transmission lines C. Higher voltages are required to make large power transformers work properly D. All of the above Reference is: L&CH (10) 4.9 Tuesday, May 16, 2017 12:26:19 PM 7  Breakout A 29. 31878 001 Why are batteries used to provide power to operate switches, relays, and other equipment in substations? A. Batteries produce a clean constant supply of 120V AC power for efficient switch and equipment operation B. It is a cheaper, although less reliable source of power C. So power will be available for operations to recover from an emergency D. Batteries are easy to use at remote installations where power is not required Reference is: L&CH (10) 3.22 30. 31912 001 What should be done with metal structures and fences that are constructed under extra high voltage transmission lines? A. Metal structures are prohibited on transmission line right of ways B. Metal portions should be effectively grounded to bleed off static charges C. Metal structures and fences should be removed from the transmission right of way because such structures cost the company money by unintentionally stealing power D. Metal portions should be isolated from ground potential, magnetic induction by the line, and step potential Reference is: L&CH (10) 4.22 31. 32100 001 Employee’s working in an excavation may not be closer than __________ feet to the excavating equipment while it is in operation. A. 10 feet B. 12 feet C. 15 feet D. 20 feet Reference is: MOSP 437.01 D 32. 31968 001 Why are duct runs between manholes installed at a grade that slopes gently toward one or both manholes? A. It allows water seepage to drain out of the duct B. It facilitates cable installation; cables are easier to pull downhill C. Ducts are installed at a depth of 4-5 foot and manholes are installed deeper, the slope in unintentional and meaningless D. It limits animals from entering the duct runs Reference is: L&CH (10) 29.2 Tuesday, May 16, 2017 12:26:19 PM 8  Breakout A 33. 31951 001 What type of surge arrestor is commonly found on a primary distribution system? A. Intermediate class horn gap surge arrester B. Station class metal oxide surge arrester C. Secondary class valve type surge arrester D. Distribution class valve type surge arrester Reference is: L&CH (10) 16.6 34. 32016 001 What are vaults? A. A silly little hop that is done on a piece of equipment called a horse B. Large manholes used for transformer and network protector installation C. A secured enclosure for storing precious electrical equipment D. A large manhole with horizontal or walk in access Reference is: L&CH (10) 31.11 35. 32112 001 T F The size of the conductor has no affect the level of fault current at a work location when working on a hot secondary circuit should a short circuit occur. Reference: FGPW Pg. 212 36. 32061 001 T F Rubber blankets are field inspected by rolling the blanket from corner to corner inside and outside looking for damage prior to each use. Reference: FGPW Pg. 213 37. 31997 001 T F Multi-conductor cables used for three-phase power circuits consist of three single conductor cables with a common sheath or jacket. Reference is: L&CH (10) 29.12 38. 32091 001 Is a Vaultman or Cableman considered a qualified person? A. No B. Yes C. Only on underground lines and equipment D. Only when there is another qualified person present Reference is: MOSP 427.00A Tuesday, May 16, 2017 12:26:19 PM 9  Breakout A 39. 31961 001 Identify the following conductor shape? A. Annular B. Compact round C. Concentric round D. Compact sector Reference is: L&CH (10) 29.14, fig 29.20 40. 15268 002 What is a precaution the cable splicer should take prior to beginning a cable splice? A. Must maintain tools in good condition and keep them clean and dry B. Must maintain the ambient temperature of the manhole within the splicing temperature range provided by the manufacture C. Maintain clean dry hands, have drawings, and materials on hand D. Only A and C Reference is: L&CH (10) 33.2 41. 32130 001 What is the term for the coordination of over current protective devices, which remove temporary faults quickly and limit permanent faults to the smallest section of the system possible? A. Catastrophic system failure protection system B. Cascading protective system C. Overlapping, redundant protective scheme D. Protective over current coordination or fuse coordination Reference is: L&CH (10) 9.13 Tuesday, May 16, 2017 12:26:19 PM 10  Breakout A 42. 32243 001 Identify the following hot line tool by the proper nomenclature. A. Clamp stick B. Rotary prong C. Insulator controller D. Padded fork Reference is: Hastings F-5 43. 32175 001 What is installed in bundled conductor transmission lines to prevent the sub conductors of the same phase from hitting each other and causing damage to the conductors? A. Vibration dampers B. Jumper insulators C. Conductor spacers D. Corona shields Reference is: L&CH (10) 22.24 44. 32309 001 T F If a ground is mistakenly placed on an energized line, you should quickly remove it to prevent a prolonged outage. Reference is: GL & C Chapter 13 pg. 500 45. 32304 001 T F A well-grounded electrical system provides a better return path for the fault current to flow back to the source to complete the circuit for the fault current Reference is: GfL&C2 ch.12/p468 46. 32374 001 How is vibration fatigue of conductors prevented? A. The sag tension is increased to resist vibration fatigue B. Conductors with anti-rotation characteristics are used in vibration prone areas C. Conductors are reinforced at the point of stress and vibration is reduced to negligible amplitudes with damping devices D. All of the above Tuesday, May 16, 2017 12:26:19 PM 11  Breakout A Reference is: L&CH (10) 22.16 47. 32238 001 Identify the following hot line tool by the proper nomenclature. A. Adjustable claw B. Reachy grabby gadget C. Insulator fork D. Wire tong guide Reference is: Hastings F-5 48. 32267 001 T F An approved chain hoist must be used to sag energized distribution conductors. Reference is: MOSP 303.01K 49. 32245 001 Aerial devices and fiberglass ladders to be used for bare-hand work should be tested each time they are used in the field. How is this done? A. A conductivity test of the boom or ladder is conducted with a multi-meter prior to the equipment being raised to the work area B. A tool known as an insulation tester is passed over the entire length of the device or ladder prior to use, the device will alarm if a bad reading is recorded C. The aerial device or ladder is given a good three-minute visual inspection and a magnet is pulled from one end to the other feeling for a slight tug that indicates a problem D. The device or ladder is raised to contact the energized conductor and a reading of leakage current to ground is made from a meter on the ground Reference is: L&CH (10) 25.6 Tuesday, May 16, 2017 12:26:19 PM 12  Breakout A 50. 32178 001 When sagging conductor using the timing method, how far from the support should the rope be placed over the conductor? A. About 3 feet B. About 10 feet C. Mid span D. The length of the span in feet squared, divided by the height of the span in feet cubed, times the temperature in degrees Reference is: L&CH (10) 22.9 51. 32145 001 What type of fuse link is equipped with pull rings to facilitate replacement with hot sticks? A. A cartridge fuse B. A surge link C. An open primary cutout fuse link D. A die cast tin element Reference is: L&CH (10) 17.8 fig 17.11 52. 32166 001 What type of tie should be used on bare copper conductors? A. Aluminum tie, insulated B. Copper tie, bare, soft annealed C. Aluminum tie, insulated, preformed D. Copper tie, bare hard annealed Reference is: L&CH (10) 22.20, HSS 53. 32151 001 What type of fuse consists of a control module and an interrupting module? A. A current limiting fuse B. An electronic fuse C. A solid material power fuse D. A liquid fuse Reference is: L&CH (10) 17.19, fig 17.27 54. 32277 001 What must you use on a web hoist if going from a structure to an energized conductor? A. Insulated link B. Rope blocks C. Web sling D. None of the above Reference is: GL&C Pg. 679 Tuesday, May 16, 2017 12:26:19 PM 13  Breakout A 55. 32170 001 Which of the following statements is true concerning hand ties? A. Hand ties should be made with the same type and size of wire as the conductor that is being tied in B. Pliers should be used to tighten the ends of the ties to eliminate air gaps that might cause localized heating of the conductor C. Use only annealed tie wire of a size that can be readily handled and provide adequate strength D. All of the above Reference is: L&CH (10) 22.23, HSS 56. 32264 001 How often are the insulated aerial booms and baskets, used in live line maintenance, required to be thoroughly cleaned and high voltage tested? A. Monthly B. Every three months C. Every six months D. Every twelve months Reference is: MOSP 313.01 A 57. 32232 001 Identify the following hot line tool by the proper nomenclature. A. Roller link stick B. Insulated link stick C. Spiral link stick D. Holding stick Reference is: Hastings C-5 58. 32155 001 Where should a dynamometer be placed? A. Between the insulator and the shoe B. Between the pulling line and the conductor C. Between the pole and the insulator D. Between the hoist and the conductor grip Reference is: L&CH (10) 22.11 Tuesday, May 16, 2017 12:26:19 PM 14  Breakout A 59. 32289 001 When installing a cluster bracket for bonding a wooden pole to a grounded conductor, where must the bracket be placed? A. Just above where the worker is standing B. It doesn’t matter as long as it is attached to the pole C. Below the feet of the worker D. None of the above Reference is: GL&C Pg. 494 60. 32269 001 T F Wood live line tools must be clean, dry and tested before use. Reference is: MOSP 305.01 D 61. 32411 001 T F A transformer with a partially shorted coil could result in high secondary voltage. Reference is: GL&C Pg. 452 62. 32420 001 T F Voltage surges from lightning travel in only one direction on a conductor, dependent on the polarity of the lightning bolt. Reference is: GL&C Pg. 457 63. 32409 001 T F Switching on an electrical system causes transient over voltages. Reference is: GL&C Pg. 452 64. 32400 001 Where would you find the highest available fault current? A. Near the substation B. Towards the end of the feeder C. At the halfway point of a circuit D. None of the above Reference is: GL&C Pg. 441 Figure 12-8 Tuesday, May 16, 2017 12:26:19 PM 15  Breakout A 65. 32510 001 When inspecting distribution guy wires, the inspector should observe, record, and recommend the following repairs of guy related issues. A. Loose guy guards B. Rusty hardware C. Slack, broken, damaged, or improperly installed guys D. The guy wire is hand tied Reference: L&CH(12) ch.42/p.855 66. 32366 002 T F A normally open cable in a padmount transformer can be closed as long as it is of the same phase. Reference is: Maps, Symbols, and Switching class pg. 9 67. 32534 001 There are generally three (3) types of charges a customer can be asked to pay. What are they? A. Energy charge, capacity (demand) charge, and customer charge B. Generation charge, construction charge, and maintenance charge C. Service charge, metering charge, and convenience charge D. None of the above Reference: GfL&C2 ch.20/p771 68. 32426 001 T F A surge arrestor is a device that allows surge current to go to ground and dissipate and then stops the current flow before it becomes a ground fault. Reference is: GL&C Pg. 460 & 461 69. 32415 001 Some characteristics of lightning are? A. Lightning can have a charge of up to 100,000,000 V B. Lightning establishes an electrical path through which the follow through current flow can be from 2,000 to 200,000 A C. Lightning generates heat, which causes an explosive expansion of air and is heard as thunder D. All of the above Reference is: GL&C Pg. 455 70. 32516 001 T F Once completed and in service, a riser pole for an underground distribution circuit does not need to be inspected or maintained. Tuesday, May 16, 2017 12:26:19 PM 16  Breakout A Reference: L&CH(12) ch.42/p.861 71. 32427 001 Where do arresters need to be placed so they are the most effective? A. As close as possible to the system neutral B. As close as possible to the pole ground C. As close as possible to the equipment they are protecting D. None of the above Reference is: GL&C Pg. 464 figure 12-23 72. 32518 001 T F Never pound with a hammer, or visually inspect a wooden pole before climbing. Reference: L&CH(12) ch.42/p.869 73. 32492 001 Underground circuits and cables have their own unique problems, such as: A. Moisture and corrosion B. Cable “dig ins” and insulation failure C. Wind and snowstorms D. Both A and B Reference: L&CH(12) ch.34/ p.709 74. 32323 001 Identify the following Auto Cad symbol. A. Booster / regulator bank B. Recloser C. SCADA recloser D. Recloser bank Reference is: Maps, Symbols, and Switching book, sect. 5 - Map Legend Tuesday, May 16, 2017 12:26:19 PM 17  Breakout A 75. 32527 001 The source for Tingle Voltage, a DC voltage is found between the neutral and earth. This is likely caused by ________________. A. static electricity that builds up on your body B. leftover voltage from the last lightning storm C. capacitance of the earth D. communication circuits or cathodic protection on a nearby pipeline Reference: GfL&C2 ch.15/p621 76. 32380 002 Which of the following is a protective zone of the transmission protective scheme? A. Generator zone B. Transformer zone C. Bus zone D. Line zone E. All of the above Reference is: 432 also figure 12-2 77. 32340 001 What type of fuse is the bayonet fuse, which is used, in single-phase underground transformers? A. Primary B. Secondary C. Both primary and secondary D. None of the above Reference is: Transformer School, L&CH (10) 15.19 78. 32503 001 Low voltage can cause ___________. A. increased heating time for heating type appliances B. electric motors to operate at decreased efficiency C. incandescent bulbs to give off less light D. All of the above Reference: L&CH(12) ch.40/p.815 79. 32475 001 What type of arc suppression that is used in substation circuit breakers is the most common? A. SF6 gas B. Vacuum C. Oil D. None of the above Tuesday, May 16, 2017 12:26:19 PM 18  Breakout A Reference is: GL&C Pg. 120 80. 32419 001 What is the potential gradient on the ground, per foot, of a lightning discharge within the clouds that never reaches the earth? A. Up to 15 KV per foot B. Up to.5 KV per foot C. Up to 3 KV per foot D. None of the above Reference is: GL&C Pg. 456 81. 32647 001 If a transformer is to be parallel with an existing transformer, the secondary circuits must be properly ____________with a voltmeter to be sure they can be connected without causing a short circuit. A. phased in B. hi- potted C. megged out D. ohm tested Reference: L&CH12 ch.36/p771 82. 32622 001 Subtractive polarity is standard for all single-phase transformers 200 kVA and below having high-voltage ratings above__________. A. 7500 volts B. 8000 volts C. 8500 volts D. 9000 volts Reference: L&CH12 ch.15/p378 83. 32631 001 Transformers constructed to reduce the ___________down to the customer's utilization voltage are commonly referred to as distribution transformers. A. secondary voltage B. secondary current C. primary voltage D. primary current Reference: L&CH12 ch.36/p761 Tuesday, May 16, 2017 12:26:19 PM 19  Breakout A 84. 32710 001 Electrical current is measured with a(n) _________. A. voltmeter B. continuity light C. ammeter D. ohmmeter EReference: GfL&C2 ch.2/p74 85. 32778 001 A socket-connected meter (S-base) is plugged into a meter base that has been pre-wired to match the ________ of the meter to be installed. A. size B. front C. lugs D. style Reference: GfL&C2 ch.20/p778 86. 32652 001 Many disconnect switches are three-phase, ______________ switches with operating handles that extend to ground level. A. cutout B. interrupting load C. isolating D. gang-operated Reference: GfL&C2 ch.11/p389 87. 32795 001 The energized installation of a self-contained meter on services more than 240V should be ________. A. taught B. encouraged C. common D. avoided Reference: GfL&C2 ch.20/p793 88. 32721 001 ____________ in a conductor causes electrical energy to be converted into heat. A. Voltage B. Power C. Resistance D. Amperage Reference: GfL&C2 ch.2/p78 Tuesday, May 16, 2017 12:26:19 PM 20  Breakout A 89. 32619 001 T F When current flow is in the opposite direction in the primary and secondary terminals, the polarity of the transformers is additive. Reference: L&CH12 ch.15/p377 90. 32769 001 A _____________ means that the utility must generate, transmit, transform, and distribute extra power to supply the inductive load. A. high power factor B. low power factor C. peak power factor D. load power factor Reference: GfL&C2 ch.20/p773 91. 32605 001 The transformer tank is grounded and __________ to the Primary and secondary common neutral ground wire. A. fused B. isolated C. insulated D. connected Reference: L&CH12 ch.15/p363 92. 32593 001 The function of a distribution ___________ is to reduce primary voltage to the voltage level required by the customer. A. sectionalizer B. transformer C. recloser D. regulator Reference: L&CH12 ch.2/p70 93. 32568 001 Wind-propelled turbines are constructed with _________ rotor blades and a horizontal-axis turbine generator. A. replaceable B. propeller C. vertical D. retractable Reference: L&CH12 ch.2/p55 Tuesday, May 16, 2017 12:26:19 PM 21  Breakout A 94. 32792 001 A voltage check with a zero reading between ________ and the neutral will confirm that the service is not fed from another source. A. L1 & L2 B. L2 & S1 C. L1 & S2 D. L1 & S1 Reference: GfL&C2 ch.20/p790 95. 32644 001 T F The lineman or groundmen should stand directly under a transformer while mounting it to help guide it onto the pole. Reference: L&CH12 ch.36/p767 96. 32549 001 Branch circuits may be overhead or underground. They are often referred to as _________________. A. primaries B. feeders C. breaks D. runs Reference: L&CH12 ch.2/p45 97. 32692 001 ___________ is a current, or flow of electrons. A. Ionization B. Electricity C. Impedance D. Resistance Reference: GfL&C2 ch.2/p69 98. 32654 001 T F Distribution automation gives downstream switchgear the ability to communicate with each other. During a fault on a line, distribution automation switchgear will communicate with each other and will close a feeder and tie switch tp feed back upstream and create another open point to isolate the faulted section. Reference: GfL&C2 ch.12/p452 Tuesday, May 16, 2017 12:26:19 PM 22  Breakout A 99. 32691 001 The electrons of good conducting material, such as _______________, are dislodged fairly easily. A. porcelain & glass B. copper or aluminum C. copper & porcelain D. brass & stainless steel Reference: GfL&C2 ch.2/p69 100. 32653 001 An ammeter check can be made to confirm that no ________ is on a circuit before opening a nonload-break disconnect switch. A. ground B. resistance C. load D. voltage Reference: GfL&C2 ch.11/p400 101. 32733 001 T F The amount of resistance offered by a conductor depends on the conductor's size and length. Reference: GfL&C2 ch.10/p326 102. 32757 001 One megawatt (MW) = A. 10kW B. 100kW C. 1000kW D. 10000kW Reference: GfL&C2 ch.2/p87 103. 32735 001 Overhead conductors are generally bare and insulated from other object by porcelain glass or _____________ insulators. A. polymer B. wood C. leather D. steel Reference: GfL&C2 ch.2/p82 Tuesday, May 16, 2017 12:26:20 PM 23  Breakout A 104. 32777 001 On an A-base meter, a parallel connection would put ____________ across the low-resistance current coil and result in an explosive dead short. A. farads B. voltage C. Vars D. current Reference: GfL&C2 ch.20/p778 105. 32627 001 T F Linemen have been injured by the explosion and oil fire that was a result of closing a fused cutout on a distribution transformer, which has an internal fault. Reference: L&CH12 ch.15/p389 106. 32621 001 T F Subtractive polarity is standard for all single-phase distribution transformers above 200 kVA irrespective of voltage rating. Reference: L&CH12 ch.15/p378 107. 32551 001 T F A generating station is a plant in which the energy of coal, oil, natural gas, water, or atom is changed into electrical energy. Reference: L&CH12 ch.2/p45 108. 32662 001 T F A load-interrupter switch is not capable of dropping load and quenching an arc. Reference: GfL&C2 ch.11/p387 109. 32718 001 When a circuit is faulted,or short-circuited, all the __________ which the electrical system is able to supply to the faulted location goes to that fault. A. current B. impedance C. voltage D. wattage Reference: GfL&C2 ch.2/p77 Tuesday, May 16, 2017 12:26:20 PM 24  Breakout A 110. 32753 001 The heat from the current flow will cause damage that can be much more serious than the ______________ might suggest. A. internal injuries B. external injuries Reference: GfL&C2 ch.2/p86 111. 32713 001 T F A utility can control voltage, but it cannot control the load current because load current is based on customer demand. Reference: GfL&C2 ch.2/p76 112. 32799 001 Peak demand and/or warm temperatures can cause a long span of transmission to sag an additional ____________. A. 25-30 feet B. 10-20 feet C. 20-25 feet D. 1-5 feet Reference: GfL&C2 ch.21/p805 113. 32599 001 Electric distribution companies have an obligation to provide quality ________ to their customers. A. Hertz B. power C. current D. meters Reference: L&CH12 ch.2/p82 114. 32748 001 Before current will flow through a human body, it must enter the body at one contact point and leave the body at another contact point that is at a _________________. A. the same potential B. a different potential Reference: GfL&C2 ch.2/p84 115. 32700 001 T F In the Line Trade, amperage checks are frequently made because an improper voltage is the first indication that something is wrong. Reference: GfL&C2 ch.2/p70 Tuesday, May 16, 2017 12:26:20 PM 25  Breakout A 116. 32704 001 Powerline workers are exposed to high voltages, safe contact with high voltage circuits can only be made when the resistance between the circuit and a person is high enough to prevent ______________. A. power flow B. current flow C. watt usage D. voltage flow Reference: GfL&C2 ch.2/p72 117. 32596 001 T F Three single-phase pole-type transformers cannot be cluster-mounted to provide three-phase power. Reference: L&CH12 ch.2/p72 118. 32696 001 Pressure is needed to overcome resistance, which impedes current flow in a circuit. Resistance or impedance is measured in ______________. A. watts B. ohms C. volts D. amps Reference: GfL&C2 ch.2/p69 119. 32607 001 Corrosion problems and the high cost of installation have minimized the use of _____________ transformers. A. submersible B. pad-mount C. vault-type D. pole-mount Reference: L&CH12 ch.15/p363 120. 32540 001 T F A flashlight in good working order shall always be available; if no flashlight is available, matches or a cigarette lighter are acceptable. Reference: MoSP ch.332.01/sec.E&F Tuesday, May 16, 2017 12:26:20 PM 26  Breakout A 121. 32693 001 The current that leaves the source must make a complete "circle" and return to the ____________. A. grounding bank B. neutral C. destination D. source Reference: GfL&C2 ch.2/p74 122. 32761 001 For a residential customer, the minimum charge saves a utility the extra expense of installing ______________________ to track actual demand. A. polyphase meters B. transformer-rated meters C. demand meters D. single-phase meters Reference: GfL&C2 ch.20/p772 123. 32577 001 T F Power transformers can change the transmission system load from one level to another and the transmission load to sub transmission levels. Reference: L&CH12 ch.2/p60 124. 32649 001 T F Ionization of air means that the air has become charged with atoms and that the air is changed from being an insulator to being a conductor. Reference: FGfPW ch.3/p41 125. 32572 001 T F In some areas of large cities, it is not practical or permissible to build overhead transmission or distribution circuits. They must be installed underground. Reference: L&CH12 ch.2/p57 126. 32719 001 T F Fault current due to a short circuit can be extremely high. The resultant flash and heat generated by the fault current can be very dangerous to a worker in the vicinity. Reference: GfL&C2 ch.2/p78 Tuesday, May 16, 2017 12:26:20 PM 27  Breakout A 127. 32797 001 As with all transformers, the ____________ of an instrument transformer must be known and marked on the transformers. A. coil designation B. pH level of insulation C. polarity D. air temperature range Reference: GfL&C2 ch.20/p798 128. 32724 001 T F When an ohmmeter is hooked to two different wires and the meter reads "zero," then there is no resistance between the two wires and they must be completely isolated or insulated from each other. Reference: GfL&C2 ch.2/p78 129. 32791 001 If the meter installation is protected on the source side by the customer's main switch, ________ the switch before installing or removing the meter. A. open B. remove C. bypass D. close Reference: GfL&C2 ch.20/p789 130. 32768 001 Industrial or commercial customers frequently have large ______________ that the utility must supply. A. reactive loads B. inductive loads C. capacitive factor D. load factor Reference: GfL&C2 ch.20/p773 131. 32576 001 Transmission substations located near generating stations provide a means to change the _________ to the appropriate magnitude to transmit the power the required distance. A. resistance B. wattage C. voltage D. amperage Reference: L&CH12 ch.2/p58 Tuesday, May 16, 2017 12:26:20 PM 28  Breakout A 132. 32624 001 The windings of distribution transformers can be manufactured with various taps to broaden the range of ______________ suitable for a given installation. A. primary voltage B. primary amperage C. secondary amperage D. secondary voltage Reference: L&CH12 ch.15/p379 133. 32744 001 Water will greatly ___________ the resistance of any dirty surface. A. increase B. reduce Reference: GfL&C2 ch.2/p83 134. 32687 001 T F When a switch with a handle is operated by someone standing on the ground, an insulator failure can cause the frame of the switch and structure to become energized. Reference: GfL&C2 ch.4/p132 135. 32589 001 Lightning arresters and fuses are installed on distribution circuits to minimize _______________. A. conductor size B. customer outages C. circulating current D. fuse coordination Reference: L&CH12 ch.2/p67 136. 32542 001 T F Crawl spaces under the house and in attics shall be entered with care, because of the hazards that bumps cuts and falls. Reference: MoSP ch.332.01/sec.L 137. 32756 001 One horsepower (HP) = A. 249W B. 497W C. 746W D. 995W Tuesday, May 16, 2017 12:26:20 PM 29  Breakout A Reference: GfL&C2 ch.2/p87 138. 32788 001 An uncontrollable electrical flash can occur when a socket-based meter is removed ____________. A. with no voltage present B. with no load C. under load D. with voltage present Reference: GfL&C2 ch.20/p788 139. 32595 001 T F Commercial and light industrial customers normally require a three- phase service. Reference: L&CH12 ch.2/p72 140. 32550 001 T F Power transformers in a transmission substation raise the voltage from the generation voltage to transmission levels. Reference: L&CH12 ch.2/p45 141. 32542 002 T F Thoroughly secure the ladder to an unmovable object, or have it held by another employee. Reference: MoSP ch.333.03/sec.A3 142. 32606 001 The key component distinguishing a conventional transformer and a CSP is the lack of __________________ in the conventional model. A. a tank ground B. a tap changer C. lighting arresters D. internal fusing Reference: L&CH12 ch.15/p363 143. 32736 001 The longer the path through which the current has to flow and the higher the resistance of that path, the ________ the current. A. higher B. lower Tuesday, May 16, 2017 12:26:20 PM 30  Breakout A Reference: GfL&C2 ch.2/p82 144. 32646 001 T F The lineman can stand on the transformer or other grounded devices to work on the energized circuits. Reference: L&CH12 ch.36/p771 145. 32690 001 T F The positive charge of the nucleus and the negative charge of the electrons keep the electrons in orbit and keep the electrical charge of the atom neutral. Reference: GfL&C2 ch.2/p69 146. 32752 001 Catastrophic electrical burns are immediately apparent by visibly blackened skin where _________________________________ the body. A. internally only between contact and exit points B. across the entire body C. contact was made and where current leaves D. externally only between contact and exit points Reference: GfL&C2 ch.2/p85 147. 32716 001 When trying to restore power, especially during peak load periods, a fuse or breaker will sometimes trip out even though the cause of the original outage has been fixed. This is known as _____________. A. Ground Trip Block B. Cold Load Pickup C. Hot Line Tag D. non-reclosing Reference: GfL&C2 ch.2/p77 148. 32715 001 Utility conservation programs try to _________________ by having reduced rate structures during off-peak hours. A. shed peak loads to other circuits B. reduce peak loads C. stabilize peak loads D. increase peak loads Reference: GfL&C2 ch.2/p77 Tuesday, May 16, 2017 12:26:20 PM 31  Breakout A 149. 32545 001 The bulk of the electric energy produced in the US is generated using what method? A. Fossil- Fuel B. Hydro C. Nuclear D. Wind & Solar Reference: L&CH12 ch.2/p43 150. 32701 001 Most voltmeters are rated up to ______ volts. A. 250 B. 500 C. 750 D. 1000 Reference: GfL&C2 ch.2/p70 151. 32656 001 Circuit breakers including _____________ and metal-clad breakers can interrupt fault current and and lock out on a permanent fault. A. cutouts B. gang switches C. distribution reclosers D. switchgear Reference: GfL&C2 ch.11/p402 152. 32580 001 The electric facilities connecting the transmission system to the customer's equipment are called the________________. A. sub transmission system B. primary system C. distribution system D. secondary system Reference: L&CH12 ch.2/p60 153. 32712 001 T F Voltage is supplied by the customer, and load current is drawn by the power utility. Reference: GfL&C2 ch.2/p76 Tuesday, May 16, 2017 12:26:20 PM 32  Breakout A 154. 32668 001 Switchgear in a(n) _______________ system is operated in confined areas where any arc could easily spill over to grounded cabinets or other phases. A. two phase B. three phase C. overhead distribution D. underground distribution Reference: GfL&C2 ch.11/p417 155. 32552 001 Central generating stations have come into existence because they are ___________ and uneconomical for every user of power to generate electricity. A. environmentally unsound B. slow C. costly D. inefficient Reference: L&CH12 ch.2/p45 156. 32702 001 T F A Potential Tester is used to determine if a circuit is energized or isolated. Reference: GfL&C2 ch.2/p70 157. 32770 001 The customer who uses the power 24 hours a day has a _______ load factor and is billed at a lower rate. A. lower B. peak C. higher D. interruptible Reference: GfL&C2 ch.2/p773 158. 32574 001 Power transformers in substations change the ____________ levels to permit interconnecting of the generators and circuits forming the electrical system. A. resistance B. voltage C. current D. polarity Reference: L&CH12 ch2/p58 Tuesday, May 16, 2017 12:26:20 PM 33  Breakout A 159. 32588 001 Circuit breakers in substations serving as a source to distribution circuits are actuated by protective relays that recognize __________________ on a circuit. A. damaged poles B. defective hardware C. short circuits and grounds D. broken strands Reference: L&CH12 ch.2/p67 160. 32764 001 The maximum rate of consumption by a customer during a billing period is known as _____________. A. power factor B. demand factor C. load factor D. peak demand Reference: GfL&C2 ch.20/p772 161. 32573 001 Intermediate-voltage lines or circuits that transmit AC from transmission substations to distribution substations are called ____________ circuits. A. distribution B. sub transmission C. substation D. transmission Reference: L&CH12 ch.2/p58 162. 32645 001 When working on a distribution transformer, the secondary should be completed last to eliminate the danger of _________. A. parallel paths to ground B. circulating current C. static charge D. back feed Reference: L&CH12 ch.36/p771 163. 32758 001 One gigawatt (GW) = A. 10MW B. 100MW C. 1000MW D. 10000MW Tuesday, May 16, 2017 12:26:20 PM 34  Breakout A Reference: GfL&C2 ch.2/p87 164. 32604 001 A transformer is a device constructed of windings used to transfer alternating- current electric power by electromagnetic ____________. A. capacitance B. resistance C. induction D. reactance Reference: L&CH12 ch.15/p363 165. 32747 001 T F A human body does have enough resistance to prevent fatal current flow through it when contact is made with primary voltage. Reference: GfL&C2 ch.2/p84 166. 32683 001 Occupational safety regulations do not allow an unqualified person to come within _________ of a distribution circuit. A. 2.5 feet B. 5 feet C. 7.5 feet D. 10 feet Reference: GfL&C2 ch.21/p813 167. 32663 001 When a cutout is opened with a switch stick, the cutout is operated like a regular isolating disconnect switch that has ________________ capability. A. limited arc-extinguishing B. no arc-extinguishing C. full arc-extinguishing D. no need for arc-extinguishing Reference: GfL&C2 ch.11/p410 168. 32730 001 T F When AC current flows into a coil, there is additional opposition to current flow caused by inductive reactance. Reference: GfL&C2 ch.2/p81 Tuesday, May 16, 2017 12:26:20 PM 35  Breakout A 169. 32565 001 Some sources of renewable energy are ________________. A. natural gas and nuclear B. coal and diesel C. steam and gasoline D. solar heat, wind, waves and tides Reference: L&CH12 ch.2/p54 170. 32612 001 The capacity of a distribution transformer is determined by the amount of current it can carry continuously at a rated voltage without exceeding the design___________. A. temperature B. impedance C. voltages D. resistance Reference: L&CH12 ch.15/p371 171. 32703 001 T F A common voltage, such as 120 volts, is a high enough potential to drive a fatal current through a person's body. Reference: GfL&C2 ch.2/p71 172. 32765 001 Residential consumers have very similar usage patterns, so that a _______________can cover the fixed costs without much error. A. minimum charge B. location charge C. interruptible power charge D. supply voltage charge Reference: GfL&C2 ch.20/p773 173. 32633 001 T F If additional houses are to be served from one transformer, the secondaries can be extended along the rear lot line. Reference: L&CH12 ch.36/p763 Tuesday, May 16, 2017 12:26:20 PM 36  Breakout A 174. 32708 001 When electrical current meets resistance, ________ is produced. A. oxidation B. corona C. heat D. a fault Reference: GfL&C2 ch.2/p74 175. 32546 001 Most electric energy is generated at a voltage in a range of ____________ volts. A. 2400 – 4160 B. 7200 – 12470 C. 13200 – 24000 D. 34500 – 161000 Reference: L&CH12 ch.2/p43 176. 32590 001 T F Lightning arresters are designed to bypass electrical surges on the circuits, protecting insulators and equipment from overvoltages. Reference: L&CH12 ch.2/p67 177. 32628 001 T F An internal protective link fuse, commonly installed in self-protected transformers, has an unlimited interrupting rating and can be depended on to prevent catastrophic failure of the transformer. Reference: L&CH12 ch.15/p389 178. 32592 001 The overhead primary circuits normally connect to the distribution feeders circuits through ____________________. A. fused cutouts B. transformer banks C. capacitor banks D. oil circuit breakers Reference: L&CH12 ch.2/p69 Tuesday, May 16, 2017 12:26:20 PM 37  Breakout A 179. 32762 001 Energy consumption is the ___________________ used by a customer. A. Volts x Ohms B. Amperes x Farads C. Amperes x Ohms D. Volts x Amperes Reference: GfL&C2 ch.20/p772 180. 32755 001 One kilowatt (kW) = A. 10W B. 100W C. 1000W D. 10000W Reference: GfL&C2 ch.2/p87 181. 15276 001 The minimum rating for a power transformer is considered to be _________ kVA. A. 500 B. 2500 C. 750 D. 3750 Reference: Transformer Class PPT 182. 15281 001 The transformer that supplies 120 volts in a 120/240-volt delta secondary is known as the _________ transformer. A. Lighter B. Main C. Primary D. Power Reference: Transformer Class 183. 15278 001 T F Transformer polarity is indicated on the name plate. Reference: Transformer Class Tuesday, May 16, 2017 12:26:20 PM 38  Breakout A 184. 15272 001 What must be done prior to changing the tap settings on a distribution transformer? A. Install smaller fuses B. De-energize the transformer C. Ensure that the secondary circuit is open D. Reduce the secondary load to 0 Reference: Transformer Class PPT slide # 59 185. 15279 001 Which of the following is a wye secondary voltage? A. 120/240 1Ø B. 120/240 3 Ø C. 120/208 3 Ø D. 240/480 3 Ø Reference: Transformer Class 186. 15283 001 What does the marking “F2” on a sectionalizer mean? A. The sectionalizer can be used for switching B. The sectionalizer can be hooked up to 2 phases C. The sectionalizer is set to count twice D. The sectionalizer has failed twice Reference: Transformer Class 187. 15274 001 What is the phase to ground voltage in a 4160 four wire system? A. 2400 B. 7200 C. 7620 D. 4160 Reference: Transformer Class, Delmar’s pg 685 Tuesday, May 16, 2017 12:26:20 PM 39  Breakout A 188. 15287 001 With a fault occurring as indicated in the diagram below, which device should be the first to isolate the fault? A. Sectionalizer B. Recloser C. Fuse D. Circuit Breaker Reference: Transformer/Special Equipment Class Distribution Protective Scheme 189. 15288 001 Identify the function of a capacitor A. Works in conjunction with a reclosure B. Reduce voltage C. Protects substation and sub-transformer from overloads D. Added to system to improve power factor 190. 15270 001 When paralleling single phase transformers for greater capacity, what conditions must be met? A. Voltage ratings are identical B. Tap settings are identical C. Percent impedance of one is between 92.5% and 107.5% of the other D. Frequency ratings are identical E. All the above Reference: GE Distribution Transformer Manual pg. 11 191. 15285 001 Identify the function of a reclosure A. Will open and close when a fault is sensed B. Added to system to improve power factor C. Protects substation and sub-transformer from overloads D. Time-over current is the type used in the Company system Tuesday, May 16, 2017 12:26:20 PM 40  Breakout A 192. 15275 001 A 200KVA transformer with a primary voltage rating of 7620v would have _______ polarity. A. Subtractive B. Positive C. Negative D. Additive Reference: Transformer Class, the Box Handout 193. 15277 001 A transformer name plate has the following ratings: 2400/4160 120/240,. What is the voltage required by the primary winding? A. 120 B. 240 C. 2400 D. 4160 Reference: Transformer Class 194. 15282 001 The basic operational principle of transformers is the __________ between primary and secondary windings. A. Interconnection B. Size difference C. Mutual induction D. Electron transfer Reference: Transformer Class, Delmar’s pg. 717 195. 15284 001 Which of the following is true concerning “polarity?” A. Identifies the positive and negative bushings B. Will identify if the transformer is a step up or step down C. A comparison of current direction in the primary vs. secondary windings at a given time D. An indication that a bushing is considered to be the north or south pole Reference: Transformer Class LCHB pg. 15.14 Tuesday, May 16, 2017 12:26:20 PM 41  Breakout A 196. 15268 001 230 KV is a common voltage for __________. A. Distribution Systems B. Industrial Customers Systems C. Transmission Systems D. Generation Systems Reference: Transformer Class, LCHB 4.9 197. 15273 001 T F The polarity of each transformer used in a three phase bank must be the same. Reference: Transformer School 198. 15286 001 What is the distribution protective scheme designed to protect? A. Linemen working on the system B. The general public C. The system itself D. All of the above Reference: Transformer/Special Equipment Class Distribution Protective Scheme 199. 15271 001 A transformer has 20:1 ratio with a secondary voltage of 120v, what is the primary voltage? A. 240 B. 2400 C. 4160 D. 7620 Reference: Basic Math/Electricity, Transformer Class 200. 15269 001 If the regulatory tap setting on a single phase transformer is changed from tap C (100%) to tap D (97.5 %), what happens to the secondary voltage? A. It will remain the same and available power will decrease B. It will increase C. It will decrease D. It will remain the same and available power increases Tuesday, May 16, 2017 12:26:20 PM 42  Breakout A Reference: Transformer Class You have completed the test! Tuesday, May 16, 2017 12:26:20 PM 43