1. Which one of the following terms is used for materials, fittings, appliances,
ID: 2085465 • Letter: 1
Question
1. Which one of the following terms is used for materials, fittings, appliances, fixtures, and other such items used as part of an electrical installation?
D. Equipment
2. A motor or a heater can be considered to be
D. utilization equipment.
3. Another name for a primary radial system is
4. When the voltage of a transmission line exceeds 345,000 V, what type of conductor is normally used?
D. ARCS cable
5. A large industrial customer would most likely be connected to which one of the following portions of an electrical system?
D. A primary distribution system
6. What is the maximum voltage that will normally be sent from the power company to a substation at an industrial plant?
D. 500,000 V
7. The type of raceway that would be used to supply current to cranes and hoists is the
D. wireway
8. The circuit that contains the conductors between the final overcurrent device and the load is called a
9. The method of monitoring the operation of transformers and circuit breakers from a distant location is called
10. You're going to convert from copper to aluminum wire. How much larger in diameter must the aluminum wire be to carry the same amount of current?
D. 2 times
11. The protective devices for motor overload currents are usually located in the
12. What type of device is used to convert the high voltage on a feeder line to a lower voltage that can be used on the plant floor?
D. Transformer
13. All of the conductors between the service equipment and the final branch circuit are called
D. feeders.
14. Power and lighting loads are usually on separate feeder circuits to prevent
D. lighting flicker.
15. A point on the wiring system at which current is taken to supply utilization equipment is called
D. a switchboard.
16. The aluminum type of conductor that's used on transmission lines between long spans is called
D. ACDR.
17. What is the ampacity of a # 6 AWG copper line?
18. Which of the following is a typical AWG wire size for a 20 A branch circuit?
19. A wire is marked OOOO. How is this wire size pronounced?
D. 4-ok
20. In a typical large industrial plant, the voltage on the radials to the penthouse will be
1. Which one of the following terms is used for materials, fittings, appliances, fixtures, and other such items used as part of an electrical installation?
A. Apparatus B. Loads C. DevicesD. Equipment
2. A motor or a heater can be considered to be
A. an outlet. B. a device. C. general apparatus.D. utilization equipment.
3. Another name for a primary radial system is
A. load-center system. B. complex radial system. C. split-radial system. D. dual-radial system.4. When the voltage of a transmission line exceeds 345,000 V, what type of conductor is normally used?
A. Solid dielectric cable B. Semiconducting cable C. Hard-drawn copperD. ARCS cable
5. A large industrial customer would most likely be connected to which one of the following portions of an electrical system?
A. The transmission system B. The subtransmission system C. A secondary distribution systemD. A primary distribution system
6. What is the maximum voltage that will normally be sent from the power company to a substation at an industrial plant?
A. 13,800 V B. 64,000 V C. 345,000 VD. 500,000 V
7. The type of raceway that would be used to supply current to cranes and hoists is the
A. cable bus. B. auxiliary gutter. C. busway.D. wireway
8. The circuit that contains the conductors between the final overcurrent device and the load is called a
A. branch circuit. B. feeder circuit. C. subtransmission circuit. D. transmission circuit.9. The method of monitoring the operation of transformers and circuit breakers from a distant location is called
A. sensing. B. remote control. C. recirculation. D. telemetering.10. You're going to convert from copper to aluminum wire. How much larger in diameter must the aluminum wire be to carry the same amount of current?
A. 2.42 times B. 3.18 times C. 1.28 timesD. 2 times
11. The protective devices for motor overload currents are usually located in the
A. motor. B. disconnect switch. C. power panel. D. controller cabinet.12. What type of device is used to convert the high voltage on a feeder line to a lower voltage that can be used on the plant floor?
A. Rectifier B. Circuit breaker C. SwitchboardD. Transformer
13. All of the conductors between the service equipment and the final branch circuit are called
A. outlets. B. raceways. C. conductors.D. feeders.
14. Power and lighting loads are usually on separate feeder circuits to prevent
A. excessive power factor. B. short bulb life. C. excessive current draw.D. lighting flicker.
15. A point on the wiring system at which current is taken to supply utilization equipment is called
A. a panel board. B. a device. C. an outlet.D. a switchboard.
16. The aluminum type of conductor that's used on transmission lines between long spans is called
A. ACSR. B. ASCR. C. ASRC.D. ACDR.
17. What is the ampacity of a # 6 AWG copper line?
A. 30 A B. 55 A C. 20 A D. 40 A18. Which of the following is a typical AWG wire size for a 20 A branch circuit?
A. # 6 B. # 8 C. # 12 D. # 1419. A wire is marked OOOO. How is this wire size pronounced?
A. 4-slash-zero B. 4-ohm C. 4-oughtD. 4-ok
20. In a typical large industrial plant, the voltage on the radials to the penthouse will be
A. 800 V. B. 60,000 V. C. 680 V. D. 12,000 V.Explanation / Answer
1.EQUIPMENT is the general term used for materials, fittings, appliances, fixtures, and other such items used as part of an electrical installation option D
2.A motor or a heater can be considered to be utilization equipment. option D
3. load-center system is another name for a primary radial system option A
4. ACSR conductor is used when the voltage of a transmission line exceeds 345,000 V option D
5.A large industrial customer would most likely be connected to a PRIMARY DISTRIBUTION SYSTEM .option D
6.Maximum voltage that will normally be sent from the power company to a substation at an industrial plant is
500,000 V. option D
7.The type of raceway that would be used to supply current to cranes and hoists is the WIREWAY. option d
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