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31. in a typical large industrial plant, the voltage on the radials to the penthouse will...

31. in a typical large industrial plant, the voltage on the radials to the penthouse will be
A. 12,000 V.
B. 800 V.
C. 680 V.
D. 60,000 V

32. A point on the wiring system at which current is taken to supply utilization equipment is called
A. a device.
B. a switchboard.
C. an outlet.
D. a panel board.

33. A large industrial customer would most likely be connected to which one of the following portions of an electrical system?
A. A secondary distribution system
B. The transmission system
C. A primary distribution system
D. The subtransmission system

34. The type of raceway that would be used to supply current to cranes and hoists is the
A. busway.
B. wireway.
C. auxiliary gutter.
D. cable bus.

35. Power and lighting loads are usually on separate feeder circuits to prevent
A. excessive current draw.
B. short bulb life.
C. excessive power factor.
D. lighting flicker.
engineering   Electrical-Engineering   
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