Feeder busway sections are available in standard ____-ft lengths and in other lengths on special order.
A. 5
B. 10
C. 15
D. 20
Answer: B
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____________________ are used when an operator is controlling the motor directly.
Fill in the blank(s) with the appropriate word(s).
A Bluetooth device uses ________ for short range communication
A) ISM band radio waves B) Banana plugs C) Coaxial cables D) Infrared waves
Which of the following is true?
A) our current telecommunications network uses copper wire, fiber optic glass strands, and air waves to transport information B) several different medium types may often be used to carry a single piece of information across a network C) every medium has an information "carrying capacity" D) all of the above
The power wire for a piece of air-conditioning equipment should be sized using:
A) The locked rotor current of all the equipment motors added together. B) The sum of the compressor RLA and the FLA of all fan motors. C) The maximum overcurrent rating listed on the equipment data plate. D) The minimum circuit ampacity listed on the equipment data plate.