Article 647 covers the installation and wiring of sensitive electronic equipment that is connected to a separately derived system operating at ____ volts line-to-line and 60 volts to ground.
A. 100
B. 112
C. 120
D. 180
Answer: C
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What component in an alternator rotates?
A. rotor B. stator C. rectifier D. heat sink
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The components of a commercial fan coil unit include:
A) A fan and electric strip heaters. B) A fan, a water coil, a filter, a fresh air supply, and a control system. C) A fan, compressor and condenser. D) A compressor, condenser, metering device, and evaporator.
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If the amount (volume) of air passing through the evaporator is increased, the temperature of the supply air will ____________________.
Fill in the blank(s) with the appropriate word(s).
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The overall height of the tooth is the ______________________________.
Fill in the blank(s) with the appropriate word(s).
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