A substance that offers very little resistance to current flow is known as a:
A) Conductors. B) Resistor. C) Capacitor. D) Insulators.
A
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The amount of heat energy required to raise 1 lb of water by 1 degree Fahrenheit is known as one (1):
A. kilopascal B. Btu C. joule D. horsepower
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When the air handler is located in the basement, a __________ is needed to move the condensate up to an overhead line..
A. condensate line B. condensate pump C. waste line D. waste pump
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A contractor purchases motors listed at $6,800 and receives successive discounts of 20% and 10%. What is the net cost?
Fill in the blank(s) with the appropriate word(s).
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Speed control for a wound rotor motor is obtained by placing ____________________ in the secondary or rotor circuit.
Fill in the blank(s) with the appropriate word(s).
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