Closed-loop, or ____________________, systems reuse the same heat transfer fluid, which is circulated in buried plastic pipes within the earth or within a lake or pond.
Fill in the blank(s) with the appropriate word(s).
earth coupled
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An engine ____________________ or ____________________ may be misdiagnosed as a transmission problem.
Fill in the blank(s) with the appropriate word(s).
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The fan and limit switch provides an operational control to energize the fan, and a safety circuit to de-energize the gas valve if the temperature gets too high
Indicate whether the statement is true or false
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Fiber-optic cable transmits light instead of _______________
A. electronic signals B. high speed C. telephone transmissions D. computer transmissions
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Three-speed consequent pole motors can be wound to produce constant horsepower, constant torque, or ____________________.
Fill in the blank(s) with the appropriate word(s).
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