Which type of duct system typically has the air handler located below the conditioned space and the ductwork running around the perimeter of the space?

A. plenum-type duct system
B. extended-type duct system
C. reducing-extended-plenum duct system
D. perimeter duct system


Answer: D

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What happens in a two-stroke engine at the same time the piston is moving up on the compression stroke?

What will be an ideal response?

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Coolers use what are called ____________________, where a liquid refrigerant is evaporated in low pressure, the cooled gas is absorbed into a second liquid, and then the second liquid/absorbed refrigerant is reheated to evaporate the refrigerant and send it back to the cycle.

Fill in the blank(s) with the appropriate word(s).

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An example of stored energy in equipment or machinery is ___________________.

A. capacitor B. spinning wheel C. elevated weight D. a,b, and c

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The humidity sensor is used to adjust what components?

A) The cooling coil face and air-mixing dampers B) The heating coil face and bypass dampers C) The cooling coil face and bypass dampers D) The heating coil face and air-mixing dampers

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