How does an energy-recovery wheel improve system efficiency?

A) By moving some of the system refrigerant with a turbulator
B) By reducing the condenser head pressure
C) By transferring heat between the ventilation air and the exhaust air
D) By keeping the evaporator clean


C

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a. 6 b. 10 c. 14 d. 18

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

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News reporters do not like _____ news

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