During the defrost cycle of a forced draft low temperature evaporator, the evaporator fan would ____.

A. remain on to speed up the defrost
B. turn off
C. cycle with the condenser
D. cycle with the compressor


Answer: B

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Using the pseudo-random number generator equation given by


What will be an ideal response?

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Which type of bearings do most residential fan motors use?

A. ball B. reed C. sleeve D. nylon

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Why is low water a dangerous condition for a boiler?

A) A boiler that is low on water will have higher-than-normal internal mineral deposits. B) A boiler that is low on water can cause excessive energy bills. C) A boiler that is low on water can create steam pressure and explode as a result. D) A boiler that is low on water can cause the burners to overheat.

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In the accompanying figure, what happens when the pressure switch contact closes


What will be an ideal response?

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