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The bypass factor for a cooling coil

A. Increases with increase in velocity of air passing through it

B. Decreases with increase in velocity of air passing through it

C. Remains unchanged with increase in velocity of air passing through it

D. May increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering

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  18. The bank of tubes at the back of domestic refrigerator is
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  21. Ammonia is
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