Refrigeration and Air Conditioning
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Increase
Remain unaffected
May increase or decrease depending on the type of refrigerant used
Decrease

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Refrigeration and Air Conditioning
The bypass factor for a cooling coil

Decreases with increase in velocity of air passing through it
Remains unchanged with increase in velocity of air passing through it
May increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering
Increases with increase in velocity of air passing through it

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