Refrigeration and Air Conditioning
The coefficient of performance of Electrolux refrigerator is the ratio of

Heat absorbed by the evaporator to the heat supplied by the gas burner
Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner
Heat supplied by the gas burner to the heat absorbed by the evaporator
Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator

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Refrigeration and Air Conditioning
The bypass factor for a cooling coil

Remains unchanged with increase in velocity of air passing through it
Decreases with increase in velocity of air passing through it
Increases 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

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