Refrigeration and Air Conditioning
The formation of frost on cooling coils in a refrigerator

Improves C.O.P. of the system
Increases power consumption
Reduces power consumption
Increases heat transfer

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Refrigeration and Air Conditioning
In a saturated air-water vapour mixture, the

Dry bulb temperature is higher than dew point temperature
Dry bulb, wet bulb and dew point temperature are same
Dew point temperature is lower than wet bulb temperature
Dry bulb temperature is higher than wet bulb temperature

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