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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Degree of saturation
Dry bulb depression
Wet bulb depression
Dew point depression

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Refrigeration and Air Conditioning
The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.

Higher
Same
Lower
None of these

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Refrigeration and Air Conditioning
The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called

Wet bulb temperature
None of these
Dry bulb temperature
Dew point temperature

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Refrigeration and Air Conditioning
Presence of moisture in a refrigerant affects the working of

Expansion valve
Evaporator
Compressor
Condenser

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Refrigeration and Air Conditioning
The superheating in a refrigeration cycle

Does not alter C.O.P.
None of these
Increases C.O.P.
Decreases C.O.P.

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Refrigeration and Air Conditioning
The value of C.O.P in vapour compression cycle is usually

Always less than unity
Always more than unity
Any one of the above
Equal to unity

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MORE MCQ ON Refrigeration and Air Conditioning

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