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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Air conditioning
Commercial refrigerators
Domestic refrigerators
Gas liquefaction

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Refrigeration and Air Conditioning
The relative coefficient of performance is

Actual COP × theoretical COP
Actual COP/theoretical COP
None of these
Theoretical COP/actual COP

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Refrigeration and Air Conditioning
The power per tonne of refrigeration is

O.P/3.5
3.5 × C.O.P.
3.5/C.O.P.
None of these

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Water and lithium bromide
Ammonia and lithium bromide
Water and water
Ammonia and water

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Refrigeration and Air Conditioning
Allowable pressure on high pressure side or ammonia absorption system is of the order of

56 bars
24 bars
Atmospheric pressure
Slightly above atmospheric pressure

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant before passing through the condenser is

Superheated vapour
Wet vapour
Saturated liquid
Dry saturated vapour

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MORE MCQ ON Refrigeration and Air Conditioning

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