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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The leakage in a refrigeration system using ammonia is detected by

Soap and water
Sulphur sticks
Halide torch
All of these

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Refrigeration and Air Conditioning
During cooling and dehumidification, dry bulb temperature

Increases
Decreases
Remains constant
None of these

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Refrigeration and Air Conditioning
Highest temperature encountered in refrigeration cycle should be

Much below critical temperature
Above critical temperature
Near critical temperature of refrigerant
At critical Temperature

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Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

10 tons
0.1 ton
40 tons
5 tons

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Refrigeration and Air Conditioning
The pressure at the inlet of a refrigerant compressor is called

Suction pressure
Discharge pressure
Critical pressure
Back pressure

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Refrigeration and Air Conditioning
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by

Absorber and generator
Liquid pump
Absorber, generator and liquid pump
Generator

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MORE MCQ ON Refrigeration and Air Conditioning

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