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Refrigeration and Air Conditioning

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

All of these
Soap and water
Sulphur sticks
Halide torch

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Refrigeration and Air Conditioning
The capacity of a domestic refrigerator is in the range of

5 to 7 TR
3 to 5 TR
0.1 to 0.3 TR
1 to 3 TR

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Refrigeration and Air Conditioning
Absorption system normally uses the following refrigerant

Freon-22
Ammonia
Freon-11
CO2

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

Back pressure
Critical pressure
Discharge pressure
Suction pressure

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Refrigeration and Air Conditioning
For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

Anything
Small
High
Equal

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Refrigeration and Air Conditioning
Vapour compression refrigeration is somewhat like

Carnot cycle
Reversed Carnot cycle
None of these

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MORE MCQ ON Refrigeration and Air Conditioning

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