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Refrigeration and Air Conditioning

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
Most of the domestic refrigerators work on the following refrigeration system

Vapour compression
Electrolux refrigerator
Carnot cycle
Vapour absorption

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Refrigeration and Air Conditioning
The mass of water vapour present in __________ is called absolute humidity.

1 m3 of dry air
1 kg of dry air
1 m3 of water
1 kg of wet air

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Refrigeration and Air Conditioning
The relative coefficient of performance is

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

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Refrigeration and Air Conditioning
Ammonia is

Toxic and non-inflammable
Non-toxic
Highly toxic and inflammable
Non-inflammable

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Refrigeration and Air Conditioning
A bootstrap air cooling system has

Four heat exchangers
One heat exchanger
Three heat exchangers
Two heat exchangers

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MORE MCQ ON Refrigeration and Air Conditioning

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