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Refrigeration and Air Conditioning

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

5 tons
0.1 ton
40 tons
10 tons

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Refrigeration and Air Conditioning
Critical temperature is the temperature above which

Water will evaporate
A gas will never liquefy
A gas will immediately liquefy
Water will never evaporate

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

None of these
Same as
Higher than
Lower than

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Refrigeration and Air Conditioning
The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.

Less
More
None of these
Same

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Refrigeration and Air Conditioning
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

Any value
High, of the order of 25°
Zero
As low as possible (3 to 11°C)

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

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

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MORE MCQ ON Refrigeration and Air Conditioning

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