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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

Single fluid
Three fluids
None of the listed here
Two fluids

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Refrigeration and Air Conditioning
The desirable property of a refrigerant is

All of these
Low boiling point
High critical temperature
High latent heat of vaporisation

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

None of these
Same
More
Less

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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°
As low as possible (3 to 11°C)
Zero

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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
Generator
Absorber, generator and liquid pump
Liquid pump

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Refrigeration and Air Conditioning
During adiabatic saturation process on unsaturated air ___ remains constant.

Wet bulb temperature
Dry bulb temperature
Relative humidity
Dew point temperature

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MORE MCQ ON Refrigeration and Air Conditioning

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