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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

More than
None of these
Equal to
Less than

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Refrigeration and Air Conditioning
Which of the following refrigerant has the lowest freezing point?

Ammonia
R-12
R-11
R-22

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Refrigeration and Air Conditioning
Which of the following refrigerant has the highest freezing point.

Carbon dioxide
Sulphur dioxide
Ammonia
R-12

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

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

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

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

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Refrigeration and Air Conditioning
The COP of a domestic refrigerator

Is equal to 1
Is less than 1
Depends upon the make
Is more than 1

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MORE MCQ ON Refrigeration and Air Conditioning

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