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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.

Same
None of these
Lower
Higher

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

Sulphur sticks
Soap and water
Halide torch
All of these

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Refrigeration and Air Conditioning
Allowable pressure on high pressure side or ammonia absorption system is of the order of

24 bars
Atmospheric pressure
56 bars
Slightly above atmospheric pressure

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Refrigeration and Air Conditioning
The human body feels comfortable when the heat stored in the body is

None of these
Positive
Negative
Zero

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Refrigeration and Air Conditioning
The superheating in a refrigeration cycle

None of these
Does not alter C.O.P.
Increases C.O.P.
Decreases C.O.P.

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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
Less
Same
More

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MORE MCQ ON Refrigeration and Air Conditioning

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