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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The COP of a domestic refrigerator

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

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Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Expansion valve
Evaporator
Compressor
Condenser

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Refrigeration and Air Conditioning
During dehumidification process, _________ remains constant.

Dry bulb temperature
Wet bulb temperature
Relative humidity
Specific humidity

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Refrigeration and Air Conditioning
Wet bulb temperature is the temperature of air recorded by a thermometer, when

None of these
It is not affected by the moisture present in the air
The moisture present in it begins to condense
Its bulb is surrounded by a wet cloth exposed to the air

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Refrigeration and Air Conditioning
In a refrigeration system, heat absorbed in comparison to heat rejected is

More
More for small capacity and less for high capacity
Less
Same

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Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Condenser
Absorber
Condenser, absorber and separator (rectifier)
Evaporator

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MORE MCQ ON Refrigeration and Air Conditioning

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