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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The specific humidity during humidification process

None of these
Increases
Remains constant
Decreases

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Compressor
Evaporator
Expansion valve
Condenser

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Refrigeration and Air Conditioning
Moisture should be removed from refrigerants to avoid

Corrosion of steel plates
All of these
Freezing at the expansion valve
Restriction to refrigerant flow

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Refrigeration and Air Conditioning
For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

Small
High
Equal
Anything

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Refrigeration and Air Conditioning
In vapour compression cycle the condition of refrigerant is superheated vapour

After passing through the expansion or throttle valve
Before passing through the condenser
After passing through the condenser
Before entering the expansion valve

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Refrigeration and Air Conditioning
In chemical dehumidification process,

Wet bulb temperature decreases
Dry bulb temperature increases
Dew point temperature decreases
All of these

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MORE MCQ ON Refrigeration and Air Conditioning

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