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REFRIGERATION AND AIR CONDITIONING

Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of freezing zone
At which refrigerant gas becomes liquid
Of cooling medium
Of evaporator

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is very wet vapour

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

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Refrigeration and Air Conditioning
During sensible cooling,

Wet bulb temperature increases
Partial pressure of vapour remains constant
Specific humidity increases
Relative humidity remains constant

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Refrigeration and Air Conditioning
During sensible cooling of air, specific humidity

Remains constant
None of the listed here
Decreases
Increases

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Refrigeration and Air Conditioning
The COP of a domestic refrigerator

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

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