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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

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

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Refrigeration and Air Conditioning
During sensible cooling,

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

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

Decreases
None of the listed here
Remains constant
Increases

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Refrigeration and Air Conditioning
The COP of a domestic refrigerator

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

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