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REFRIGERATION AND AIR CONDITIONING

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

At which refrigerant gas becomes liquid
Of freezing zone
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
Before entering the compressor
After passing through the expansion or throttle valve

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Refrigeration and Air Conditioning
During sensible cooling,

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

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

Decreases
Remains constant
None of the listed here
Increases

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Refrigeration and Air Conditioning
The COP of a domestic refrigerator

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

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