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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The pressure at the outlet of a refrigerant compressor is called

Back pressure
Discharge pressure
Suction pressure
Critical pressure

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Refrigeration and Air Conditioning
Vapour compression refrigeration is somewhat like

Carnot cycle
None of these
Reversed Carnot cycle

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Refrigeration and Air Conditioning
During sensible heating of air _________ decreases.

Dry bulb temperature
Relative humidity
Wet bulb temperature
Specific humidity

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Refrigeration and Air Conditioning
Accumulators should have adequate volume to store refrigerant charge at least

0.1
0.25
0.5
0.75

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Refrigeration and Air Conditioning
In chemical dehumidification process,

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

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Refrigeration and Air Conditioning
If a gas is to be liquefied, its temperature must be

Increased to a value above its critical temperature
Equal to critical temperature
Reduced to a value below its critical temperature
None of these

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