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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The specific humidity during heating and humidification process.

None of these
Decreases
Increases
Remains constant

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Refrigeration and Air Conditioning
The curved lines on a psychrometric chart indicates

Dry bulb temperature
Relative humidity
Dew point temperature
Wet bulb temperature

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Refrigeration and Air Conditioning
In larger industrial and commercial reciprocating compression systems, refrigerant widely used is

Ammonia
Carbon dioxide
R-12
Sulphur dioxide

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Refrigeration and Air Conditioning
During dehumidification process, _________ remains constant.

Dry bulb temperature
Relative humidity
Wet bulb temperature
Specific humidity

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Refrigeration and Air Conditioning
In a domestic vapour compression refrigerator, the refrigerant commonly used is

Ammonia
R-12
CO?
All of these

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Refrigeration and Air Conditioning
The sub-cooling in a refrigeration cycle

Increases C.O.P.
None of these
Decreases C.O.P.
Does not alter C.O.P.

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