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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The coefficient of performance is the ratio of the refrigerant effect to the

Heat of compression
All of these
Enthalpy increase in compressor
Work done by compressor

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

Specific humidity
Relative humidity
Wet bulb temperature
Dry bulb temperature

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

None of the listed here
Decreases
Remains constant
Increases

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Refrigeration and Air Conditioning
A refrigerant with the highest critical pressure is

Ammonia
R-12
R-11
R-22

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Refrigeration and Air Conditioning
Air conditioning means

Heating
All of these
Dehumidifying
Cooling

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Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

5 tons
40 tons
0.1 ton
10 tons

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