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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Compressor
Evaporator
Condenser
Expansion valve

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Refrigeration and Air Conditioning
The humidity ratio or specific humidity is the mass of water vapour present in

1 kg of dry air
1 kg of wet air
1 m3 of dry air
1 m3 of wet air

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Refrigeration and Air Conditioning
In a psychrometric chart, specific humidity (moisture content) lines are

Curved lines
Vertical and uniformly spaced
Horizontal and uniformly spaced
Horizontal and non-uniformly spaced

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Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Gas liquefaction
Commercial refrigerators
Air conditioning
Domestic refrigerators

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Refrigeration and Air Conditioning
During heating and humidification, the final relative humidity of air

Can be lower or higher than that of the entering air
None of the listed here
Is higher than that of the entering air
Is lower than that of the entering air

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Refrigeration and Air Conditioning
The central air conditioning system has ___________ overall efficiency as compared to individual systems.

Same
Higher
None of these
Lower

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MORE MCQ ON Refrigeration and Air Conditioning

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