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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The COP of a domestic refrigerator

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

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Refrigeration and Air Conditioning
The wet bulb temperature during sensible heating of air

None of these
Increases
Remains constant
Decreases

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Refrigeration and Air Conditioning
Refrigeration in aeroplanes usually employs the following refrigerant

Freon-11
CO2
Air
Freon-22

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Refrigeration and Air Conditioning
Air refrigeration operates on

Carnot cycle
Reversed Carnot cycle
Rankine’s cycle
Brayton cycle

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

Back pressure
Discharge pressure
Critical pressure
Suction pressure

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Refrigeration and Air Conditioning
The refrigerant for a refrigerator should have

High latent heat
Low latent heat
High sensible heat
High total heat

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MORE MCQ ON Refrigeration and Air Conditioning

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