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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The condition of refrigerant after passing through the condenser in a vapour compression system is

Superheated vapour
Saturated liquid
Dry saturated vapour
Wet vapour

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Refrigeration and Air Conditioning
A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

Sum of (A) and (B)
Heat dissipated to the surroundings
Heat stored in the human body
Difference of (A) and (B)

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Refrigeration and Air Conditioning
The capillary tube is not used in large capacity refrigeration systems because

It is made of copper
Required pressure drop cannot be achieved
Capacity control is not possible
Cost is too high

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Increases
Remains constant
Decreases
None of these

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Refrigeration and Air Conditioning
Highest temperature encountered in refrigeration cycle should be

Near critical temperature of refrigerant
At critical Temperature
Above critical temperature
Much below critical temperature

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Refrigeration and Air Conditioning
Air refrigeration operates on

Carnot cycle
Brayton cycle
Reversed Carnot cycle
Rankine’s cycle

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MORE MCQ ON Refrigeration and Air Conditioning

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