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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The higher temperature in vapour compression cycle occurs at

Evaporator
Compressor discharge
Expansion valve
Receiver

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Refrigeration and Air Conditioning
In case of sensible cooling of air, the coil efficiency is given by

1/ B.P.F.
P.F. - 1
1 + B.P.F.
1 - B.P.F.

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Increases
None of these
Decreases
Remains constant

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

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

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Refrigeration and Air Conditioning
One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice

In 1 hour
In 12 hours
In 24 hours
In 1 minute

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Refrigeration and Air Conditioning
Bell Coleman cycle is a

Reversed Otto cycle
Reversed Rankine cycle
Reversed Carnot cycle
Reversed Joule cycle

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MORE MCQ ON Refrigeration and Air Conditioning

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