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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The heat rejection factor (HRF) is given by

1 - C.O.P.
1 + (1/C.O.P)
1 - (1/C.O.P)
1 + C.O.P

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Decreases
Remains constant
None of these
Increases

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

Higher than
None of the listed here
Lower than
Same as

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Refrigeration and Air Conditioning
In vapour compression refrigeration system, refrigerant occurs as liquid between

Compressor and evaporator
Expansion valve and evaporator
Condenser and expansion valve
Compressor and condenser

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Refrigeration and Air Conditioning
The conditioned air supplied to the room must have the capacity to take up

Both room sensible heat and latent heat loads
Room sensible heat load only
None of the listed here
Room latent heat load only

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Refrigeration and Air Conditioning
The capacity of a domestic refrigerator is in the range of

3 to 5 TR
5 to 7 TR
0.1 to 0.3 TR
1 to 3 TR

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MORE MCQ ON Refrigeration and Air Conditioning

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