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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During heating and dehumidification process, dry bulb temperature

Decreases
Increases
Remains constant
None of these

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Refrigeration and Air Conditioning
The relative coefficient of performance is equal to

(Theoretical C.O.P.)/ (Actual C.O.P.)
(Actual C.O.P.) /(Theoretical C.O.P.)
(Actual C.O.P.) × (Theoretical C.O.P.)
None of these

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Refrigeration and Air Conditioning
A refrigerant compressor is used to

Raise the temperature of the refrigerant
Circulate the refrigerant through the refrigerating system
All of these
Raise the pressure of the refrigerant

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Refrigeration and Air Conditioning
Critical temperature is the temperature above which

Water will never evaporate
Water will evaporate
A gas will immediately liquefy
A gas will never liquefy

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Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

0.1 ton
40 tons
10 tons
5 tons

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Refrigeration and Air Conditioning
The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to

Red
Orange
Yellow
Bright green

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MORE MCQ ON Refrigeration and Air Conditioning

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