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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The Freon group of refrigerants are

Inorganic refrigerants
Zoetrope refrigerants
Hydrocarbon refrigerants
Halocarbon refrigerants

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Refrigeration and Air Conditioning
A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

High side float valve
Low side float valve
Thermostatic expansion valve
Automatic expansion valve

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Refrigeration and Air Conditioning
The central air conditioning system has ___________ overall efficiency as compared to individual systems.

None of these
Lower
Higher
Same

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Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Wet bulb depression
Dry bulb depression
Dew point depression
Degree of saturation

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Refrigeration and Air Conditioning
A refrigerant compressor is used to

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

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Refrigeration and Air Conditioning
The leakage in a refrigeration system using Freon is detected by

Sulphur sticks
Soap and water
All of these
Halide torch

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MORE MCQ ON Refrigeration and Air Conditioning

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