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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant before passing through the condenser is

Wet vapour
Dry saturated vapour
Superheated vapour
Saturated liquid

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

Sulphur sticks
All of these
Halide torch
Soap and water

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Inorganic refrigerants
Halocarbon refrigerants
Zoetrope refrigerants
Hydrocarbon refrigerants

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Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Condenser
Absorber
Evaporator
Condenser, absorber and separator (rectifier)

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

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

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Refrigeration and Air Conditioning
The boiling point of ammonia is

-77.7°C
-30°C
-10.5°C
-33.3°C

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MORE MCQ ON Refrigeration and Air Conditioning

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