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Refrigeration and Air Conditioning

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

Increases
Remains constant
None of these
Decreases

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

Halide torch
Sulphur sticks
All of these
Soap and water

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Refrigeration and Air Conditioning
An evaporator is also known as

Freezing coil
Cooling coil
All of these
Chilling coil

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Refrigeration and Air Conditioning
The undesirable property of a refrigerant is

Non-explosive
Non-flammable
Non-toxic
High boiling point

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Refrigeration and Air Conditioning
A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

Heat stored in the human body
Sum of (A) and (B)
Heat dissipated to the surroundings
Difference of (A) and (B)

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Refrigeration and Air Conditioning
The value of C.O.P in vapour compression cycle is usually

Always less than unity
Always more than unity
Equal to unity
Any one of the above

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MORE MCQ ON Refrigeration and Air Conditioning

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