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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The power per tonne of refrigeration is

None of these
3.5/C.O.P.
3.5 × C.O.P.
O.P/3.5

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

Condenser, absorber and separator (rectifier)
Condenser
Absorber
Evaporator

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

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

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Refrigeration and Air Conditioning
The specific humidity during heating and humidification process.

Remains constant
None of these
Increases
Decreases

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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
The leakage in a refrigeration system using ammonia is detected by

Sulphur sticks
Halide torch
Soap and water
All of these

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