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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Vapour compression refrigeration is somewhat like

None of these
Carnot cycle
Reversed Carnot cycle

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Refrigeration and Air Conditioning
For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is

20
50
100
Zero

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Refrigeration and Air Conditioning
The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity)

20°C DBT and 80% RH
25°C DBT and 40% RH
25°C DBT and 100% RH
22°C DBT and 60% RH

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Refrigeration and Air Conditioning
The pressure at the outlet of a refrigerant compressor is called

Discharge pressure
Critical pressure
Suction pressure
Back pressure

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

Soap and water
All of these
Sulphur sticks
Halide torch

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Refrigeration and Air Conditioning
Pick up the wrong statement. A refrigerant should have

Higher critical temperature
High boiling point
High latent heat of vaporisation
Tow specific heat of liquid

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MORE MCQ ON Refrigeration and Air Conditioning

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