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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Where does the lowest temperature occur in a vapour compression cycle?

Evaporator
Condenser
Compressor
Expansion valve

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

Higher than
Same as
Lower than
None of the listed here

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Refrigeration and Air Conditioning
Carbon dioxide is

Non-flammable
Colourless
Odourless
All of the listed here

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is saturated liquid

After passing through the expansion throttle valve
After passing through the condenser
Before entering the expansion valve
Before passing through the condenser

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Refrigeration and Air Conditioning
The freezing point of R-12 is

-135.8°C
-86.6°C
-107.7°C
-95.2°C

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Refrigeration and Air Conditioning
The unit of thermal diffusivity is

m/hK
m²/h
m/h
m²/hK

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MORE MCQ ON Refrigeration and Air Conditioning

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