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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In a vapour compression cycle, the refrigerant immediately after expansion valve is

Sub-cooled liquid
Saturated liquid
Liquid
Wet vapour

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Refrigeration and Air Conditioning
The wet bulb depression indicates _________ humidity of the air.

Absolute
Specific
None of these
Relative

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Refrigeration and Air Conditioning
The lowest temperature during the cycle in a vapour compression system occurs after

Compression
Condensation
Expansion
Evaporation

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Refrigeration and Air Conditioning
Presence of moisture in a refrigerant affects the working of

Condenser
Evaporator
Expansion valve
Compressor

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Refrigeration and Air Conditioning
In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

1.5
0.3
0.67
0.6

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is very wet vapour

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

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