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REFRIGERATION AND AIR CONDITIONING

Refrigeration and Air Conditioning
The optimum effective temperature for human comfort is

Lower in winter than in summer
Higher in winter than in summer
Not dependent on season
Same in winter and summer

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Refrigeration and Air Conditioning
An evaporator is also known as

Cooling coil
Freezing coil
All of these
Chilling coil

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Compressor
Expansion valve
Condenser
Evaporator

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Refrigeration and Air Conditioning
Vapour compression refrigeration is somewhat like

Carnot cycle
None of these
Reversed Carnot cycle

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Refrigeration and Air Conditioning
At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

depends on other factors
decreases
increases
remains same

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