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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

Freezing coil
Chilling coil
All of these
Cooling 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

Reversed Carnot cycle
None of these
Carnot cycle

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

increases
remains same
decreases
depends on other factors

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