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Refrigeration and Air Conditioning

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
In a vapour compression system, the condition of refrigerant is dry saturated vapour

Before entering the compressor
After leaving the compressor
Before entering the condenser
After leaving the condenser

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Refrigeration and Air Conditioning
An evaporator is also known as

All of these
Freezing coil
Cooling coil
Chilling coil

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Refrigeration and Air Conditioning
While designing the refrigeration system of an aircraft, the prime consideration is that the

Mass of the refrigeration equipment is low
System has high C.O.P.
Power per TR is low
Mass of refrigerant circulated in the system is low

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Wet bulb temperature
Dry bulb temperature
Specific humidity
Dew point temperature

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Refrigeration and Air Conditioning
If a gas is to be liquefied, its temperature must be

None of these
Increased to a value above its critical temperature
Reduced to a value below its critical temperature
Equal to critical temperature

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