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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
One tonne of refrigeration (1TR) means that the heat removing capacity is

210 kJ/min
21 kJ/min
420 kJ/min
620 kJ/min

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Refrigeration and Air Conditioning
Pressure of water vapour is given by

μ/[1 - (1 - μ) (Ps/Pb)]
0.622 Pv/ (Pb - Pv)
None of these
[Pv (Pb - Pd)]/ [Pd (Pb - Pv)]

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Refrigeration and Air Conditioning
The air cooling system mostly used in transport type aircrafts is

Simple air cooling system
All of the listed here
Simple evaporative air cooling system
Bootstrap air cooling system

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Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Compressor
Expansion valve
Condenser
Evaporator

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Refrigeration and Air Conditioning
During heating and dehumidification process, dry bulb temperature

Remains constant
Increases
None of these
Decreases

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Refrigeration and Air Conditioning
The superheating in a refrigeration cycle

Does not alter C.O.P.
None of these
Increases C.O.P.
Decreases C.O.P.

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MORE MCQ ON Refrigeration and Air Conditioning

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