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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In S.J. unit, one ton of refrigeration is equal to

210 kJ/ min
840 kJ/ min
420 kJ/ min
21 kJ/ min

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Refrigeration and Air Conditioning
Absorption system normally uses the following refrigerant

Freon-11
CO2
Freon-22
Ammonia

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Refrigeration and Air Conditioning
Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system

Weak solution to strong solution
Strong solution to weak solution
Strong solution to ammonia vapour
Ammonia vapours to weak solution

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Refrigeration and Air Conditioning
The minimum temperature to which water can be cooled in a cooling tower is

Dry bulb temperature of air
Dew point temperature of air
Wet bulb temperature of air
Ambient air temperature

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Refrigeration and Air Conditioning
Vapour compression refrigeration is somewhat like

Reversed Carnot cycle
Carnot cycle
None of these

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Receiver and evaporator
Evaporator and compressor
Condenser and receiver
Compressor and condenser

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MORE MCQ ON Refrigeration and Air Conditioning

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