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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Absorber
Evaporator
Condenser
Condenser, absorber and separator (rectifier)

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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
Ambient air temperature
Wet bulb temperature of air

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

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

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Refrigeration and Air Conditioning
In vapour compression cycle the condition off refrigerant is dry saturated vapour

After passing through the expansion or throttle valve
Before entering the compressor
After passing through the condenser
Before passing through the condenser

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Refrigeration and Air Conditioning
The capacity of a domestic refrigerator is in the range of

3 to 5 TR
5 to 7 TR
0.1 to 0.3 TR
1 to 3 TR

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Refrigeration and Air Conditioning
The process, generally used in summer air conditioning to cool and dehumidify the air, is called

Dehumidification
Humidification
Cooling and dehumidification
Heating and humidification

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MORE MCQ ON Refrigeration and Air Conditioning

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