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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Most of the domestic refrigerators work on the following refrigeration system

Electrolux refrigerator
Carnot cycle
Vapour compression
Vapour absorption

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is very wet vapour

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

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Refrigeration and Air Conditioning
In vapour compression cycle the condition of refrigerant is superheated vapour

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

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

50 kcal/ min
80 kcal/ hr
50 kcal/ hr
80 kcal/ min

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Ammonia and water
Ammonia and lithium bromide
Water and lithium bromide
Water and water

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Refrigeration and Air Conditioning
In chemical dehumidification process,

Dry bulb temperature increases
All of these
Dew point temperature decreases
Wet bulb temperature decreases

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MORE MCQ ON Refrigeration and Air Conditioning

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