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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
A vapour absorption refrigeration system

Cools below 0°C
Requires little power consumption
Gives noisy operation
Gives quiet operation

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Refrigeration and Air Conditioning
The bank of tubes at the back of domestic refrigerator is

Refrigerant cooling tubes
Evaporator tubes
Capillary tubes
Condenser tubes

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

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

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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
After passing through the condenser
Before entering the compressor
Before passing through the condenser

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Refrigeration and Air Conditioning
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is

Equal
Smaller
Bigger
Smaller/bigger depending on capacity

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

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

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MORE MCQ ON Refrigeration and Air Conditioning

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