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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

5 tons
10 tons
0.1 ton
40 tons

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

Same as
Lower than
Higher than
None of the listed here

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Refrigeration and Air Conditioning
A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be

43834
43833
4
3

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Refrigeration and Air Conditioning
The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

None of the listed here
Sub-cooling or under-cooling
Normal cooling
Super-cooling

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

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

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Refrigeration and Air Conditioning
The coefficient of performance is the ratio of the refrigerant effect to the

Enthalpy increase in compressor
All of these
Heat of compression
Work done by compressor

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MORE MCQ ON Refrigeration and Air Conditioning

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