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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Air conditioning
Commercial refrigerators
Gas liquefaction
Domestic refrigerators

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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
After passing through the condenser
Before passing through the condenser

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Refrigeration and Air Conditioning
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by

Absorber, generator and liquid pump
Absorber and generator
Liquid pump
Generator

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Refrigeration and Air Conditioning
For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is

50
20
100
Zero

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Refrigeration and Air Conditioning
Nusselt number (NN) is given by

NN = hl/k
NN = V²/t.cp
NN = μ cp/k
NN = ρ V l /μ

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Refrigeration and Air Conditioning
Air refrigerator works on

Bell Coleman cycle
Both (A) and (B)
Reversed Carnot cycle
None of these

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MORE MCQ ON Refrigeration and Air Conditioning

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