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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
Which of the following cycles uses air as the refrigerant?

Stirling
Bell Coleman
Carnot
Ericson

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Refrigeration and Air Conditioning
During cooling and dehumidification, dry bulb temperature

Increases
Remains constant
None of these
Decreases

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Refrigeration and Air Conditioning
In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the

Expansion valve to the evaporator
Evaporator to the thermostat
Condenser to the evaporator
Condenser to the expansion valve

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Refrigeration and Air Conditioning
A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be

5
0.2
6
1.2

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

Condenser tubes
Capillary tubes
Refrigerant cooling tubes
Evaporator tubes

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MORE MCQ ON Refrigeration and Air Conditioning

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