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

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Refrigeration and Air Conditioning
In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

Wet vapour region
Sub-cooled liquid region
Superheated vapour region
None of the listed here

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Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Expansion valve
Condenser
Compressor
Evaporator

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Refrigeration and Air Conditioning
The boiling point of ________ is 10.5°C.

R-12
Ammonia
Carbon dioxide
Sulphur dioxide

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Refrigeration and Air Conditioning
In Electrolux refrigerator

Ammonia is absorbed in hydrogen
Hydrogen evaporates in ammonia
Ammonia evaporates in hydrogen
Ammonia is absorbed in water

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Refrigeration and Air Conditioning
The dehumidification process, on the psychrometric chart, is shown by

Vertical line
Curved line
Horizontal line
Inclined line

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MORE MCQ ON Refrigeration and Air Conditioning

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