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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

None of the listed here
Three fluids
Two fluids
Single fluid

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Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

Less than
None of these
Equal to
More than

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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

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

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Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Commercial refrigerators
Air conditioning
Domestic refrigerators
Gas liquefaction

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Refrigeration and Air Conditioning
The material of pipe lines for a system using Freon as a refrigerant should be

Brass
Steel
Copper
Aluminium

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Refrigeration and Air Conditioning
While designing the refrigeration system of an aircraft, the prime consideration is that the

Mass of refrigerant circulated in the system is low
System has high C.O.P.
Mass of the refrigeration equipment is low
Power per TR is low

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