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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The freezing point of R-12 is

-86.6°C
-107.7°C
-95.2°C
-135.8°C

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

Horizontal line
Inclined line
Vertical line
Curved line

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Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Air conditioning
Commercial refrigerators
Domestic refrigerators
Gas liquefaction

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Refrigeration and Air Conditioning
Carbon dioxide is

Odourless
Colourless
Non-flammable
All of the listed here

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Refrigeration and Air Conditioning
The specific humidity during heating and humidification process.

Increases
Decreases
None of these
Remains constant

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Refrigeration and Air Conditioning
In a vapour compression cycle, the refrigerant immediately after expansion valve is

Saturated liquid
Sub-cooled liquid
Liquid
Wet vapour

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MORE MCQ ON Refrigeration and Air Conditioning

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