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Refrigeration and Air Conditioning

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

-107.7°C
-95.2°C
-86.6°C
-135.8°C

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Hydrocarbon refrigerants
Inorganic refrigerants
Zoetrope refrigerants
Halocarbon refrigerants

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Refrigeration and Air Conditioning
A standard ice point temperature corresponds to the temperature of

Mixture of ice and water under equilibrium conditions
Solid and dry ice
Ice at 4°C
Water at 0°C

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Refrigeration and Air Conditioning
A refrigerant with the highest critical pressure is

R-11
Ammonia
R-12
R-22

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Refrigeration and Air Conditioning
The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called

Dry bulb temperature
Wet bulb temperature
Dew point temperature
None of these

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Refrigeration and Air Conditioning
The vapour compression refrigerator employs the following cycle

Carnot
Reversed Rankine
Rankine
Reversed Carnot

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MORE MCQ ON Refrigeration and Air Conditioning

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