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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Carbon dioxide is

Non-flammable
Colourless
Odourless
All of the listed here

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Refrigeration and Air Conditioning
The wet bulb temperature during sensible cooling of air

Increases
Remains constant
Decreases
None of these

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

-95.2°C
-135.8°C
-107.7°C
-86.6°C

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Refrigeration and Air Conditioning
The minimum temperature to which water can be cooled in a cooling tower is

Dew point temperature of air
Ambient air temperature
Wet bulb temperature of air
Dry bulb temperature of air

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Refrigeration and Air Conditioning
The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.

More
Unpredictable
Less
Equally

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Refrigeration and Air Conditioning
One tonne of refrigeration (1TR) means that the heat removing capacity is

420 kJ/min
210 kJ/min
620 kJ/min
21 kJ/min

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MORE MCQ ON Refrigeration and Air Conditioning

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