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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Decreases
Remains constant
Increases
None of these

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Refrigeration and Air Conditioning
The boiling point of ammonia is

-33.3°C
-10.5°C
-30°C
-77.7°C

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Refrigeration and Air Conditioning
The relative coefficient of performance is

Actual COP × theoretical COP
Theoretical COP/actual COP
Actual COP/theoretical COP
None of these

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Refrigeration and Air Conditioning
The specific humidity during dehumidification process

Increases
None of these
Remains constant
Decreases

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Refrigeration and Air Conditioning
The leaks in a refrigeration system using Freon are detected by

Halide torch which on detection produces greenish flame lighting
Sulphur sticks which on detection gives white smoke
Using reagents
Smelling

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Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

noisy operation
quiet operation
very little power consumption
cooling below 0°C

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