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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Higher than
None of these
Same as
Lower than

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Refrigeration and Air Conditioning
The leakage in a refrigeration system using Freon is detected by

Sulphur sticks
Halide torch
Soap and water
All of these

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Hydrocarbon refrigerants
Halocarbon refrigerants
Inorganic refrigerants
Zoetrope refrigerants

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Refrigeration and Air Conditioning
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by

Generator
Liquid pump
Absorber, generator and liquid pump
Absorber and generator

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

Rankine
Carnot
Reversed Rankine
Reversed Carnot

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Refrigeration and Air Conditioning
In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is

Heated and dehumidified
Cooled and humidified
Cooled and dehumidified
Heated and humidified

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