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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

depends on other factors
increases
decreases
remains same

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

Halide torch
Sulphur sticks
Soap and water
All of these

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Refrigeration and Air Conditioning
A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be

All of these
Water temperature being high
Lack of cooling water
Dirty condenser surface

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

None of these
Decreases
Increases
Remains constant

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Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

None of the listed here
Three fluids
Single fluid
Two fluids

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Refrigeration and Air Conditioning
Absorption system normally uses the following refrigerant

Freon-22
CO2
Ammonia
Freon-11

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MORE MCQ ON Refrigeration and Air Conditioning

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