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Refrigeration and Air Conditioning

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

None of the listed here
Three fluids
Two fluids
Single fluid

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Refrigeration and Air Conditioning
The process, generally used in winter air-conditioning to warm and humidity the air, is called

Cooling and dehumidification
Humidification
Dehumidification
Heating and humidification

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Ammonia and water
Water and lithium bromide
Water and water
Ammonia and lithium bromide

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

Soap and water
Sulphur sticks
Halide torch
All of these

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Refrigeration and Air Conditioning
In which of the following refrigeration system, waste heat can be effectively used?

None of the listed here
Air refrigeration cycle
Vapour compression cycle
Vapour absorption cycle

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Refrigeration and Air Conditioning
During sensible cooling of air, specific humidity

Remains constant
Decreases
None of the listed here
Increases

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