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Refrigeration and Air Conditioning

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

Sulphur sticks
Soap and water
Halide torch
All of these

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Refrigeration and Air Conditioning
In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about

2.15
1.25
5.12
1

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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
The wet bulb depression indicates _________ humidity of the air.

None of these
Relative
Specific
Absolute

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Receiver and evaporator
Condenser and receiver
Evaporator and compressor
Compressor and condenser

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Refrigeration and Air Conditioning
The pressure at the inlet of a refrigerant compressor is called

Back pressure
Suction pressure
Critical pressure
Discharge pressure

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MORE MCQ ON Refrigeration and Air Conditioning

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