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Refrigeration and Air Conditioning

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

Three fluids
None of the listed here
Single fluid
Two fluids

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

80 kcal/ min
50 kcal/ hr
50 kcal/ min
80 kcal/ hr

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Refrigeration and Air Conditioning
The material of pipe lines for a system using Freon as a refrigerant should be

Aluminium
Brass
Steel
Copper

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Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

0.1 ton
5 tons
10 tons
40 tons

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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

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

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

None of these
Remains constant
Decreases
Increases

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