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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Most of the domestic refrigerators work on the following refrigeration system

Vapour compression
Carnot cycle
Electrolux refrigerator
Vapour absorption

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Refrigeration and Air Conditioning
In vapour compression refrigeration system, refrigerant occurs as liquid between

Compressor and evaporator
Expansion valve and evaporator
Compressor and condenser
Condenser and expansion valve

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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

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

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Refrigeration and Air Conditioning
Bell Coleman cycle is a

Reversed Otto cycle
Reversed Carnot cycle
Reversed Rankine cycle
Reversed Joule cycle

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Refrigeration and Air Conditioning
The higher temperature in vapour compression cycle occurs at

Expansion valve
Evaporator
Receiver
Compressor discharge

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Refrigeration and Air Conditioning
Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator.

Equalize
Reduce
None of these
Increase

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MORE MCQ ON Refrigeration and Air Conditioning

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