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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

very little power consumption
quiet operation
noisy operation
cooling below 0°C

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

0.1 ton
40 tons
5 tons
10 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 process, generally used in summer air conditioning to cool and dehumidify the air, is called

Cooling and dehumidification
Humidification
Heating and humidification
Dehumidification

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Condenser
Expansion valve
Evaporator
Compressor

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Refrigeration and Air Conditioning
The reduced ambient air cooling system has

One cooling turbine and one heat exchanger
Two cooling turbines and one heat exchanger
One cooling turbine and two heat exchangers
Two cooling turbines and two heat exchangers

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MORE MCQ ON Refrigeration and Air Conditioning

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