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Refrigeration and Air Conditioning

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

5 tons
40 tons
0.1 ton
10 tons

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Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of cooling medium
Of evaporator
At which refrigerant gas becomes liquid
Of freezing zone

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Refrigeration and Air Conditioning
The capillary tube, as an expansion device, is used in

Room air conditioners
All of these
Water coolers
Domestic refrigerators

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Refrigeration and Air Conditioning
Formation of frost on evaporator in refrigerator

Is immaterial
Results in loss of heat due to poor heat transfer
Increases heat transfer rate
Can be avoided by proper design

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Refrigeration and Air Conditioning
Wet bulb temperature is the temperature of air recorded by a thermometer, when

It is not affected by the moisture present in the air
Its bulb is surrounded by a wet cloth exposed to the air
The moisture present in it begins to condense
None of these

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Refrigeration and Air Conditioning
In a psychrometric chart, specific humidity (moisture content) lines are

Horizontal and non-uniformly spaced
Horizontal and uniformly spaced
Vertical and uniformly spaced
Curved lines

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MORE MCQ ON Refrigeration and Air Conditioning

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