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Refrigeration and Air Conditioning

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

Three fluids
Two fluids
Single fluid
None of the listed here

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Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

More than
Equal to
None of these
Less than

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Refrigeration and Air Conditioning
One tonne of refrigeration (1TR) means that the heat removing capacity is

420 kJ/min
620 kJ/min
21 kJ/min
210 kJ/min

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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

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

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Refrigeration and Air Conditioning
Which of the following refrigerant has the lowest freezing point?

R-11
R-12
R-22
Ammonia

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Specific humidity
Wet bulb temperature
Dry bulb temperature
Dew point temperature

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MORE MCQ ON Refrigeration and Air Conditioning

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