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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The refrigerant for a refrigerator should have

High latent heat
Low latent heat
High sensible heat
High total heat

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Refrigeration and Air Conditioning
During dehumidification process, _________ remains constant.

Relative humidity
Wet bulb temperature
Dry bulb temperature
Specific humidity

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Refrigeration and Air Conditioning
A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be

0.2
6
1.2
5

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Refrigeration and Air Conditioning
Freon group of refrigerants are

Non-inflammable and toxic
Toxic
Inflammable
Nontoxic and non-inflammable

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Refrigeration and Air Conditioning
The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to

Red
Yellow
Orange
Bright green

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

R-12
Ammonia
R-22
R-11

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MORE MCQ ON Refrigeration and Air Conditioning

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