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Engineering
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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
206

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

206) The desirable property of a refrigerant is

low boiling point

high critical temperature

high latent heat of vaporisation

all of these

Answer is:

all of these

Explanation:

The desirable property of a refrigerant is
* low boiling point
* high critical temperature
* high latent heat of vaporisation

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

207) The humidification process, on the psychrometric chart is shown by

horizontal line

vertical line

inclined line

curved line

Answer is:

vertical line

208) The colour of the flame of halide torch, in case of leakage of freon refrigerant, will change to

bright green

yellow

red

orange

Answer is:

bright green

209) The wet bulb depression indicates __________ humidity of the air.

absolute

relative

specific

none of these

Answer is:

relative

210) The refrigerant widely used in domestic refrigerators is

ammonia

carbon dioxide

sulphur dioxide

R-12

Answer is:

R-12

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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