Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

251) Dew point temperature is the temperature of air recorded by a thermometer, when the moisture present in it begins to condense.

Answer is:

Correct

252) The critical thickness of insulation for a sphere is

Answer is:

2k/h₀

253) The difference between dry bulb temperature and dew point temperature, is called

Answer is:

dew point depression

254) Logarithmic mean temperature difference is the same as the arithmetic mean temperature difference.

Answer is:

Disagree

255) Film coefficient is defined as the ratio of

Answer is:

thermal conductivity to the equivalent thickness of the film of fluid

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