Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning

21.
The expression is used for calculating
relative humidity
humidity ratio
degree of saturation
pressure of water vapour
Answer: Option
Explanation:
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22.
The critical thickness of insulation for a sphere is
k/h0
2k/h0
h0/k
h0/2k
Answer: Option
Explanation:
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23.
The difference between dry bulb temperature and dew point temperature, is called
dry bulb depression
wet bulb depression
dew point depression
degree of saturation
Answer: Option
Explanation:
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24.
Logarithmic mean temperature difference is the same as the arithmetic mean temperature difference.
Agree
Disagree
Answer: Option
Explanation:
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25.
Film coefficient is defined as the ratio of
thermal conductivity to the equivalent thickness of the film of fluid
temperature drop through the films of fluids to the thickness of film of fluids
thickness of film of fluid to the thermal conductivity
thickness of film of fluid to the temperature drop through the films of fluids
Answer: Option
Explanation:
No answer description is available. Let's discuss.