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Consider the following statements for sensible heating. In this process:

1) Wet bulb temperature increases

2) Relative humidity decreases

3) Vapour pressure remains constant

Which of the above statements are correct?

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  1. 1, 2 and 3
  2. 1 and 2 only
  3. 1 and 3 only
  4. 2 and 3 only

Answer (Detailed Solution Below)

Option 1 : 1, 2 and 3
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Detailed Solution

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Explanation:

For sensible heating process

  1.  Dry Bulb Temperature increases
  2. Wet Bulb Temperature increases
  3. Dew Point Temperature, Specific humidity and vapour pressure remains constant
  4. Enthalpy increases

 

Psychrometric chart for sensible Heating

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