Question

For unsaturated Air
Options (Marks: 1)
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Option 1
Wet bulb depression is zero
Option 2
Wet bulb depression is positive
Option 3
B Wet bulb depression is negative
Option 4
B Wet bulb depression is always one
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Answer 1

For unsaturated air the wet-bulb depression is negative.

Explanation:

• The humidity level in the air is categorized as saturated and unsaturated.
• If the concentration of humidity level in the air is maximum then the air is termed as saturated air.
• But if the amount of water vapors is less in the air then it is termed as unsaturated air.
• Thereofre, the wet-bulb depression is negative when the humidity is less in the air.