Q.

How does the heat travel in the air?


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a

Air convection

b

Air leakage

c

Both 1&2

d

None of the above  

answer is A.

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Detailed Solution

The heat travels in the air through air convection.
Heat travels in the air through convection. Air convection is the process in which warmer air at the surface heats up and after heating, it starts to move upwards and thereby cools down. Cold air from the upper portion comes downward and condensation takes place. This air then gets heated again. Thus, heat transfer takes place uniformly.
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