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Mechanical Engineering · Q156

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 156

Q156

Upto the critical radius of insulation,

A.
Added insulation will increase heat loss
Answer
B.
Added insulation will decrease heat loss
C.
Convective heat loss will be less than conductive heat loss
D.
Heat flux will decrease

Answer: Option A

Solution

Answer: Option A
Solution:
Upto the critical radius of insulation,Added insulation will increase heat loss
It is the radius of insulation before heat transfer increases and after heat transfer decreases.
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