The critical radius is the insulation radius at which the resistance to heat flow is
A. Maximum
B. Minimum
C. Zero
D. None of these
Answer: Option B
Solution(By Examveda Team)
It is the radius of insulation before heat transfer increases and after heat transfer decreases.The critical radius is the insulation radius at which the resistance to heat flow is Minimum
This Question Belongs to Mechanical Engineering >> Heat And Mass Transfer
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