The critical radius of insulation for cylindrical pipe is (where, h i = heat transfer coefficient at inside of the pipe )

The critical radius of insulation for cylindrical pipe is (where, h i

1.	The critical radius of insulation for cylindrical pipe is (where, h i = heat transfer coefficient at inside of the pipe )
A.	K / h 0
B.	2K / h 0
C.	h i / K
D.	2h i / K
Answer» B. 2K / h 0

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The critical radius of insulation for cylindrical pipe is (where, h i = heat transfer coefficient at inside of the pipe )

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