The critical radius of insulation for cylindrical pipe is (where, hi = – McqOptions

MCQOPTIONS

1.	The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficientat inside of the pipe)
A.	K/h0
B.	2K/h0
C.	hi/K
D.	2hi/K
Answer» B. 2K/h0

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