The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) (A) K/h0 (B) 2K/h0 (C) h0 /K (D) h0 /2K

The critical radius of insulation for a spherical shell is (where, K =

thermal conductivity of insulating material h0 = heat transfer coefficient at

the outer surface)

(A) K/h0

(B) 2K/h0

(C) h0

/K

(D) h0

/2K

by

1 Answer

Answer :

(B) 2K/h0

by

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