Chemical Engineering Mcqs

The rate of heat transfer through a pipe wall is given by, q = 2π k (Ti – T0)/ln (ri/r0). For cylinder of very thin wall, q can be approximated by__________________?

(A)  q = [2π k (Ti + T0)/2]/ln (ri/r0)

(B)  q = 2π ri k (Ti – T0)/(r0/ri)

(C)  q = 2π k (Ti – T0)/(r0/ri)

(D)  q = 2π k (Ti – T0)/[(r0 + ri)/2]

Submitted By :Ali Uppal

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