+1 vote
in Mass Transfer by (37.1k points)
Consider the above problem, workout the heat losses from one meter length of the mains

(a) 0.458

(b) 0.448

(c) 0.438

(d) 0.428

I got this question at a job interview.

Query is from Correlations for Free Convection in portion Diffusion in Solids and Molecular Diffusion in Fluids of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Right choice is (c) 0.438

To explain: Q 1/Q 2 = h 1 d 1 l/h 2 d 2 l = 0.438.

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