Solved Problem on Heat Transfer

Submitted by tushar pramanick on Tue, 07/23/2013 - 09:26
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GATE 2013 : Mechanical Engineering

Q. Consider one-dimensional steady state heat conduction, without heat generation, in a plane wall; with boundary conditions as shown in the figure below. The conductivity of the wall is given by k = k0 + bT ; where k0 and b are positive constants, and T is temperature.

As x increases, the temperature gradient ( dT dx ) will

 

 

Options:

(A) remain constant (B) be zero (C) increase (D) decrease

 

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