Question

A thick walled tube of stainless steel with 20mm inner diameter and 40mm outer diameter is covered with a 30mm layer of asbestos insulation.if the inside wall temperature of the pipe is maintained at 600 degree Celsius and outside insulation at 100 degree Celsius then find the value for heat losses per metre of length.

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Answer 1

Answer:

....YOUR SOLUTION IS IN ABOVE PICTURE.

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Answer 2

Answer:652.45

Explanation:

we take conductivity of asbestos 0.2 W/m *C and conductivity of stainless steel is neglected