A pipe is insulated such that the outer radius of the insulation is less than the critical radius. Now the insulation is taken off. Will the rate of heat transfer from the pipe increase or decrease for the same pipe surface temperature?

A pipe is insulated such that the outer radius of the insulation is less than the critical radius. Now the insulation is taken off. Will the rate of heat transfer from the pipe increase or decrease for the same pipe surface temperature?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter13: State Of Matter

Section: Chapter Questions

Problem 80A

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A pipe is insulated such that the outer radius of
the insulation is less than the critical radius. Now the insulation
is taken off. Will the rate of heat transfer from the pipe
increase or decrease for the same pipe surface temperature?

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