A steam carraying pipeline is insulated with two layers of insulating materials

Question

A steam carraying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

Options:

A . Increase

B . Decrease

C . Remain unaffected

D . May increase or decrease; depends on the thickness of each layer

Answer: Option C

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