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The temperature drop through a two layer...


The temperature drop through a two layer furnace wall is `900^@C`. Each layer is of equal area of cross section. Which of the following actions will result in lowering the temperature `theta` of the interface?

A

By increasing the thermal conductivity of outer layer

B

By increasing thermal conductivity of inner layer

C

By increasing thickness of outer layer

D

By increasing thickness of inner layer

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The correct Answer is:
A, D
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