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The temperature drop through a two-layer furnace wall is 900oC. Each layer is of equal area of cross section. Which of the following actions will result in lowering the temperature θ of the interface?
  • a)
    By increasing the thermal conductivity of outer layer
  • b)
    By increasing the thermal conductivity of inner layer
  • c)
    By increasing thickness of outer layer
  • d)
    By increasing thickness of inner layer
Correct answer is option 'A, D'. Can you explain this answer?
Most Upvoted Answer
The temperature drop through a two-layer furnace wall is 900oC. Each ...
H = rate of heat flow
Now, we can see that θ can be decreased by increasing thermal conductivity of outer layer (K0) and thickness of inner layer (li).
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Community Answer
The temperature drop through a two-layer furnace wall is 900oC. Each ...
H = rate of heat flow
Now, we can see that θ can be decreased by increasing thermal conductivity of outer layer (K0) and thickness of inner layer (li).
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The temperature drop through a two-layer furnace wall is 900oC. Each layer is of equal area of cross section. Which of the following actions will result in lowering the temperature θ of the interface?a)By increasing the thermal conductivity of outer layerb)By increasing the thermal conductivity of inner layerc)By increasing thickness of outer layerd)By increasing thickness of inner layerCorrect answer is option 'A, D'. Can you explain this answer?
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