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Usually fins are provided to increase the rate of heat transfer, but fins also act as insulation. Which one of the following non-dimensional numbers decides this factor?
  • a)
    Eckert number
  • b)
    Biot number
  • c)
    Fourier number
  • d)
    Peclet number
Correct answer is option 'B'. Can you explain this answer?
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Usually fins are provided to increase the rate of heat transfer, but ...
The heat flow rate will be minimum when biot number is equal to unity and will increase when Biot number < 1.="" />
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Usually fins are provided to increase the rate of heat transfer, but fins also act as insulation. Which one of the following non-dimensional numbers decides this factor?a)Eckert numberb)Biot numberc)Fourier numberd)Peclet numberCorrect answer is option 'B'. Can you explain this answer?
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