ISRO Mechanical & Aerospace 2012 - Question 53

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Nusselt number is ratio of

  • A. Convective/Conductive resistances
  • B. Conductive/Convective resistances
  • C. Heat rates
  • D. Viscosities

Answer: B. Conductive/Convective resistances

Explanation: Nu = hL/k = (L/k) / (1/h) = R_cond / R_conv.

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