ISRO Mechanical & Aerospace 2020 - Question 25

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A fluid having a density of 1 g/cc is in a state with Grashof number 2 x 10^6 and prandtl number 0.7. Assuming acceleration due to gravity as 10 m/s², calculate the Rayleigh number?

  • A. 1.4 x 10^6
  • B. 2.86 x 10^6
  • C. 3.7 x 10^5
  • D. 8.4 x 10^6

Answer: A. 1.4 x 10^6

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