GATE XE (Engineering Sciences) 2024 - Question 31

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Section: Fluid Mechanics | Marks: 2

A thin film of an incompressible, Newtonian liquid (density 𝜌,⁑viscosity πœ‡) with an uniform thickness (h) is flowing down on a vertical plate. The flow is driven by gravity (𝑔) alone. Assume zero shear stress condition at the free surface. The maximum velocity is given by

Figure for question 31, GATE XE (Engineering Sciences) 2024

  • A. 1 2πœ‡πœŒπ‘”β„Ž2
  • B. 1 4πœ‡πœŒπ‘”β„Ž2
  • C. 1 πœ‡πœŒπ‘”β„Ž2
  • D. 1 8πœ‡πœŒπ‘”β„Ž2

Answer: A. 1 2πœ‡πœŒπ‘”β„Ž2

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