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GATE ME 2015 Set 1 — Question 62

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NAT+2 / -0MediumBoundary Layer TheoryViscous & Pipe FlowFluid Mechanics

Fluid Mechanics → Viscous & Pipe Flow → Boundary Layer Theory

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Air (ρ=1.2 kg/m3\rho = 1.2\text{ kg/m}^3 and kinematic viscosity, ν=2×10−5 m2/s\nu = 2 \times 10^{-5}\text{ m}^2\text{/s}) with a velocity of 2 m/s2\text{ m/s} flows over the top surface of a flat plate of length 2.5 m2.5\text{ m}. If the average value of friction coefficient is Cf=1.328RexC_f = \frac{1.328}{\sqrt{Re_x}}, the total drag force (in N) per unit width of the plate is ________
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