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Steam of crude oil flows over a flat plate of length 800 mm and width 300 mm placed longitudinally with a velocity of 4 m/s.

Steam of crude oil flows over a flat plate of length 800 mm and width 300 mm placed longitudinally with a velocity of 4 m/s. The kinematic viscosity of the oil is 1 stoke and the specific gravity 0.9. Determine the boundary layer thickness and the shear stress at the middle of the plate and the friction drag on one side of the plate.

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