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GATE Civil Engineering (CE) 2019 Shift 1 Solved Paper

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Question : 58

Total: 65

Consider a laminar flow in the x-direction between two infinite parallel plates (Couette flow). The lower plate is stationary and the upper plate is moving with a velocity of 1cm/s in the x -direction. The distance between the plates is 5mm and the dynamic viscosity of the fluid is 0.01N−s/mIf the shear stress on the lower plate is zero, the pressure gradient, ‌

, (in N/m2 per m, round off to 1 decimal place) is

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