GATE CE 2019 Paper 1 — page 21

Questions 61–63 of 65. Imported answers require review unless explicitly marked reviewed.

Consider a laminar flow in the

-direction between two infinite parallel plates (Couette flow). The lower plate is stationary and the upper plate is moving with a velocity of 1

in the

-direction. The distance between the plates is 5

and the dynamic viscosity of the fluid is 0.01

. If the shear stress on the lower plate is zero, the pressure gradient,

, (in

per

, round off to 1 decimal place) is ________.

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A reinforced concrete circular pile of 12

length and 0.6

diameter is embedded in stiff clay which has an undrained unit cohesion of 110

. The adhesion factor is 0.5. The Net Ultimate Pullout (uplift) Load for the pile (in

, round off to 1 decimal place) is ________.

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A granular soil has a saturated unit weight of 20

and an effective angle of shearing resistance of 30°. The unit weight of water is 9.81

. A slope is to be made on this soil deposit in which the seepage occurs parallel to the slope up to the free surface. Under this seepage condition for a factor of safety of 1.5, the safe slope angle (in degree, round off to 1 decimal place) would be ________.

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2019 · Paper 1

Question 51

Question 52

Question 53