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GATE 2022 Rapid Revision Quiz 4

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Question 1

The most appropriate triaxial test to assess the long-term stability of an excavated clay slope is

Question 2

During the process of hydration of cement, due to increase in Dicalcium Silicate (C2S) content in cement clinker, the heat of hydration

Question 3

The small orifices A and B of diameter 1 cm and 2cm respectively are placed on the side of the tank at depth H1 and H2 below the open liquid surface. If discharge through A and B are equal. And for some value of Cd for two orifices, the ratio of H1 and H2 are x:1 find the value of ‘x’.

Question 4

A rectangular grit chamber for a flow of 40 MLD, specific gravity 2.65 and size of the particle to be removed is 0.2mm, kinematic viscosity of liquid is 1 × 10-2 cm2 / sec, the critical horizontal velocity of flow (m/sec)_________.(round off to two decimal places)

Question 5

Two points on a curve for a normally consolidated clay have the following coordinated of void ratio and pressure:

Point 1: e = 0.7 and p = 1.0 kg/cm2

Point 2: e = 0.6 and p = 3.0 kg/cm2

If the average overburden pressure on 6 m thick clay layer is 1.5 kg/cm2, how much settlement will the clay layer will experience due to additional load intensity of 1.6 kg/cm2

Question 6

A municipal corporation is required to treat 1000 m3/day of water. It is found that an overflow rate of 20 in/day will produce a satisfactory removal of the discrete suspended particles at a depth of 3 m. The diameter (in meters, rounded to the nearest integer) of a circular settling tank designed for the removal of these particles would be______

Question 7

A concrete slab of 40cm thickness has modulus subgrade reaction 90×106 N/m3, then what will be the radius of relative stiffness. (Take E = 3 × 105 kg/cm2, poisson’s ratio μ = 0.15)

Question 8

The viscous laminar flow of air over a flat plate results in the formation of a boundary layer. At the end of the plate of length ‘L’, the boundary layer thickness is ‘SL’. When the plate length is increased to twice its original length, the percentage change in laminar boundary layer thickness at the end of the plate (with respect to SL) is……….. (Round of to 2 decimal places)
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