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GATE (CE) 2022: Soil Mechanics#33 (App update required to attempt this test)

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Question 1

The void ratio of a clay soil sample M decreased from 0.575 to 0.510 when the applied pressure is increased from 120 kPa to 180 kPa. For the same increment in pressure, the void ratio of another clay soil sample N decreases from 0.600 to 0.If the ratio of hydraulic conductivity of sample M to sample N is 0.125, then the ratio of coefficient of consolidation of sample M to sample N (round of to three decimal places) is _______________

Question 2Multiple Correct Options

Which of the following is/are advantage of compaction of soil?

Question 3

For the sub soil condition shown in figure below, calculate the effective stress at 6 m below the ground level. Assume γw = 10 kN/m3.

Question 4

Consider the following properties for soils X and Y.

Question 5

A 3 m high vertical earth retaining wall retains a dry granular backfill with angle of internal friction of 30o and unit weight of If the wall is prevented from yielding (no movement), the total horizontal thrust (in kN per unit length) on the wall is

Question 6

A split spoon sampler has following data

Inside dia. Of cutting edge = 20 mm

Outside dia. Of cutting edge = 50 mm

Inner dia. Of sampling tube = 30 mm

Onter dia. Of sampling tube = 40 mm

The ratio of inside & outside clearance will be ?

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Jun 8ESE & GATE CE