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GATE CE 2021: Soil Mechanics & Foundation Engineering#2

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Question 1

A fine grained soil is found to be plastic in the water content range of 21% to 45%. As per Indian Standard classification System , the soil is classified as

Question 2

If a soil is classified as ML as per Indian standard classification system, it means it is

Question 3

Which one of the following different types of submerged soil is susceptible to liquefaction under earthquake shocks?

Question 4

Following results are obtained from particle size analysis:

Uniformity coefficient = 8

Coefficient of curvature = 2.8

Percentage of soil passing through 75 μ IS sieve = 10%

Percentage of soil passing through 4.75 mm IS sieve = 70%

If liquid limit and plastic limit for the soil are 38% and 34. 2% respectively, the soil can be classified as per IS soil classification system as

Question 5

Consider the following statements:
1) conspicuous break in the continuity of a grain size distribution curve indicates a mixture of soil from two different layers.
2). A flat grain size distribution curve indicates the prevalence of nearly uniform grain size.
3). A flat grain size distribution curve indicates a certain range of missing grain size.
Which of these statements are correct?

Question 6

Which of the following bonding is responsible to combine the silica-gibsite sheet in kaolinite clay mineral?
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Sep 14ESE & GATE CE