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GATE CE 2020 Geotech. Engg. Quiz 2

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Question 1

The notation “SC” as per Indian standard Soil Classification System refers to

Question 2

Match List I and List II and determine the correct representation of the soil structure

P Q R S

Question 3

In the context of collecting undisturbed soil samples of high quality using a spoon sampler, following statements are made.
(I) Area ratio should be less than 10%
(II) Clearance ratio should be less than 1%
Where reference to above statement, which of the following applies?

Question 4

The Atterberg limits of a soil are LL = 68% and PL = 34% and it contains 85% by weight of clay. The water content of a sample is 45%. Determine the predominant clay mineral.

Question 5

Match List-I (Different types of soil) with List-II (Group symbols of I.S. classification) and select the correct answer using the codes given below the lists:
List-I
A) Well graded sand mixture with little or no fines
B) Silty sand
C) Inorganic silts and very fine sands or clayey silts with low plasticity
D) Inorganic clays of high plasticity
List-II
1) ML
2) CH
3) SW
4) SM

Question 6

Classify the soil with following properties according to ISC system. Liquid limit is 40%, Plasticity index is 10%, %age passing through 4.75mm sieve is 60% and passing through 75 micron sieve is 45%
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