Civil Engineering - UPSC Civil Service Exam Questions - Discussion

38.

The standard plasticity chart to classify fine grained soils is shown in the given figure. The area marked 'X' represents

[A].	silt of low plasticity
[B].	clay of high plasticity
[C].	organic soil of medium plasticity
[D].	clay of intermediate plasticity

Answer: Option C

Explanation:

No answer description available for this question.

Rakesh said: (May 24, 2016)
Option D is the correct answer, because organic soil lies below A-line.

Penny said: (Apr 10, 2017)
Yes, Option D is the correct answer.

Dolly said: (Apr 1, 2018)
D is the correct answer.

Vikram Syal said: (Aug 23, 2018)
Organic soil is never above A-line. So option c is wrong. Above A line and liquid limit is > 35% CI (clay with intermediate comprehensibility) occurs. So, option D is right.

Sudhir Shaw said: (Feb 21, 2019)
Above A-line clay soil classification is done and below A-line organic/silt classification is done. So, option (D) is correct.

Vetan said: (Dec 15, 2019)
Inorganic clay shows always above the A-line. Organic silt shows always below the A-line. Black cotton soil is partially below or partially above the A-line.

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