Civil Engineering - Soil Mechanics and Foundation Engineering - Discussion

Discussion Forum : Soil Mechanics and Foundation Engineering - Section 1 (Q.No. 33)

Soil Mechanics and Foundation Engineering

33.

Pick up the correct statement from the following :

In soils, the flow index indicates variation in shear strength with water content

Liquid limit minus plastic limit, is known as plasticity index of the soil

Plastic limit minus shrinkage limit, is known as shrinkage index of the soil

The ratio of the plasticity index to the flow limit, is known as toughness index of the soil

All the above.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

23 comments Page 2 of 3.

Sasmita Nayak said: 6 years ago

Toughness Index = plasticity index/flow index.
Shrinkage Index = Liquid limit-shrinkage Limit.
Except (C),(D) all are correct.

Shariful (AMIEB) said: 6 years ago

The ratio of the plasticity index to the flow index (not flow limit), is known as the toughness index of the soil.

Kamran Iqbal said: 6 years ago

All the options are correct except (C).

Pradnya Gaikwad said: 1 decade ago

The difference between liquid limit & shrinkage limit is called shrinkage index.

Ganesh said: 7 years ago

S.I = PL- SL.

Sudip said: 7 years ago

I think the correct answer is "The ratio of the plasticity index to the flow index, is known as toughness index of the soil".

Tanu said: 7 years ago

I agree with you @Pradipto Sarkar.

All are correct except option (c).

As, shrinkage index =liquit limit -shrinkage limit.

Rio said: 8 years ago

It's only plastic limit minus shrinkage limit.

Pradipto Sarkar said: 8 years ago

All the options are correct except (c).

Shrinkage index = liquid limit - shrinkage limit.

Srinivas said: 8 years ago

Liquid limit - shrinkage limit =shrinkage index.

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