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Soil Mechanics and Foundation Engineering - Engineering

Q1:

Pick up the correct statement from the following:

A Sandy clayloam contains highest percentage of sand

B Silty clayloam contains highest percentage of silt

C Stiff boulder clay offers maximum shear strength

D Soft chalk carries least safe load

E All the above.

ANS:B - Silty clayloam contains highest percentage of silt

Loam means equal percentage of sand silt and clay fraction. So loam is not correct. Option C is stiff boulder clay it may be rite but the boulder is not clay. I think the correct answer is option D. Sandy clay loam: 20 to 35 per cent clay, less than 28 per cent silt, and 45 per cent or more sand.

Silty clay loam: 27 to 40 per cent clay and less than 20 per cent sand.