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SSC_JE_CE_SOIL_MECHANICS_QUIZ_1

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Question 1

The Mohr’s straight theory is based on the following fact.

Question 2

A soil mass is having 66% of particles passing through 0.075mm seive. The liquid limit of the soil is 60% and plastic limit is 33%. The soil can be classified as

Question 3

When applying Darcy’s law to soils, it is assumed that the

Question 4

A stratum of clay draining both at top and bottom undergoes 30% consolidation under a load in 9 years. If an additional drainage layer were present at the mid height of this clay stratum, what would be the time taken for 30% consolidation under the same load?

Question 5

The coefficient of curvature for well graded soil lies between ____.

Question 6

A flownet of a coffer dam foundation has 8 flow channels and 24 equipotential drops. The head of water lost during seepage is 4.5m. If the coefficient of permeability of foundation is .002 cm/min, then seepage loss per meter length of the dam will be

Question 7

If liquid limit of a soil sample is 40 %, plastic limit is 15 % and natural moisture content of the sample is 32 %. The relative consistency of the sample will be?

Question 8

During the first stage of triaxial test when the cell pressure is increased from 0.15 N/mm² to 0.28 N/mm², the pore pressure increases from 0.07 N/mm² to 0.15 N/mm². What is the value of the skempton’s pore pressure parameter B?

Question 9

In a typical deposit of submerged soil, the approximate depth at which the inter-granular pressure is equal to 50 KN/m² is (γ_sat = 20 KN/m³)

Question 10

The coefficient of gradation and the coefficient of uniformity of a given soil sample is 1.0 and 4.0 respectively. The ratio of effective size to the diameter through which 30% of the total mass is passed is ______.

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