142) If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is

0.91

0.92

0.93

0.95

Answer is:

0.95

Geotechnical Engineering MCQ with Answers

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143) The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2, the coefficient of compressibility is

0.01

0.02

0.05

0.001

Answer is:

0.01

144) Pick up the incorrect statement from the following

The smaller the size of the pores, the higher the water can rise above the water table.

Below the water table, the pore water may be static.

The hydrostatic pressure depends on the depth below the water level.

None of these

Answer is:

None of these

145) The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known

liquid limit

plastic limit

shrinkage limit

permeability limit.

Answer is:

shrinkage limit

146) A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is

1.47

1.82

1.91

none of these.

Answer is:

none of these.

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142) If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is

0.95

Geotechnical Engineering MCQ with Answers

Related Geotechnical Engineering MCQ with Answers

143) The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2, the coefficient of compressibility is

0.01

144) Pick up the incorrect statement from the following

None of these

145) The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known

shrinkage limit

146) A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is

none of these.

Geotechnical Engineering MCQ with Answers