The passive earth pressure of a soil, is proportional to (where φ is the angle of internal friction of the soil.)

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Geotechnical Engineering
140

Geotechnical Engineering MCQ with Answers

140) The passive earth pressure of a soil, is proportional to (where φ is the angle of internal friction of the soil.)

tan (45° - φ)

tan (45° + φ)

tan2 (45° - φ

tan2 (45° + φ)

Answer is:

tan2 (45° + φ)

Geotechnical Engineering MCQ with Answers

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141) If a soil undergoes a change in shape and volume by application of external loads over it, but recovers its shape and volume immediately after removal of the load, the property of the soil is said to be

Resilience of soils

Elasticity of soils

Compressibility of soils

None of these.

Answer is:

Elasticity of soils

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

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

Geotechnical Engineering MCQ with Answers

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140) The passive earth pressure of a soil, is proportional to (where φ is the angle of internal friction of the soil.)

tan2 (45° + φ)

Geotechnical Engineering MCQ with Answers

Related Geotechnical Engineering MCQ with Answers

141) If a soil undergoes a change in shape and volume by application of external loads over it, but recovers its shape and volume immediately after removal of the load, the property of the soil is said to be

Elasticity of soils

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

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

Geotechnical Engineering MCQ with Answers