79) A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement of the same clay is

10 mm

20 mm

40 mm

none of the above

Answer is:

10 mm

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80) Coarse grained soils are best compacted by a

drum roller

rubber tyred roller

sheep′s foot roller

vibratory roller

Answer is:

vibratory roller

81) With the increase in the amount of compaction energy

optimum water content increases but maximum dry density decreases

optimum water content decreases but maximum dry density increases

both optimum water content and maximum dry density increase

both optimum water content and maximum dry density decrease[ES 93]

Answer is:

optimum water content decreases but maximum dry density increases

82) The maximum dry density upto which any soil can be compacted depends upon

moisture content only

amount of compaction energy only

both moisture content and amount of compaction energy

none of the above

Answer is:

both moisture content and amount of compaction energy

83) For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

dry of OMC and wet of OMC

wet of OMC and dry of OMC

wet of OMC and wet of OMC

dry of OMC and dry of OMC where OMC is optimum moisture content

Answer is:

wet of OMC and dry of OMC

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79) A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement of the same clay is

10 mm

Geotechnical Engineering MCQ with Answers

Related Geotechnical Engineering MCQ with Answers

80) Coarse grained soils are best compacted by a

vibratory roller

81) With the increase in the amount of compaction energy

optimum water content decreases but maximum dry density increases

82) The maximum dry density upto which any soil can be compacted depends upon

both moisture content and amount of compaction energy

83) For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

wet of OMC and dry of OMC

Geotechnical Engineering MCQ with Answers