Geotechnical Engineering MCQ with Answers

Geotechnical Engineering MCQ with Answers

106) A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of

Answer is:

12°

107) Coefficient of earth pressure at rest is

Answer is:

greater than active earth pressure but less than passive earth pressure

108) Bishop′s method of stability analysis

Answer is:

assumes the slip surface as an arc of a circle

109) Allowable bearing pressure for a foundation depends upon

Answer is:

both allowable settlement and ultimate bearing capacity

110) The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

Answer is:

cohesion and effective unit weight of soil

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