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

Soil Mechanics and Foundation
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

7°

17°

10°

12°

7°

17°

10°

12°

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Soil Mechanics and Foundation
The shear strength of a soil

Is inversely proportional to the angle of internal friction of the soil

Decreases with increase in normal stress

Decreases with decrease in normal stress

Is directly proportional to the angle of internal friction of the soil

Is inversely proportional to the angle of internal friction of the soil

Decreases with increase in normal stress

Decreases with decrease in normal stress

Is directly proportional to the angle of internal friction of the soil

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Soil Mechanics and Foundation
According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is

17

7

PI>27

0 < PI < 7

17

7

PI>27

0 < PI < 7

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Soil Mechanics and Foundation
Physical properties of a permeant which influence permeability are

both viscosity and unit weight

unit weight only

None of these

viscosity only

both viscosity and unit weight

unit weight only

None of these

viscosity only

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Soil Mechanics and Foundation
Select the incorrect statement. Effective angle of shearing resistance

is limited to a maximum value of 45°

is rarely more than 30° for fine grained soil

increases as the size of particles increases

increases as the soil gradation im-proves

is limited to a maximum value of 45°

is rarely more than 30° for fine grained soil

increases as the size of particles increases

increases as the soil gradation im-proves

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Soil Mechanics and Foundation
Which of the following methods is most accurate for the determination of the water content of soil ?

calcium carbide method

pycnometer method

oven drying method

sand bath method

calcium carbide method

pycnometer method

oven drying method

sand bath method

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Soil Mechanics and Foundation

Soil Mechanics and Foundation The shear strength of a soil

Soil Mechanics and Foundation According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is

Soil Mechanics and Foundation Physical properties of a permeant which influence permeability are

Soil Mechanics and Foundation Select the incorrect statement. Effective angle of shearing resistance

Soil Mechanics and Foundation Which of the following methods is most accurate for the determination of the water content of soil ?

Soil Mechanics and Foundation
The shear strength of a soil

Soil Mechanics and Foundation
According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is

Soil Mechanics and Foundation
Physical properties of a permeant which influence permeability are

Soil Mechanics and Foundation
Select the incorrect statement. Effective angle of shearing resistance

Soil Mechanics and Foundation
Which of the following methods is most accurate for the determination of the water content of soil ?