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Soil-mechanics Questions Set 17:

Quiz Mode

Ratio of Plasticity Index to what gives Toughness Index?

Liquidity Index

Elasticity Index

Flow Index

Consistency Index

Solution:

The stress intensity from the center to the outer edge of an isobar

Increases

Decreases

None of the above

Remains the same

Solution:

A dry soil with suction capacity of '1' rests over a saturated soil. The height of capillary rise is:

1 mm

10 mm

100 mm

1000 mm

Solution:

Which of the following test is used for saturated cohesive soil?

Vane shear test

Unconfined compressive test

Direct shear test

None

Solution:

For a uniformly graded soil, the coefficient of uniformity (Cu) is typically:

greater than 4

greater than 6

between 1 and 3

1 or less than 2

Solution:

The appropriate field test to determine the undrained shear strength of soft clay is

Vane shear test

Split tensile test

Direct shear test

None

Solution:

A long strip footing of width 2 m carries a load of 400 kN/m. Calculate the maximum stress at a depth of 5 m below the centerline of the footing.

34.68

49.54

56.76

53.98

Solution:

When a retaining wall moves away from the backfill, the pressure exerted on the wall is termed as

Passive Earth Pressure

Swelling pressure

Pore pressure

Active earth pressure

Solution:

According to Jacky, the coefficient of lateral earth pressure at rest, X, is equal to 1 - sin(phi), where phi is the angle of internal friction. Identify X.

Lateral passive earth pressure

Lateral active Earth pressure

Lateral Earth pressure at rest

Coefficient of Lateral Earth pressure at rest

Solution:

Which of the following options correctly describes the relationship between capillary rise and the diameter of the tube?

Capillary rise is directly proportional to diameter of tube

Capillary rise is inversely proportional to surface tension of water

Capillary rise is inversely proportional to diameter of tube

Capillary rise is inversely proportional to contact angle

Soil-mechanics Questions Set 17:

Ratio of Plasticity Index to what gives Toughness Index?

Solution:

The stress intensity from the center to the outer edge of an isobar

Solution:

A dry soil with suction capacity of '1' rests over a saturated soil. The height of capillary rise is:

Solution:

Which of the following test is used for saturated cohesive soil?

Solution:

For a uniformly graded soil, the coefficient of uniformity (Cu) is typically:

Solution:

The appropriate field test to determine the undrained shear strength of soft clay is

Solution:

A long strip footing of width 2 m carries a load of 400 kN/m. Calculate the maximum stress at a depth of 5 m below the centerline of the footing.

Solution:

When a retaining wall moves away from the backfill, the pressure exerted on the wall is termed as

Solution:

According to Jacky, the coefficient of lateral earth pressure at rest, X, is equal to 1 - sin(phi), where phi is the angle of internal friction. Identify X.

Solution:

Which of the following options correctly describes the relationship between capillary rise and the diameter of the tube?

Solution:

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