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Soil-mechanics Questions Set 13:

Quiz Mode

If the soil is completely dry, then the degree of saturation is _____.

100%

< 1%

> 100%

Solution:

Sampler used to obtain an undisturbed sample from soft and sensitive clays

stationary piston

rotary

Split spoon

None

Solution:

The liquid limit of a saturated normally consolidated soil is 55%. The compression index of this soil is

0.25

0.33

0.40

0.54

Solution:

If the critical hydraulic gradient of a soil is 1 and its specific gravity is 2.7, then the void ratio will be

0.58

1.70

0.70

2.70

Solution:

Black cotton soils may be stabilized with which of the following for road construction?

Mixing lime 5 to 10%

Mixing sand

Mixing gypsum

Mixing fly ash

Solution:

Which of the following is not an advantage of compaction?

Increase in unit weight

Change in volume

All are advantages

Decrease in load carrying capacity

Solution:

The ratio of unconfined compressive strength of an undisturbed sample of soil to that of a remolded sample, at the same water content is known as

Activity

Damping

Plasticity

Sensitivity

Solution:

What type of water is adsorbed on the surface of a solid particle due to the condensation of aqueous vapor by cohesive forces?

hygroscopic water

film water

adsorbed water

structured water

Solution:

A soil has specific gravity of its solids equal to 2.65. The mass density of water is 1000 kg/m³. Considering zero air voids and 10% moisture content of the soil sample, the dry density (in kg/m³) would be

2094

2022

1345

2789

Solution:

If the void ratio of a soil sample increases, and the specific gravity and degree of saturation remain constant, how will the water content change?

decrease

remain unchanged

increase

may decrease or increase depending upon the temperature

Soil-mechanics Questions Set 13:

If the soil is completely dry, then the degree of saturation is _____.

Solution:

Sampler used to obtain an undisturbed sample from soft and sensitive clays

Solution:

The liquid limit of a saturated normally consolidated soil is 55%. The compression index of this soil is

Solution:

If the critical hydraulic gradient of a soil is 1 and its specific gravity is 2.7, then the void ratio will be

Solution:

Black cotton soils may be stabilized with which of the following for road construction?

Solution:

Which of the following is not an advantage of compaction?

Solution:

The ratio of unconfined compressive strength of an undisturbed sample of soil to that of a remolded sample, at the same water content is known as

Solution:

What type of water is adsorbed on the surface of a solid particle due to the condensation of aqueous vapor by cohesive forces?

Solution:

A soil has specific gravity of its solids equal to 2.65. The mass density of water is 1000 kg/m³. Considering zero air voids and 10% moisture content of the soil sample, the dry density (in kg/m³) would be

Solution:

If the void ratio of a soil sample increases, and the specific gravity and degree of saturation remain constant, how will the water content change?

Solution:

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