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Soil-mechanics Questions Set 42:

Quiz Mode

What is the sensitivity index for quick sand?

Less than 1

Greater than 16

Solution:

When the soil is fully saturated, then there are no air voids present in it.

True

False

Solution:

If the water content in a soil sample is 45%, then the soil is said to be?

low plastic

None of the above

moderately plastic

highly plastic

Solution:

The liquid limit of an oven-dried organic clay is _______ than the liquid limit of an air-dried organic clay.

0.8 times more

0.8 times less

0.7 times less

0.7 times more

Solution:

Loess deposits are formed by:

Physical disintegration of rock

Constant blowing of wind from the same direction

Vertical deposition of glacial till

Chemical weathering residual deposit

Solution:

A soil has a liquid limit of 60%, a plastic limit of 35%, and a shrinkage limit of 20%. The soil has a natural moisture content of 50%. The liquidity index of the soil is:

1.5

1.25

0.6

0.4

Solution:

If the specific gravity and density of water at 27°C of a soil sample were reported as 2.65 and 996.53 kg/m³, find the specific gravity at 48°C. The density of water at 48°C is 988.95 kg/m³.

2.50

2.53

2.67

2.70

Solution:

A soil sample which is in the supersaturated state has void ratio e₁ and water content w₁. When this soil sample reaches the solid state, the void ratio is e₂ and water content is w₂. Which of the following is correct?

e₁ > e₂

e₁ < e₂

e₁ = e₂

None of the above

Solution:

A synthetic sample of water is prepared by adding 100 mg Kaolinite (a clay mineral), 200 mg glucose, 168 mg NaCl, 120 mg MgS04, and 111 mg CaCl2 to 1 liter of pure water. The concentrations of total solids (TS) and fixed dissolved solids (FDS) respectively in the solution in rug/L are equal to

699 and 599

599 and 399

699 and 199

699 and 399

Solution:

An earth embankment is to be constructed with compacted cohesionless soil. The volume of the embankment is 5000 m³ and the target dry unit weight is 16.2 kN/m³. Three nearly sites (see figure below) have been identified from where the required soil can be transported to the constructed site. The void ratio (e) of different sites is shown in the figure. Assume the specific gravity of soil to be 2.7 for all sites. If the cost of transportation per km is twice the cost of excavation per m³ of borrow pits, which site would you choose as the most economic solution? (use unit weight of water = 10 kN/m³)

Site X

Site Y

Site Z

Any of the sites

Soil-mechanics Questions Set 42:

What is the sensitivity index for quick sand?

Solution:

When the soil is fully saturated, then there are no air voids present in it.

Solution:

If the water content in a soil sample is 45%, then the soil is said to be?

Solution:

The liquid limit of an oven-dried organic clay is _______ than the liquid limit of an air-dried organic clay.

Solution:

Loess deposits are formed by:

Solution:

A soil has a liquid limit of 60%, a plastic limit of 35%, and a shrinkage limit of 20%. The soil has a natural moisture content of 50%. The liquidity index of the soil is:

Solution:

If the specific gravity and density of water at 27°C of a soil sample were reported as 2.65 and 996.53 kg/m³, find the specific gravity at 48°C. The density of water at 48°C is 988.95 kg/m³.

Solution:

A soil sample which is in the supersaturated state has void ratio e₁ and water content w₁. When this soil sample reaches the solid state, the void ratio is e₂ and water content is w₂. Which of the following is correct?

Solution:

A synthetic sample of water is prepared by adding 100 mg Kaolinite (a clay mineral), 200 mg glucose, 168 mg NaCl, 120 mg MgS04, and 111 mg CaCl2 to 1 liter of pure water. The concentrations of total solids (TS) and fixed dissolved solids (FDS) respectively in the solution in rug/L are equal to

Solution:

Solution:

Related Question Sets:

Related Topics:

Soil-mechanics Questions Set 42:

What is the sensitivity index for quick sand?

Solution:

When the soil is fully saturated, then there are no air voids present in it.

Solution:

If the water content in a soil sample is 45%, then the soil is said to be?

Solution:

The liquid limit of an oven-dried organic clay is _______ than the liquid limit of an air-dried organic clay.

Solution:

Loess deposits are formed by:

Solution:

A soil has a liquid limit of 60%, a plastic limit of 35%, and a shrinkage limit of 20%. The soil has a natural moisture content of 50%. The liquidity index of the soil is:

Solution:

If the specific gravity and density of water at 27°C of a soil sample were reported as 2.65 and 996.53 kg/m³, find the specific gravity at 48°C. The density of water at 48°C is 988.95 kg/m³.

Solution:

A soil sample which is in the supersaturated state has void ratio e1 and water content w1. When this soil sample reaches the solid state, the void ratio is e2 and water content is w2. Which of the following is correct?

Solution:

A synthetic sample of water is prepared by adding 100 mg Kaolinite (a clay mineral), 200 mg glucose, 168 mg NaCl, 120 mg MgS04, and 111 mg CaCl2 to 1 liter of pure water. The concentrations of total solids (TS) and fixed dissolved solids (FDS) respectively in the solution in rug/L are equal to

Solution:

Solution:

Related Question Sets:

Related Topics:

A soil sample which is in the supersaturated state has void ratio e₁ and water content w₁. When this soil sample reaches the solid state, the void ratio is e₂ and water content is w₂. Which of the following is correct?