1. The void ratio for saturated soil is equal to the ........... of water content and specific of solids ?

sum

difference

product

ratio

Answer: product

Explanation:


2. The vertical deformation of soil mass consists of ?

deformation of soil grains

compression of pore fluid

reduction of pore space

all of these

Answer: all of these

Explanation:


3. According to Indian standards, the dispersing solution used in pipette method, for the determination of size of particle consists of ?

7 g sodium carbonate, 43 g sodium hexameta-phosphate and 1 litre distilled water

7 g sodium carbonate, 33 g sodium hexameta-phosphate and 1 litre distilled water

7 g sodium carbonate, 23 g sodium hexameta-phosphate and 1 litre distilled water

any one of the above

Answer: 7 g sodium carbonate, 33 g sodium hexameta-phosphate and 1 litre distilled water

Explanation:


4. Which of the following gives the correct decreasing order of the densities of a soil sample ?

Saturated, submerged, wet, dry

Saturated, wet, submerged, dry

Saturated, wet, dry, submerged

Wet, saturated, submerged, dry

Answer: Saturated, wet, dry, submerged

Explanation:


5. The equipotential line in a seepage through a soil medium is defined as the ?

path of particles of water through a saturated soil mass

line connecting points of equal head of water

flow of movement of fine particles of soil

direction of the flow particle

Answer: line connecting points of equal head of water

Explanation:


6. The neutral stress is ?

transmitted through the points of contact of the interconnected particles of soil

transmitted to the soil base through the pore water

independent of the depth of water above the soil mass

due to weight of soil particles

Answer: transmitted to the soil base through the pore water

Explanation:


7. The ultimate settlement of a soil ?

is directly proportional to the compression index

decreases with an increase in the initial void ratio

is directly proportional to the depth of the compressible soil mass

all of the above

Answer: all of the above

Explanation:


8. If the soil below the base of the footing is dry or moist, the confining pressure is approximately .......... the confining pressure available when the water table is at the base of the footing ?

equal to

double

three times

four times

Answer: double

Explanation:


9. Which of the following clay mineral gives maximum swelling ?

Kalonite

Montmorillonite

Illite

all of these

Answer: Montmorillonite

Explanation:


10. The ratio of the unconfined compressive strength of undisturbed soil to the unconfined compressive strength of soil in a remoulded state, is called ?

sensitivity

thixotropy

relative density

bulk density

Answer: sensitivity

Explanation: