Soil Mechanics and Foundation - Interview Questions | Exam2Win

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41. If the water table rises upto ground surface, then the

A. effective stress is reduced due to decrease in total stress only but pore water pressure does not change

B. effective stress is reduced due to increase in pore water pressure only but total stress does not change

C. total stress is reduced due to increase in pore water pressure only but effec-tive stress does not change

D. total stress is increased due to de-crease in pore water pressure but effective stress does not change

Explanation:

42. When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as

A. negative

B. zero

C. non-plastic (NP)

D. 1

Explanation:

43. Quick sand is a

A. type of sand

B. flow condition occurring in cohesive soils

C. flow condition occurring in cohesionless soils

D. flow condition occurring in both cohesive and cohesionless soils

Explanation:

44. The water content of soil, which represents the boundary between plastic state and liquid state, is known as

A. liquid limit

B. plastic limit

C. shrinkage limit

D. plasticity index

Explanation:

45. Physical properties of a permeant which influence permeability are

A. viscosity only

B. unit weight only

C. both viscosity and unit weight

D. none of the above

Explanation: