Explore topic-wise MCQs in Soil Mechanics.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Soil Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

The rate of change of velocity along the depth of layer is ___________

A. ( frac{ v}{ z}= frac{1}{ _w} frac{ ^2 overline{u}}{ z^2} )
B. ( frac{ v}{ z}= frac{k}{ _w} frac{ overline{u}}{ z^2} )
C. ( frac{ v}{ z}= frac{ ^2 overline{u}}{ z^2} )
D. ( frac{ v}{ z}= frac{k}{ _w} frac{ ^2 overline{u}}{ z^2} )
Answer» E.
2.

The velocity with which the excess pore water flows is _________

A. (v= frac{k}{2} frac{ overline{u}}{ z} )
B. (v= frac{1}{ _w} frac{ overline{u}}{ z} )
C. (v= frac{k}{ _w} frac{ overline{u}}{ z} )
D. (v= frac{ overline{u}}{ z} )
Answer» D. (v= frac{ overline{u}}{ z} )
3.

The rate of change of pore water pressure along the depth of layer represents ____________

A. seepage pressure
B. seepage stress
C. hydraulic gradient
D. permeability of the soil
Answer» D. permeability of the soil
4.

The hydraulic gradient in terms of pore water pressure is given by _________

A. (i= frac{ _w overline{u} h}{ z} )
B. (i= frac{ overline{u} h}{ _w z} )
C. (i= frac{ overline{u} h}{ z} )
D. (i= frac{1}{ _w} frac{ overline{u}}{ z} )
Answer» E.
5.

In one-dimensional consolidation, secondary consolidation is __________

A. considered at the start of test
B. considered at the middle of test
C. considered at the end of test
D. disregarded
Answer» E.
6.

In Terzaghi s Theory of one dimensional consolidation, the time lag in consolidation is ___________

A. due to permeability of soil and viscosity of water or fluid
B. due entirely to seepage pressure of water
C. due entirely to permeability of soil
D. due entirely to viscosity of water or fluid
Answer» D. due entirely to viscosity of water or fluid
7.

In Terzaghi s Theory of one dimensional consolidation, the change in thickness of a layer during consolidation is ___________

A. significant
B. insignificant
C. large
D. very large
Answer» C. large
8.

In Terzaghi s Theory of one dimensional consolidation, the boundary is considered to be __________

A. free surface offering resistance to flow of water
B. free surface offering no resistance to flow of water
C. fixed surface offering resistance to flow of water
D. curved surface offering resistance to water flow
Answer» C. fixed surface offering resistance to flow of water
9.

In Terzaghi s Theory of one dimensional consolidation, excess pore water drains out in __________

A. horizontal direction only
B. tangential direction only
C. vertical direction only
D. both horizontal and vertical direction
Answer» D. both horizontal and vertical direction
10.

In Terzaghi s Theory of one dimensional consolidation, soil is restrained against lateral deformation.

A. True
B. False
Answer» B. False
11.

In Terzaghi s Theory of one dimensional consolidation, the deformation occurs in __________

A. one direction only
B. two directions only
C. three directions only
D. none of the direction
Answer» B. two directions only
12.

In Terzaghi s Theory of one dimensional consolidation, load is applied in _____________

A. one direction only
B. two directions only
C. three directions only
D. none of the direction
Answer» B. two directions only