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 partial differential of normal stress in x-direction in terms of effective stress is given by __________

A. ( frac{ _x{ }}{ x} )
B. ( frac{ _x{ }}{ x}- _w frac{ h}{ x} )
C. ( frac{ _x{ }}{ x}+ _w frac{ h}{ x} )
D. ( frac{ _x{ }}{ x}* _w frac{ h}{ x} )
Answer» D. ( frac{ _x{ }}{ x}* _w frac{ h}{ x} )
Discussion
2.

The normal stress in z-direction in terms of effective stress is given by __________

A. <sub>z</sub>= <sub>w</sub>(h-h<sub>e</sub>)
B. <sub>z</sub>= <sub>z</sub>
C. <sub>z</sub>= <sub>z</sub> + <sub>w</sub>(h-h<sub>e</sub>)
D. <sub>z</sub>= <sub>z</sub> - <sub>w</sub>(h-h<sub>e</sub>)
Answer» D. <sub>z</sub>= <sub>z</sub> - <sub>w</sub>(h-h<sub>e</sub>)
Discussion
3.

The normal stress in y-direction in terms of effective stress is given by __________

A. <sub>y</sub>= <sub>y</sub> - <sub>w</sub>(h-h<sub>e</sub>)
B. <sub>y</sub>= <sub>y</sub> + <sub>w</sub>(h-h<sub>e</sub>)
C. <sub>y</sub>= <sub>y</sub> / <sub>w</sub>(h-h<sub>e</sub>)
D. <sub>y</sub>= <sub>y</sub> * <sub>w</sub>(h-h<sub>e</sub>)
Answer» C. <sub>y</sub>= <sub>y</sub> / <sub>w</sub>(h-h<sub>e</sub>)
Discussion
4.

The normal stress in x-direction in terms of effective stress is given by __________

A. <sub>x</sub>= <sub>x</sub> + <sub>w</sub>(h-h<sub>e</sub>)
B. <sub>x</sub>= <sub>x</sub> * <sub>w</sub>(h-h<sub>e</sub>)
C. <sub>x</sub>= <sub>x</sub> - <sub>w</sub>(h-h<sub>e</sub>)
D. <sub>x</sub>= <sub>x</sub>
Answer» B. <sub>x</sub>= <sub>x</sub> * <sub>w</sub>(h-h<sub>e</sub>)
Discussion
5.

The equilibrium equations in terms of total stresses formed by summing all forces on z-direction is ________

A. ( frac{ _x}{ x} + frac{ _{yx}}{ y} + frac{ _{zx}}{ z} +Z=0 )
B. ( frac{ _{xy}}{ x}+ frac{ _y}{ y}+ frac{ _{zy}}{ z}=0 )
C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} + =0 )
D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Answer» D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Discussion
6.

The equilibrium equations in terms of total stresses formed by summing all forces on y-direction is ________

A. ( frac{ _x}{ x} + frac{ _{yx}}{ y} + frac{ _{zx}}{ z} +X=0 )
B. ( frac{ _{xy}}{ x}+ frac{ _y}{ y}+ frac{ _{zy}}{ z}=0 )
C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} +Z=0 )
D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Answer» C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} +Z=0 )
Discussion
7.

The equilibrium equations in terms of total stresses formed by summing all forces on x-direction is ________

A. ( frac{ _x}{ x} + frac{ _{yx}}{ y} + frac{ _{zx}}{ z} +X=0 )
B. ( frac{ _{xy}}{ x} + frac{ _y}{ y} + frac{ _{zy}}{ z}+Y=0 )
C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} +Z=0 )
D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Answer» E.
Discussion
8.

The three equations of static equilibrium of the problem of elasticity are not sufficient to solve the six unknown stress components.

A. True
B. False
Answer» B. False
Discussion
9.

The problem of elasticity is _________

A. strictly determinate
B. strictly indeterminate
C. in some cases indeterminate
D. cannot be classified as determinate or indeterminate
Answer» C. in some cases indeterminate
Discussion
10.

The equilibrium equation obtained by summing all forces on z-direction is ________

A. ( frac{ _x}{ x} + frac{ _{yx}}{ y} + frac{ _{zx}}{ z} +X=0 )
B. ( frac{ _{xy}}{ x} + frac{ _y}{ y} + frac{ _{zy}}{ z}+Y=0 )
C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} +Z=0 )
D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Answer» D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Discussion
11.

The equilibrium equation obtained by summing all forces on y-direction is ________

A. ( frac{ _x}{ x} + frac{ _{yx}}{ y} + frac{ _{zx}}{ z} +X=0 )
B. ( frac{ _{xy}}{ x} + frac{ _y}{ y} + frac{ _{zy}}{ z}+Y=0 )
C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} +Z=0 )
D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Answer» C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} +Z=0 )
Discussion
12.

The equilibrium equation obtained by summing all forces on x-direction is ________

A. ( frac{ _x}{ x} + frac{ _{yx}}{ y} + frac{ _{zx}}{ z} +X=0 )
B. ( frac{ _{xy}}{ x} + frac{ _y}{ y} + frac{ _{zy}}{ z}+Y=0 )
C. ( frac{ _{xz}}{ x} + frac{ _{yz}}{ y} + frac{ _z}{ z} +Z=0 )
D. ( frac{ _x}{ x}+ frac{ _{yx}}{ y} + frac{ _{zx}}{ z} = 0 )
Answer» B. ( frac{ _{xy}}{ x} + frac{ _y}{ y} + frac{ _{zy}}{ z}+Y=0 )
Discussion