Explore topic-wise MCQs in Soil Mechanics.

This section includes 11 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.

___________ is a compatibility equation.

A. \(\frac{∂^2 ε_y}{∂y^2} +\frac{∂^2 ε_y}{∂x^2} = \frac{∂^2 Γ_{xy}}{∂x∂y}\)
B. \(\frac{∂^2 ε_x}{∂y^2} +\frac{∂^2 ε_y}{∂x^2} = \frac{∂^2 Γ_{xy}}{∂x∂y}\)
C. \(\frac{∂^2 ε_x}{∂y^2} +\frac{∂^2 ε_y}{∂x^2} = \frac{∂^2 Γ_{xy}}{∂x∂y}\)
D. \(\frac{∂^2 ε_x}{∂y^2} +\frac{∂^2 ε_y}{∂x^2} = \frac{∂^2 Γ_{xy}}{∂x∂y}\)
Answer» C. \(\frac{∂^2 ε_x}{∂y^2} +\frac{∂^2 ε_y}{∂x^2} = \frac{∂^2 Γ_{xy}}{∂x∂y}\)
2.

The compatibility equations are results of application of stress equations.

A. True
B. False
Answer» C.
3.

The linear strain of a diagonal is equal to half the sum shearing strain components.

A. True
B. False
Answer» B. False
4.

The strain tensor is given by ____________

A. \(\begin{pmatrix}ε_{xz} & ε_{xy} & ε_{xx} \\ε_{yx} & ε_{yz} & ε_{yy} \\ε_{zx} & ε_{zy} & ε_{zz}\end{pmatrix}\)
B. \(\begin{pmatrix}ε_{xy} & ε_{xx} & ε_{xz}\\ε_{yx} & ε_{yy} & ε_{yz}\\ε_{zy} & ε_{zz} & ε_{zz}\end{pmatrix}\)
C. \(\begin{pmatrix}ε_{xx} & ε_{xy} & ε_{xz}\\ε_{yx} & ε_{yy} & ε_{yz}\\ε_{zx} & ε_{zy} & ε_{zz}\end{pmatrix}\)
D. \(\begin{pmatrix}ε_{xx} & ε_{xy} & ε_{xz} \\ε_{yy} & ε_{yx} & ε_{yz} \\ε_{zz} & ε_{zy} & ε_{zx}\end{pmatrix}\)
Answer» D. \(\begin{pmatrix}ε_{xx} & ε_{xy} & ε_{xz} \\ε_{yy} & ε_{yx} & ε_{yz} \\ε_{zz} & ε_{zy} & ε_{zx}\end{pmatrix}\)
5.

The shearing strain component in Z-X plane is ________

A. \(Γ_{xz} =\frac{∂w}{∂y}+\frac{∂v}{∂z} \)
B. \(Γ_{xz} =\frac{∂v}{∂x}-\frac{∂w}{∂y} \)
C. \(Γ_{xz} =\frac{∂u}{∂z}+\frac{∂w}{∂x} \)
D. \(Γ_{xz} =\frac{∂v}{∂y}-\frac{∂w}{∂x} \)
Answer» D. \(Γ_{xz} =\frac{∂v}{∂y}-\frac{∂w}{∂x} \)
6.

The shearing strain component in Y-Z plane is ________

A. \(Γ_{yz} =\frac{∂w}{∂y}+\frac{∂v}{∂z} \)
B. \(Γ_{yz} =\frac{∂v}{∂x}-\frac{∂w}{∂y} \)
C. \(Γ_{yz} =\frac{∂v}{∂y}+\frac{∂w}{∂x} \)
D. \(Γ_{yz} =\frac{∂v}{∂y}-\frac{∂w}{∂x} \)
Answer» B. \(Γ_{yz} =\frac{∂v}{∂x}-\frac{∂w}{∂y} \)
7.

The shearing strain component in X-Y plane is ________

A. \(Γ_{xy}=\frac{∂v}{∂x}+\frac{∂u}{∂y} \)
B. \(Γ_{xy}=\frac{∂v}{∂x}-\frac{∂u}{∂y} \)
C. \(Γ_{xy}=\frac{∂v}{∂y}+\frac{∂u}{∂x} \)
D. \(Γ_{xy}=\frac{∂v}{∂y}-\frac{∂u}{∂x} \)
Answer» B. \(Γ_{xy}=\frac{∂v}{∂x}-\frac{∂u}{∂y} \)
8.

If w is the displacement in z-direction, the linear strain component in is defined by __________

A. \(ε_Z=\frac{∂w}{∂z}\)
B. \(ε_Z=\frac{∂z}{∂w}\)
C. \(ε_Z=\frac{dz}{dw}\)
D. εZ=z+w
Answer» B. \(ε_Z=\frac{∂z}{∂w}\)
9.

If v is the displacement in y-direction, the linear strain component in is defined by __________

A. \(ε_Y=\frac{∂v}{∂y}\)
B. \(ε_Y=\frac{∂y}{∂v}\)
C. \(ε_Y=\frac{dy}{dv}\)
D. εY=v+y
Answer» B. \(ε_Y=\frac{∂y}{∂v}\)
10.

If u is the displacement in x-direction, the linear strain component in is defined by __________

A. \(ε_X=\frac{∂u}{∂x}\)
B. \(ε_X=\frac{∂x}{∂u}\)
C. \(ε_X=\frac{dx}{du}\)
D. εX=x+u
Answer» B. \(ε_X=\frac{∂x}{∂u}\)
11.

There are __________ strain components for a three dimensional case.

A. 2
B. 3
C. 6
D. 8
Answer» D. 8