Explore topic-wise MCQs in Soil Mechanics.

This section includes 13 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 maximum value of z on vertical line is ____________

A. (( _z)_{max}= frac{0.0888Q}{r^2} )
B. (( _z)_{max}= frac{0.0844Q}{z^4} )
C. (( _z)_{max}= frac{0.2733Q}{z^3} )
D. (( _z)_{max}= frac{0.4775Q}{z^3} )
Answer» B. (( _z)_{max}= frac{0.0844Q}{z^4} )
2.

The maximum value of z on vertical line is obtained at the point of intersection of vertical plane with radial line at the angle of ____________

A. 39 30
B. 39 45
C. 35 15
D. 39 15
Answer» E.
3.

The vertical stress is proportional to __________

A. ( frac{z^2}{K_B} )
B. ( frac{K_B}{z^2} )
C. ( frac{K_B}{z^3} )
D. ( frac{z^3}{K_B} )
Answer» C. ( frac{K_B}{z^3} )
4.

The vertical stress distribution diagram on a horizontal plane due to a concentrated load is known as the influence diagram if the load is ______

A. zero
B. unity
C. two units
D. three units
Answer» C. two units
5.

If the r/z ratio is 2, then the vertical pressure on a horizontal plane is given by _________

A. ( _z= frac{0.0085Q}{z^2} )
B. ( _z= frac{0.0844Q}{z^2} )
C. ( _z= frac{0.2733Q}{z^2} )
D. ( _z= frac{0.4775Q}{z^2} )
Answer» B. ( _z= frac{0.0844Q}{z^2} )
6.

If the r/z ratio is unity, then the vertical pressure on a horizontal plane is given by _________

A. ( _z= frac{0.56Q}{z^3} )
B. ( _z= frac{0.0844Q}{z^2} )
C. ( _z= frac{0.2733Q}{z^2} )
D. ( _z= frac{0.4775Q}{z^2} )
Answer» C. ( _z= frac{0.2733Q}{z^2} )
7.

If the r/z ratio is 0.5, then the vertical pressure on a horizontal plane is given by _________

A. ( _z= frac{0.56Q}{z^3} )
B. ( _z= frac{0.4775Q}{z^3} )
C. ( _z= frac{0.2733Q}{z^2} )
D. ( _z= frac{0.4775Q}{z^2} )
Answer» D. ( _z= frac{0.4775Q}{z^2} )
8.

The vertical pressure distribution on any horizontal plane at a depth z below the ground due to concentrated load is ___________

A. ( _z=K_B frac{Q}{z} )
B. ( _z=K_B frac{Q}{z^2} )
C. ( _z=K_B frac{z}{Q} )
D. ( _z=K_B frac{Q}{z^3} )
Answer» C. ( _z=K_B frac{z}{Q} )
9.

An isobar diagram consists of __________

A. family of isobars of various intensities
B. single isobar only
C. two isobars only
D. isobars of same intensities
Answer» B. single isobar only
10.

The zone of soil in isobar is called __________

A. stress diagram
B. contour
C. pressure bulb
D. isotherm
Answer» D. isotherm
11.

An isobar is a curved surface of the shape of _________

A. circular
B. rectangle
C. bulb
D. hexagon
Answer» D. hexagon
12.

An isobar is a curve connecting all points of _______ below the ground.

A. equal vertical pressure
B. unequal vertical pressure
C. equal horizontal pressure
D. unequal horizontal pressure
Answer» B. unequal vertical pressure
13.

____________ is not the vertical pressure distribution diagram, which can be prepared by Boussinesq s theory.

A. stress isobars
B. vertical pressure distribution on a horizontal plane
C. horizontal pressure distribution on a horizontal plane
D. vertical pressure distribution on a vertical plane
Answer» D. vertical pressure distribution on a vertical plane