Explore topic-wise MCQs in Soil Mechanics.

This section includes 8 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 intensities of pressure below a point load where r=0 on axis of loading is ____________

A. ( _z= frac{0.4775Q}{z^2} )
B. ( _z= frac{0.7Q}{z^2} )
C. ( _z= frac{0.4775Q}{z^3} )
D. ( _z= frac{0.8Q}{z} )
Answer» B. ( _z= frac{0.7Q}{z^2} )
2.

The Boussinesq influence factor is given by ____________

A. (K_B= frac{3Q}{2 z} left[ frac{1}{1+( frac{r}{z})^2} right]^{5/2} )
B. (K_B= frac{3Q}{2 } left[ frac{1}{1+( frac{r}{z})^2} right]^{ frac{5}{2}} )
C. (K_B= frac{3}{2 } left[ frac{1}{1+( frac{r}{z})^2} right]^{ frac{5}{2}} )
D. (K_B= frac{3}{2 z} left[ frac{1}{1+( frac{r}{z})^2} right]^{ frac{5}{2}} )
Answer» D. (K_B= frac{3}{2 z} left[ frac{1}{1+( frac{r}{z})^2} right]^{ frac{5}{2}} )
3.

The Boussinesq equation representing the tangential stress is ___________

A. ( _{rz}= frac{3}{2 z^3} left[ frac{1}{1+( frac{r}{z})^2} right]^{5/2} )
B. ( _{rz}= frac{3Qr}{2 } left[ frac{1}{1+( frac{r}{z})^2} right]^5 )
C. ( _{rz}= frac{3Qr}{2 z^3} left[ frac{1}{1+( frac{r}{z})^2} right]^{ frac{5}{2}} )
D. ( _{rz}= frac{3Q}{2 z^3} left[ frac{1}{1+( frac{r}{z})^2} right]^2 )
Answer» D. ( _{rz}= frac{3Q}{2 z^3} left[ frac{1}{1+( frac{r}{z})^2} right]^2 )
4.

The Boussinesq equation representing the vertical stress is ___________

A. ( _z= frac{3}{2 } left[ frac{1}{1+( frac{r}{z})^2} right]^{5/2} )
B. ( _z= frac{3Q}{2 } left[ frac{1}{1+( frac{r}{z})^2} right]^5 )
C. ( _z= frac{3Q}{2 z^2} left[ frac{1}{1+( frac{r}{z})^2} right]^{ frac{5}{2}} )
D. ( _z= frac{3Q}{2 } left[ frac{1}{1+( frac{r}{z})^2} right]^2 )
Answer» D. ( _z= frac{3Q}{2 } left[ frac{1}{1+( frac{r}{z})^2} right]^2 )
5.

The Boussinesq equation representing the polar radial stress is ___________

A. ( _R= frac{3Q}{2} frac{cos u2061 }{R^2} )
B. ( _R= frac{3Q}{2 } frac{cos u2061 }{R^2} )
C. ( _R= frac{3Q}{2 } frac{cos u2061 }{R} )
D. ( _R= frac{3Q}{2 } frac{cos u2061 }{R^3} )
Answer» C. ( _R= frac{3Q}{2 } frac{cos u2061 }{R} )
6.

The assumption of Boussinesq equation is that the soil is ______________

A. elastic
B. semi-elastic
C. plastic
D. semi-plastic
Answer» B. semi-elastic
7.

The assumption made by Boussinesq in the solutions is by the ____________

A. theory of plasticity
B. theory of elasticity
C. yield point
D. failure point
Answer» C. yield point
8.

The problems due to stress distribution in soils due to a concentrated load was studied by _____________

A. G.B Airy
B. Terzaghi
C. Darcy
D. Boussinesq
Answer» E.