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 equation given by Skempton for compression index for a remoulded sample is ___________

A. C<sub>c</sub>=0.009(w<sub>L</sub>-10%)
B. C<sub>c</sub>=0.007(w<sub>L</sub>-10%)
C. C<sub>c</sub>=0.007(w<sub>L</sub>-20%)
D. C<sub>c</sub>=0.007(w<sub>L</sub>-30%)
Answer» C. C<sub>c</sub>=0.007(w<sub>L</sub>-20%)
Discussion
2.

The expansion curve is given by the expression ___________

A. (e_0=elog_{10} frac{ _0+ }{ _0} )
B. (e_0=e/C_s frac{ _0+ }{ _0} )
C. (e_0=e-C_s log_{10} frac{ _0+ }{ _0} )
D. (e_0=e+C_s log_{10} frac{ }{ _0} )
Answer» E.
Discussion
3.

The expansion index is also known as ___________

A. compressibility index
B. compression index
C. swelling index
D. consolidation index
Answer» D. consolidation index
Discussion
4.

The expansion index is a curve on semi log plot.

A. True
B. False
Answer» C.
Discussion
5.

The difference in voids ratio e of initial and increased pressure is given by __________

A. ( e=log_{10} frac{ _0+ }{ _0} )
B. ( e=C_c frac{ _0+ }{ _0} )
C. ( e=C_c log_{10} frac{ _0+ }{ _0} )
D. ( e=C_c log_{10} frac{ _0}{ _0} )
Answer» D. ( e=C_c log_{10} frac{ _0}{ _0} )
Discussion
6.

The compression index is given by _________

A. (C_c= frac{e_0-e}{log_{10} frac{ }{ _0}} )
B. (C_c= frac{e}{log_{10} frac{ }{ _0}} )
C. (C_c= frac{e_0-e}{ frac{ }{ _0}} )
D. (C_c= frac{e_0}{log_{10} frac{ }{ _0}} )
Answer» B. (C_c= frac{e}{log_{10} frac{ }{ _0}} )
Discussion
7.

The compression index is a dimensionless quantity.

A. True
B. False
Answer» B. False
Discussion
8.

In a semi logarithmic plot, the virgin compression curve becomes

A. straight line
B. parabolic curve
C. hyperbolic curve
D. elliptical curve
Answer» B. parabolic curve
Discussion
9.

The virgin compression curve is the curve between _______________

A. voids ratio and effective pressure
B. effective pressure and total pressure
C. effective pressure and pore pressure
D. total pressure and total pressure
Answer» B. effective pressure and total pressure
Discussion
10.

If a soil is confined in a consolidometer, then at equilibrium stage, the applied pressure is equal to ____________

A. zero
B. effective pressure
C. total pressure
D. pore pressure
Answer» C. total pressure
Discussion
11.

After the hydrostatic pressure is reduced to zero, some compression of soil takes place by the process of _________

A. effective pressure
B. load increment
C. primary consolidation
D. secondary consolidation
Answer» E.
Discussion
12.

The reduction in volume of soil which is due to squeezing out of water from the voids is __________

A. effective pressure
B. load increment
C. primary consolidation
D. secondary consolidation
Answer» D. secondary consolidation
Discussion
13.

The delay caused in consolidation by the slow drainage of water out of a saturated soil mass is called as __________

A. hydrodynamic lag
B. hydrodynamic pressure
C. hydrostatic pressure
D. pore pressure
Answer» B. hydrodynamic pressure
Discussion