MCQOPTIONS
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MCQOPTIONS
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%) | |
| 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. | |
| 3. |
The expansion index is also known as ___________ |
| A. | compressibility index |
| B. | compression index |
| C. | swelling index |
| D. | consolidation index |
| Answer» D. consolidation index | |
| 4. |
The expansion index is a curve on semi log plot. |
| A. | True |
| B. | False |
| Answer» C. | |
| 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} ) | |
| 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}} ) | |
| 7. |
The compression index is a dimensionless quantity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 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 | |
| 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 | |
| 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 | |
| 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. | |
| 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 | |
| 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 | |