MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
When the pre-consolidation pressure p is greater than initial effective pressure 0 but smaller than effective pressure , then the final settlement is calculated on the basis of equation _________ |
| A. | ( _f=H frac{C_c}{1+e_o}log_{10} frac{ _p }{ _0}+H frac{C_c}{1+e_o}log_{10} frac{ }{ _p } ) |
| B. | ( _f=H frac{C_S}{1+e_o}log_{10} frac{ _p }{ _0}+H frac{C_S}{1+e_o}log_{10} frac{ }{ _p } ) |
| C. | ( _f= frac{C_S}{1+e_o}log_{10} frac{ _p }{ _0}+ frac{C_c}{1+e_o}log_{10} frac{ }{ _p } ) |
| D. | ( _f=H frac{C_S}{1+e_o}log_{10} frac{ _p }{ _0}+H frac{C_c}{1+e_o}log_{10} frac{ }{ _p } ) |
| Answer» E. | |
| 2. |
When the pre-consolidation pressure p is greater than initial effective pressure 0 but smaller than effective pressure , then the final settlement is calculated on the basis of ___________ |
| A. | settlement due to <sub>0</sub> to <sub>p</sub> using C<sub>S</sub> only |
| B. | settlement due to <sub>p</sub> to using C<sub>c</sub> only |
| C. | settlement due to <sub>0</sub> to <sub>p</sub> using C<sub>S</sub> and settlement due to <sub>p</sub> to using C<sub>c</sub> |
| D. | settlement due to to <sub>p</sub> using C<sub>c</sub> and settlement due to <sub>p</sub> to using C<sub>c</sub> |
| Answer» D. settlement due to to <sub>p</sub> using C<sub>c</sub> and settlement due to <sub>p</sub> to using C<sub>c</sub> | |
| 3. |
For a finite surface loading, the intensity of change in effective pressure decreases with depth of layer in linear manner. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
When the effective pressure is smaller than pre-consolidation pressure, the final settlement is ____________ |
| A. | ( _f=Hlog_{10} frac{ }{ _0} ) |
| B. | ( _f=H frac{C_c}{1+e_o} log_{10} frac{ }{ _0} ) |
| C. | ( _f=H frac{C_S}{1+e_o} log_{10} frac{ }{ _0} ) |
| D. | ( _f=H frac{1}{1+e_o} log_{10} frac{ }{ _0} ) |
| Answer» D. ( _f=H frac{1}{1+e_o} log_{10} frac{ }{ _0} ) | |
| 5. |
The recompression index Cs is________ compared to compression index Cc for pre-consolidated soils. |
| A. | small |
| B. | very small |
| C. | large |
| D. | very large |
| Answer» C. large | |
| 6. |
In case of pre-consolidated soil, the final settlement is ___________ |
| A. | small |
| B. | negligible |
| C. | large |
| D. | very large |
| Answer» B. negligible | |
| 7. |
In terms of compression index and voids ratio for normally consolidated soil, the final settlement is _________ |
| A. | ( _f=Hlog_{10} frac{ }{ _0} ) |
| B. | ( _f=H frac{C_c}{1+e_o} log_{10} frac{ }{ _0} ) |
| C. | ( _f= frac{C_c}{1+e_o} log_{10} frac{ }{ _0} ) |
| D. | ( _f=H frac{1}{1+e_o} log_{10} frac{ }{ _0} ) |
| Answer» C. ( _f= frac{C_c}{1+e_o} log_{10} frac{ }{ _0} ) | |
| 8. |
The compression index for normally consolidated soil is ____________ |
| A. | constant |
| B. | variable |
| C. | zero |
| D. | unity |
| Answer» B. variable | |
| 9. |
The final settlement in terms of voids ratio is given by ____________ |
| A. | ( _f= frac{e_o-e}{e_o}H ) |
| B. | ( _f= frac{e}{1+e_o}H ) |
| C. | ( _f= frac{e_o-e}{1+e_o} ) |
| D. | ( _f= frac{e_o-e}{1+e_o}H ) |
| Answer» E. | |
| 10. |
The relation between difference in thickness and voids ratio is given by ___________ |
| A. | ( H = frac{e_o-e}{1+e_o} ) |
| B. | ( frac{ H}{H_0} = frac{e_o-e}{1+e_o} ) |
| C. | (H_0 = frac{e_o-e}{1+e_o} ) |
| D. | ( frac{ H}{H_0} = frac{1}{1+e_o} ) |
| Answer» C. (H_0 = frac{e_o-e}{1+e_o} ) | |
| 11. |
In numerical integration of the equation, the total settlement of the layer is equal to _____________ |
| A. | product of individual settlements of the various thin layers |
| B. | sum of individual settlements of the various thin layers |
| C. | difference of individual settlements of the various thin layers |
| D. | division of individual settlements of the various thin layers |
| Answer» C. difference of individual settlements of the various thin layers | |
| 12. |
The numerical integration may be performed by _______________ |
| A. | dividing the total thickness H into a number of thin layers |
| B. | dividing the total thickness H into only two thin layers |
| C. | dividing the total thickness H by a factor |
| D. | excluding the thickness of the soil layer |
| Answer» B. dividing the total thickness H into only two thin layers | |
| 13. |
The integration of the equation ( _f= _0^Hm_v dz ) can be performed by _____________ |
| A. | numerical method only |
| B. | graphical method only |
| C. | both numerical method and graphical method |
| D. | can not be performed |
| Answer» D. can not be performed | |
| 14. |
In practical cases, the final consolidation settlement is calculated by the equation ___________ |
| A. | ( _f= _0^H m_v Hdz ) |
| B. | ( _f= _0^HH dz ) |
| C. | ( _f= _0^Hm_v H dz ) |
| D. | ( _f= _0^Hm_v dz ) |
| Answer» E. | |
| 15. |
Who conducted consolidation test on a number of clays from different parts of the world? |
| A. | Terzaghi |
| B. | Taylor |
| C. | Skempton |
| D. | Darcy |
| Answer» D. Darcy | |