MCQOPTIONS
Saved Bookmarks
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. |
In practical case under a finite surface loading the intensity ______ with depth of layer. |
| A. | decreases |
| B. | increases |
| C. | remains constant |
| D. | has negligible effect |
| Answer» B. increases | |
| 2. |
The consolidation settlement f for a soil stature of thickness H that has fully consolidated index, a pressure increment with respect to mv is given by ____________ |
| A. | <sub>f</sub>=m<sub>v</sub> H |
| B. | <sub>f</sub>=H |
| C. | <sub>f</sub>=m<sub>v</sub> H |
| D. | <sub>f</sub>=m<sub>v</sub> |
| Answer» D. <sub>f</sub>=m<sub>v</sub> | |
| 3. |
The consolidation settlement can be computed by ______ |
| A. | using coefficient of volume change only |
| B. | using voids ratio only |
| C. | using both Using coefficient of volume change and voids ratio |
| D. | using compression index only |
| Answer» D. using compression index only | |
| 4. |
The minus sign in the change expression for change in thickness H = -mv Ho denotes ______ |
| A. | thickness decreases with increase in pressure |
| B. | thickness decreases with decrease in pressure |
| C. | thickness increases with increase in pressure |
| D. | thickness does not changewith increase in pressure |
| Answer» B. thickness decreases with decrease in pressure | |
| 5. |
The change in thickness due to pressure increment is given by ______ |
| A. | H = -m<sub>v</sub> H<sub>o</sub> |
| B. | H = -m<sub>v</sub> |
| C. | H = -m<sub>v</sub> H<sub>o</sub> |
| D. | H = -H<sub>o</sub> |
| Answer» B. H = -m<sub>v</sub> | |
| 6. |
The coefficient of volume change with respect to thickness is given by ______ |
| A. | (m_v= H frac{1}{ } ) |
| B. | (m_v= frac{- H}{H_0} ) |
| C. | (m_v= frac{- H}{H_0} frac{1}{e} ) |
| D. | (m_v= frac{- H}{H_0} frac{1}{ } ) |
| Answer» E. | |
| 7. |
When the soil is laterally confined, the changes in volume is ______ |
| A. | proportional to change in thickness H |
| B. | inversely proportional to change in thickness H |
| C. | equal to change in thickness H |
| D. | does not depend upon the thickness |
| Answer» B. inversely proportional to change in thickness H | |
| 8. |
The relation between mv and av is __________ |
| A. | (m_v= frac{a_v}{e_0} ) |
| B. | (m_v= frac{a_v}{1+ } ) |
| C. | (m_v= frac{a_v}{1+e_0} ) |
| D. | (m_v= frac{1}{e_0} frac{a_v}{1+e_0} ) |
| Answer» D. (m_v= frac{1}{e_0} frac{a_v}{1+e_0} ) | |
| 9. |
The coefficient of volume change mv is given by ______ |
| A. | (m_v= frac{1}{ } ) |
| B. | (m_v= frac{- e}{1+e_o} ) |
| C. | (m_v= frac{- e}{1+e_o} frac{1}{ } ) |
| D. | (m_v= frac{- e}{1+e_o} frac{1}{ } ) |
| Answer» E. | |
| 10. |
The coefficient of volume change mv is also known as ______________ |
| A. | coefficient of compressibility |
| B. | coefficient of volume compressibility |
| C. | compression index |
| D. | expansion index |
| Answer» C. compression index | |
| 11. |
For a given difference in pressure, the value of av _______ as pressure increases. |
| A. | increases |
| B. | decreases |
| C. | is same |
| D. | becomes unity |
| Answer» C. is same | |
| 12. |
The coefficient of compressibility av is given by _____________ |
| A. | (a_v=- frac{e_0}{ } ) |
| B. | (a_v=- frac{ }{ e} ) |
| C. | a<sub>v</sub>=- e |
| D. | (a_v=- frac{ e}{ ^{ }} ) |
| Answer» E. | |
| 13. |
The equation for pre-compressed soil given by Hough (1957) 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>=0.3(e<sub>0</sub>-0.27) |
| D. | C<sub>c</sub>=0.007(w<sub>L</sub>-30%) |
| Answer» D. C<sub>c</sub>=0.007(w<sub>L</sub>-30%) | |
| 14. |
The Cc for ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is given by ______ |
| 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» B. C<sub>c</sub>=0.007(w<sub>L</sub>-10%) | |
| 15. |
For an ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is roughly equal to __________ the compression index of remolded sample. |
| A. | 1.3 |
| B. | 2.3 |
| C. | 3.3 |
| D. | 4.3 |
| Answer» B. 2.3 | |