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. |
In Harvard miniature compaction test, the soil is compacted by _______ |
| A. | vibration |
| B. | kneading action |
| C. | impact |
| D. | dynamic |
| Answer» C. impact | |
| 2. |
For same soil, the effect of heavier compaction is to ________ |
| A. | decrease the optimum water content |
| B. | decrease in the maximum dry density |
| C. | decrease in stability |
| D. | decrease in strength |
| Answer» B. decrease in the maximum dry density | |
| 3. |
For same soil, the effect of heavier compaction is in ________ |
| A. | increase in the maximum dry density |
| B. | decrease in the maximum dry density |
| C. | decrease in stability |
| D. | decrease in strength |
| Answer» B. decrease in the maximum dry density | |
| 4. |
The Modified Proctor test has its peak relatively towards ____________ in water content dry density curve. |
| A. | right |
| B. | left |
| C. | centre |
| D. | near origin |
| Answer» C. centre | |
| 5. |
The Modified Proctor test curve of the water content dry density curve lies __________ the SPT curve. |
| A. | above |
| B. | below |
| C. | left side |
| D. | right side |
| Answer» B. below | |
| 6. |
The free fall height of rammer in Modified Proctor test is __________ inches. |
| A. | 5 |
| B. | 12 |
| C. | 16 |
| D. | 18 |
| Answer» C. 16 | |
| 7. |
The weight of rammer in Modified proctor test is ______________ |
| A. | 4.5 kg |
| B. | 2.5 kg |
| C. | 18 lb |
| D. | 22 lb |
| Answer» B. 2.5 kg | |
| 8. |
In Modified Proctor test the number of layers of the soil is compacted is ___________ |
| A. | 1 |
| B. | 2 |
| C. | 5 |
| D. | 3 |
| Answer» D. 3 | |
| 9. |
The Modified Proctor test was standardised by ____________ |
| A. | IS |
| B. | AASHO |
| C. | ASCE |
| D. | CBR |
| Answer» C. ASCE | |
| 10. |
For a line showing the relation between water content and dry density for a constant degree of saturation is __________ |
| A. | ( _d= frac{G}{1+wG}S ) |
| B. | ( _d= frac{G _w}{wG}S ) |
| C. | ( _d= frac{ _w S}{1+wG} ) |
| D. | ( _d= frac{G _w}{1+ frac{wG}{S}} ) |
| Answer» E. | |
| 11. |
The zero air voids line is established by equation of __________ |
| A. | ( _d= frac{G}{1+wG} ) |
| B. | ( _d= frac{G _w}{wG} ) |
| C. | ( _d= frac{ _w}{1+wG} ) |
| D. | ( _d= frac{G _w}{1+wG} ) |
| Answer» E. | |
| 12. |
The zero air void line shows the _________ |
| A. | dry density as a function of water content for soil containing no air voids |
| B. | saturated density as a function of water content |
| C. | partially saturated density as a function of water content |
| D. | dry density as a function of specific gravity |
| Answer» B. saturated density as a function of water content | |
| 13. |
The theoretical maximum compaction for any given water content corresponds to ______ |
| A. | least specific gravity |
| B. | maximum specific gravity |
| C. | zero air void condition |
| D. | only air voids present without the presence of water |
| Answer» D. only air voids present without the presence of water | |
| 14. |
The zero air voids line is also known as ___________ |
| A. | density line |
| B. | saturation line |
| C. | specific gravity line |
| D. | unit weight line |
| Answer» D. unit weight line | |
| 15. |
The air voids line contains ___________ |
| A. | constant percentage air voids |
| B. | water voids |
| C. | varying percentage air voids |
| D. | specific gravity of solids |
| Answer» B. water voids | |