MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the Standard Penetration Test, the split spoon sampler is penetrated into soil stratum by giving blows from a drop weight whose weight (in kg) and free fall (in cm) are respectively |
| A. | 65 and 75 |
| B. | 75 and 65 |
| C. | 65 and 30 |
| D. | 30 and 65 |
| Answer» B. 75 and 65 | |
| 2. |
Based on the rock mass rating (RMR), a rock having a value ranging between 41 - 60 will be rated as |
| A. | Very poor |
| B. | Poor |
| C. | Fair |
| D. | Good |
| E. | Very good |
| Answer» D. Good | |
| 3. |
In a core drilled for 100 m, the following fragments were obtained - 24 m, 12, 11, 9, 22, 8, 12 and loose rock. The RQD of the rock is |
| A. | 15% |
| B. | 81% |
| C. | 2% |
| D. | 22% |
| E. | 8% |
| Answer» C. 2% | |
| 4. |
During compaction the quantity of water at which the maximum density is obtained is known as: |
| A. | Half saturated soil |
| B. | Water content |
| C. | Optimum moisture content |
| D. | Saturated Oil |
| Answer» D. Saturated Oil | |
| 5. |
Consider the following statements related to the properties of a good quality soil sample:1. Area ratio should be low2. Cutting edge should be thick3. Inside clearance should be high4. Outside clearance should be lowWhich of the above statements are correct? |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 1 and 4 |
| Answer» E. | |
| 6. |
Auger boring is suited for which of the following exploratory strata? |
| A. | Partly saturated sands, silts and medium to stiff cohesive soils |
| B. | All types of soils and rocks except fissured rocks |
| C. | Practically all types of soils except hard and cemented soil or rock |
| D. | All types of soils and rocks except loose sands and soft sticky clays |
| Answer» B. All types of soils and rocks except fissured rocks | |
| 7. |
Mechanical stabilization requires |
| A. | Mixing of two or more types of natural soils |
| B. | Addition of chemical to soils |
| C. | Addition of lime to soils |
| D. | Addition of cementing material to soils |
| Answer» B. Addition of chemical to soils | |
| 8. |
For the following statements:P – The lateral stress in the soil while being tested in an oedometer is always at-rest.Q – For a perfectly rigid strip footing at deeper depths in a sand deposit, the vertical normal contact stress at the footing edge is greater than that at its center.R – The corrections for overburden pressure and dilatancy are not applied to measured SPT-N values in case of clay deposits.The correct combination of the statements is |
| A. | P – TRUE; Q – TRUE; R – TRUE |
| B. | P – FALSE; Q – FALSE; R – TRUE |
| C. | P – TRUE; Q – TRUE; R – FALSE |
| D. | P – FALSE; Q – FALSE; R – FALSE |
| Answer» B. P – FALSE; Q – FALSE; R – TRUE | |
| 9. |
In order to obtain a good quality of undisturbed soil the area ratio of the sampling tube should be |
| A. | 8% |
| B. | 16% |
| C. | 24% |
| D. | 32% |
| Answer» B. 16% | |
| 10. |
Match List-I (Type of exploration) with List-II (Soil profile) and select the correct answer using the codes given below the lists:List-IA. Diamond Core drillingB. Open pit excavationC. Uncased wash boringD.Cased boringList-II1. Medium-strong cohesive soils2. Soft cohesive soils and cohesionless soils, for large depths3. Rocky formation4. Exploration up to a shallow depth below ground level. |
| A. | A-3, B-4, C-1, D-2 |
| B. | A-4, B-3, C-2, D-1 |
| C. | A-3, B-1, C-4, D-2 |
| D. | A-2, B-3, C-4, D-1 |
| Answer» B. A-4, B-3, C-2, D-1 | |
| 11. |
Lime stabilisation of clayey soil generally leads to |
| A. | Decrease in shrinkage limit |
| B. | Decrease in plastic limit |
| C. | Increase in liquid limit |
| D. | Flocculation of particles |
| Answer» E. | |
| 12. |
Consider the following statements:1. A recovery ratio of less than 1 implies that the soil has compressed.2. A recovery ratio of greater than 1 implies that the soil has swelled.3. A recovery ratio of less than 1 implies that the soil has swelled.4. A recovery ratio of greater than 1 implies that the soil has compressed.Which of these statements is/are correct? |
| A. | 1 and 2 |
| B. | 1 only |
| C. | 3 and 4 |
| D. | 4 only |
| Answer» B. 1 only | |
| 13. |
Consider the following statements concerning engineering geology:1. Dams on sedimentary impervious strata dipping upstream will be unsafe.2. In general, igneous rocks are hard and are suitable for construction of large hydraulic structures.3. Construction of a major dam must be preceded by thorough geotechnical investigations.4. Construction of dams is never indicated in any active zone of seismicity.Which of the above statements are correct? |
| A. | 1 and 2 only |
| B. | 1 and 4 only |
| C. | 2 and 3 only |
| D. | 3 and 4 only |
| Answer» D. 3 and 4 only | |
| 14. |
For sampling saturated sands and other soft and wet soils satisfactorily, the most suitable soil sampler is ___ |
| A. | open drive thin-walled sampler |
| B. | standard split-spoon sampler |
| C. | stationary piston sampler |
| D. | rotary sampler |
| Answer» B. standard split-spoon sampler | |
| 15. |
Consider the following statements:I. All soils can be identified in the field by visual examination2. Fine-grained soils can be identified in the field by visual examination and touch.3. Fine-grained soils can be identified in the field by dilatancy test4. By visual examination, only coarse-grained soils can be identifiedWhich of the above statements are correct? |
| A. | I and 2 only |
| B. | 2 and 3 only |
| C. | 3 and 4 only |
| D. | I and 4 only |
| Answer» D. I and 4 only | |
| 16. |
In a rock core sampling method at site, the total length of drilling was 1.0 m in rocky strata. There were five intact pieces of rocks of lengths 150 mm, 200 mm, 75 mm, 50 mm, and 200 mm were collected. The value of Rock Quality Designation (RQD) for the rock sample is: |
| A. | 55.0% |
| B. | 67.5% |
| C. | 62.5% |
| D. | 40.0% |
| Answer» B. 67.5% | |