MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Pavement Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the British method of the mix design of the soil-cement mix based on? |
| A. | Stability |
| B. | Durability |
| C. | Compressive strength at 28 days |
| D. | Compressive strength at 7 days |
| Answer» E. | |
| 2. |
The percentage of soil particles passing 4.75 mm sieve must be ______ to be used in soil-cement. |
| A. | <50% |
| B. | >50% |
| C. | <40% |
| D. | >40% |
| Answer» C. <40% | |
| 3. |
Which formula gives the amount of cement required for soil stabilization if other parameters are given? |
| A. | (( frac{AHr_d}{100}) times( frac{p}{100+p}) ) |
| B. | (( frac{AHr_d}{100}) times( frac{p}{100-p}) ) |
| C. | (( frac{AHr_d}{100-p}) times( frac{p}{100+p}) ) |
| D. | (( frac{AHr_d}{100}) times( frac{p}{100}) ) |
| Answer» B. (( frac{AHr_d}{100}) times( frac{p}{100-p}) ) | |
| 4. |
It is necessary to maintain the water-cement ratio in the cement stabilization. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
By what mechanism does the cement stabilization take place in granular soils? |
| A. | Formation of matrix |
| B. | Reduction in plasticity |
| C. | Vibro compaction |
| D. | Hydration of cement |
| Answer» E. | |
| 6. |
Which of the below type of soil cement contains less amount of cement? |
| A. | Soil cement base |
| B. | Cement treated base |
| C. | Cement modified base |
| D. | Acrylic copolymer |
| Answer» D. Acrylic copolymer | |
| 7. |
Which of the below soil type and the amount of cement required pairs has been matched correctly? |
| A. | Gravel 15 to 20% |
| B. | Sand 7 to 12% |
| C. | Silt 12 to 15% |
| D. | Clay 12 to 20% |
| Answer» B. Sand 7 to 12% | |
| 8. |
Soil cement cannot be used as a surface course. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Cement stabilization cannot be used in which of the below soil types? |
| A. | Granular |
| B. | Silty |
| C. | Lean clay |
| D. | Organic |
| Answer» E. | |
| 10. |
Which of the below is not an additive used to improve the properties of soil cement? |
| A. | Magnesium sulphate |
| B. | Calcium chloride |
| C. | Sodium hydroxide |
| D. | Sodium carbonate |
| Answer» B. Calcium chloride | |