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. |
The OBC corresponding to maximum stability, unit weight and 4% air voids are given as 5, 6 and 5.5. What is the OBC as per Marshall method? |
| A. | 5.5 |
| B. | 5 |
| C. | 6 |
| D. | 16.5 |
| Answer» B. 5 | |
| 2. |
The specimen for the stabilometer test is placed inside a ______ membrane in order to apply ______ |
| A. | Rubber, vertical pressure |
| B. | Polyurethane, vertical pressure |
| C. | Rubber, fluid pressure |
| D. | Polyurethane, fluid pressure |
| Answer» D. Polyurethane, fluid pressure | |
| 3. |
In the initial Hubbard-Field method, the specimen was 2 inches in diameter and it was subjected to heavy compaction. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
What is the temperature range to which bitumen is heated in the Marshall mix design? |
| A. | 175 190 C |
| B. | 121 145 C |
| C. | 154 160 C |
| D. | 138 149 C |
| Answer» C. 154 160 C | |
| 5. |
Which compaction device is used specifically in the Hveem mix design? |
| A. | Vibro tamper |
| B. | Rammer |
| C. | Drop hammer |
| D. | California kneading compactor |
| Answer» E. | |
| 6. |
As per the modified Hubbard-Field method, what is the criteria to find the optimum bitumen content? |
| A. | 3-4% voids in total mix |
| B. | 3-3.5% voids in total mix |
| C. | 3-4% voids in aggregates |
| D. | 3-3.5% voids in aggregates |
| Answer» C. 3-4% voids in aggregates | |
| 7. |
In the Hveem method what should be the desired limit of stabilometer value under light traffic? |
| A. | < 30 |
| B. | > 35 |
| C. | > 30 |
| D. | < 35 |
| Answer» D. < 35 | |
| 8. |
What is the correct formula for VFB? |
| A. | ( frac{100V_b}{VMA} ) |
| B. | ( frac{100V_v}{VMA} ) |
| C. | ( frac{V_b}{VMA} ) |
| D. | ( frac{V_v}{VMA} ) |
| Answer» B. ( frac{100V_v}{VMA} ) | |
| 9. |
Workability depends on the type of aggregate used. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
What is the correction factor applied for a sample of thickness 63.5 cm in the Marshall mix design? |
| A. | 0 |
| B. | 1.5 |
| C. | -1 |
| D. | 1 |
| Answer» E. | |