MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 temperature at which softening point test has a different procedure? |
| A. | 90°C |
| B. | 80°C |
| C. | 75°C |
| D. | 65°C |
| Answer» C. 75°C | |
| 2. |
What is the speed of rotation of stirrer used in flash and fire point test for cut-back bitumen? |
| A. | 90 rpm |
| B. | 60 rpm |
| C. | 70 rpm |
| D. | 50 rpm |
| Answer» D. 50 rpm | |
| 3. |
What is the temperature of the oven in the loss on heating test? |
| A. | 163°C |
| B. | 153°C |
| C. | 110°C |
| D. | 120°C |
| Answer» B. 153°C | |
| 4. |
There are two methods to find the specific gravity of bitumen. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Kinematic viscosity is related to absolute viscosity by ______ |
| A. | Volume |
| B. | Mass |
| C. | Weight |
| D. | Density |
| Answer» E. | |
| 6. |
What does TSR stand for? |
| A. | Temporary Softening Rate |
| B. | Thermal Sensitivity Ratio |
| C. | Terminal Strength Rate |
| D. | Tensile Strength Ratio |
| Answer» E. | |
| 7. |
The dial reading after conducting a penetration test is found to be 73. What is the penetration value of the sample? |
| A. | 730 mm |
| B. | 73 mm |
| C. | 7.3 mm |
| D. | 0.73 mm |
| Answer» D. 0.73 mm | |
| 8. |
Bitumen having a higher softening point is preferred in hot climates. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
What is the orifice size and temperature for testing cut-back bitumen using orifice viscometer? |
| A. | 4 mm at 25°C |
| B. | 10 mm at 45°C |
| C. | 4 mm at 45°C |
| D. | 10 mm at 50°C |
| Answer» B. 10 mm at 45°C | |
| 10. |
At what speed is the specimen pulled in the ductility test? |
| A. | 50 cm per minute vertically |
| B. | 50 mm per minute horizontally |
| C. | 50 mm per minute vertically |
| D. | 50 cm per minute horizontally |
| Answer» C. 50 mm per minute vertically | |
| 11. |
When is the bitumen sample considered cracked in the spot test? |
| A. | Spot spreads |
| B. | Spot with uniform colour |
| C. | Spot fades |
| D. | Spot with varying colour |
| Answer» E. | |
| 12. |
What are the acceptable viscosity limits for bitumen emulsion RS-2 when tested using saybolt furol viscometer? |
| A. | 30 – 150 |
| B. | 20 – 100 |
| C. | 50 – 300 |
| D. | 100 – 300 |
| Answer» E. | |
| 13. |
The formula to calculate the specific gravity of bitumen is given by \(\frac{c-a}{(b-a)-(d-c)}\). Which of the below symbol and explanations is incorrect? |
| A. | a – weight of specific gravity bottle |
| B. | b – weight of specific gravity bottle filled with distilled water |
| C. | }\). Which of the below symbol and explanations is incorrect?a) a – weight of specific gravity bottleb) b – weight of specific gravity bottle filled with distilled waterc) c – weight of specific gravity bottle filled with bituminous material |
| D. | d – weight of specific gravity bottle half filled with bituminous material and rest with water |
| Answer» D. d – weight of specific gravity bottle half filled with bituminous material and rest with water | |
| 14. |
What is the standard load applied to the sample when the needle is immersed in the penetration test? |
| A. | 100 mg |
| B. | 100 g |
| C. | 200 mg |
| D. | 200 g |
| Answer» C. 200 mg | |
| 15. |
Solubility test in bitumen is used to determine ______ of bitumen. |
| A. | Contamination |
| B. | Solubility |
| C. | Dispersion |
| D. | Composition |
| Answer» B. Solubility | |