Pavement Analysis and Design Online Test

1. In frost areas, the soil-bitumen stabilization can be done using tar.

2. Which step comes after the pulverization step in the FDR method?

3. Which of the below is not a type of liquid soil stabilizer?

4. Marshall mix design method was developed by ______ in the year ______

5. What is applied on the cleaned cracks to facilitate proper bonding of the sealant?

6. A rough pavement gives rise to ______ which causes discomfort to the passengers and the vehicle operators.

7. It is necessary to maintain the water-cement ratio in the cement stabilization.

8. Which of the below is not used in the micro-surfacing?

9. Which of the below is not a type of test performed on coarse aggregates in the rigid pavement for quality control?

10. There is no structural defect due to warping cracks.

11. What is the first step involved during the construction of subgrade?

12. What are the type of stresses induced due to the temperature change in the pavement?

13. In the construction process of surface dressing, which of the below is laid on the prepared base first?

14. Which of the below joints can be further classified into transverse and longitudinal?

15. What is the right equation to find the vertical deflection in the pavement?

16. Which of the below soil type and the amount of cement required pairs has been matched correctly?

17. Which of the below represents a safe design?

18. Which of the below is not a method to extract the rigid pavement for reusing as the base in flexible pavements?

19. What would be the centre to centre distance between the wheels if the clear gap between them is 70 mm and the radius of the contact area is 150 mm?

20. Which method is used to determine the most cost-effective design and construction procedure?

21. The result for soundness test is expressed in terms of ______

22. ______ deflection is obtained as the sum of mean rebound deflection and standard deviation.

23. What is the term used to evaluate the skid resistance of the pavement?

24. What test results is the North Dakota core method based on?

25. A geotextile is not good at which of the below functions?

26. Find the flexural strength of concrete of M40 grade using the equation given by Croney and Croney if crushed aggregates are used in the design of pavement.

27. What is the CBR value of the soil if the CBR value at 2.5 mm penetration is found to be 4.5% and that at 5 mm penetration is found to be 4.3%?

28. What is the temperature of the oven in the loss on heating test?

29. A cc slab of thickness 20 cm is constructed over a base of granular material with a modulus of reaction 10 kg/cm³. The maximum temperature differential between the top and bottom of the slab is found to be 19°C during summer day and night. The spacing between transverse joints is 8 m and the spacing between longitudinal joints is 4 m. The design wheel load is 5100 kg, radius of contact area is 15 cm, Poisson's ratio is 0.15, modulus of elasticity is 3×10⁵ kg/cm², the thermal coefficient is 10 ×10^-6 /°C and the coefficient of friction is 1.5. Using the above information, find the worst combination of stresses at the edge of the pavement.

30. Textural soil classification is based on which of the below options?

31. Smoother pavements give rise to more deflections on the pavement surface.

32. Which of the below is not an additive used for the lime stabilization of soil?

33. What is the equation to find the thickness of pavement using the R-value?

34. What is the other name for the hinged joints?

35. The cracks developed in the concrete pavement due to the freezing and thawing cycle of the aggregates is called S-cracking.

36. What indicates that the traffic is light traffic in case of group index design chart?

37. The evaluation of pavement deals with identifying the cause and doing necessary rehabilitation works.

38. The strength parameter generally used for soil is ______

39. Which of the below is considered to be much superior to other types of base course?

40. The presence of polished aggregates is a failure that is caused when the aggregates are not ______ in shape.

41. What is the main design criterion for designing the rigid pavement?

42. In how many layers is the perpetual pavement constructed?

43. What is the most commonly used modifier in case of highly plastic soil?

44. ______ represents the strength of subgrade soil.

45. Toughness is defined as the resistance to ______

46. ______ viscosity is the ratio between applied shear stress and the rate of shear.

47. Geosynthetics can be used in the pavement to resist the moisture intrusion into underlying layers.

48. What is the correction factor applied for a sample of thickness 63.5 cm in the Marshall mix design?

49. Which of the below is not an environmental factor to be considered for the design of pavements?

50. Which failure gives a shiny glass-like reflective surface on top of the pavement?