Pavement Analysis and Design Online Test

1. The transverse profile is evaluated in terms of ______

2. Which of the facts about ground-coupled GPR is not correct?

3. A soil sample is subjected to sieve analysis and the following data is obtained:
Percentage passing 0.074 mm sieve = 64%
Liquid limit = 53%
Plastic limit = 36%

4. Modulus of subgrade reaction is defined as pressure sustained per unit volume of subgrade.

5. Which of the below is not a typical stage of a mix?

6. If the traffic growth rate is not available, ______ is assumed to be the growth rate.

7. What is the equation used to find the PSI in rigid pavements?

8. Design the size of a dowel bar at the expansion joint for the following data:
Thickness of slab = 25 cm
Width of joint = 2.5 cm
Allowable flexural stress in bars = 1400 kg/cm²
Allowable shear stress in bars = 1000 kg/cm²
Allowable bearing stress in concrete = 100 kg/cm²

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

10. The degree of mixing is measured in terms of mixing efficiency.

11. When is the bitumen sample considered cracked in the spot test?

12. The wearing of the surface course along the path of the wheel results in ______

13. Premix carpet can be classified as open-graded and dense-graded.

14. Which are the two major parameters considered in the Marshall mix design?

15. Which of the below options represents the equation to compute the vertical stress under a uniformly distributed circular load?

16. What does LCF used for stabilization stand for?

17. Design a pavement using Burmister’s approach for a wheel load of 4100 kg and tyre pressure of 6 kg/cm² for an allowable deflection of 0.5 cm. The plate load test was conducted using a 30 cm diameter plate and the following observations were obtained:
For subgrade, pressure at 0.5 cm deflection = 1.2 kg/cm²
Over 15 cm thick base course, pressure at 0.5 cm deflection = 3.8 kg/cm²

18. Dummy joint is a type of which joint?

19. The vehicle operation cost is higher on hilly roads.

20. Soil compacted at optimum moisture content reduces swelling of the soil.

21. Soil cement cannot be used as a surface course.

22. Shelby tube samples can be used to determine the PVR value of materials. What does PVR mean?

23. In a drained test, the drainage is permitted during the application of ______

24. Which of the below is used as a check for the design of slab thickness?

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

26. Boulders are preferred in the construction of the base course because of their strength.

27. What is the minimum grade of concrete to be used in pavements?

28. Solubility test in bitumen is used to determine ______ of bitumen.

29. What would be the design repetitions for a period of 20 years equivalent to 2268 kg wheel load for the details of traffic survey conducted on a four-lane highway? The wheel load at which the design repetitions are to be found out is 3629 kg and the percentage of total traffic volume is 15.31%. The average daily traffic is found to be 250.

30. Which of the below represent the size range of medium gravel?

31. In what shape is the compressive strength distributed in a flexible pavement?

32. What is the name of the product that has a geosynthetic as well as another material in it?

33. Which type of steel forms are used for the placing of concrete?

34. What is the difference in elevation between the joints called?

35. Geotextiles can be placed in between two layers of the pavement to ______

36. Longer curing periods are found to decrease the strength of the soil-bitumen mix.

37. Softening test was performed on a bitumen sample and it was found out to be 62°. Which grade does it belong to?

38. Design a tie bar if the trial thickness of 30 cm was found safe. The other details are:
Width of the lane = 3.5 m.
Allowable working stress in concrete = 1250 kg/cm²
Unit weight of concrete = 2400 kg/m³
Coefficient of friction = 1.5
Allowable bond stress in plain bars = 17.5 kg/cm²
Allowable tensile stress in plain bars = 1250 kg/cm².

39. Which of the below options represents the different batches of the concrete materials?

40. Burmister’s method of pavement design is a type of ______ method.

41. Which type of auger is used for extracting the samples using the augering method?

42. IRC 37-1984 redesigned the CBR charts based on ______

43. The testing of parameters should be done in the proportion as ______ by the junior engineer, ______ by the executive engineer and ______ by the chief executive engineer.

44. In a one-layer system, the load is considered to be a point load.

45. The subgrade support in the McLeod method is calculated for ______ diameter plate and ______ deflection.

46. How is R-value related to C-value?

47. The design curves relating ______ with the characteristic deflection obtained from BBD studies in the code is used for overlay thickness determination.

48. Which of the below options represents the correct sequence of the stages in the hydration of cement?

49. Along which direction are the expansion joints provided?

50. ______ represents the strength of subgrade soil.