About Highway Engineering

Following are some of the multiple choice questions on the Highway Engineering with answers that will help the students in developing their knowledge.

Highway Engineering MCQ

1. Camber in the road is provided for

  • effective drainage
  • counteracting the centrifugal force
  • having proper sight distance
  • none of the above

2. Maximum number of vehicles can be parked with

  • parallel parking
  • 30° angle parking
  • 45° angle parking
  • 90° angle parking

3. Tie bars in cement concrete pavements are at

  • expansion joints
  • contraction joints
  • warping joints
  • longitudinal joints

4. Bottom most layer of pavement is known as

  • wearing course
  • base course
  • sub-base course
  • subgrade

5. The function of an expansion joint in rigid pavements is to

  • Relieve warping stresses
  • Relieve shrinkage stresses
  • Resist stresses due to expansion
  • Allow free expansion

6. In CBR test the value of CBR is calculated at

  • 2.5 mm penetration only
  • 5.0 mm penetration only
  • 7.5 mm penetration only
  • both 2.5 mm and 5.0 mm penetrations

7. Most suitable material for highway embankments is

  • granular soil
  • organic soil
  • silts
  • clays

8. The stopping sight distance depends upon

  • total reaction time of driver
  • speed of vehicle
  • efficiency of brakes
  • all of the above

9. Reaction time of a driver

  • increases with increase in speed
  • decreases with increase in speed
  • is same for all speeds
  • none of the above

10. The most efficient traffic signal system is

  • simultaneous system
  • alternate system
  • flexible progressive system
  • simple progressive system

11. The most suitable equipment for compacting clayey soils is a

  • smooth wheeled roller
  • pneumatic tyred roller
  • sheep foot roller
  • vibrator

12. Which of the following is considered to be the highest quality construction in the group of black top pavements?

  • Mastic asphalt
  • Sheet asphalt
  • Bituminous carpet
  • Bituminous concrete

13. Highway facilities are designed for

  • annual average hourly volume
  • annual average daily traffic
  • thirtieth highest hourly volume
  • peak hourly volume of the year

14. Enoscope is used to find

  • average speed
  • spot speed
  • space-mean speed
  • time-mean speed

15. The maximum limit of water absorption for aggregate suitable for road construction is

  • 0.4 %
  • 0.6 %
  • 0.8 %
  • 1.0 %

16. The maximum design gradient for vertical profile of a road is

  • ruling gradient
  • limiting gradient
  • exceptional gradient
  • minimum gradient

17. The ductility value of bitumen for suitability in road construction should not be less than

  • 30 cm
  • 40 cm
  • 50 cm
  • 60 cm

18. The camber of shoulders in water bound macadam roads is

  • equal to the cross slope of pavement
  • less than the cross slope of pavement
  • greater than the cross slope of pavement
  • zero

19. The critical combination of stresses for corner region in cement concrete roads is

  • Load stress + warping stress frictional stress
  • Load stress + warping stress + frictional stress
  • Load stress + warping stress
  • Load stress + frictional stress

20. Desire lines are plotted in

  • traffic volume studies
  • speed studies
  • accident studies
  • origin and destination studies

21. The fundamental factor in the selection of pavement type is

  • climatic condition
  • type and intensity of traffic
  • subgrade soil and drainage conditions
  • availability of funds for the construction project

22. Percentage of free carbon in bitumen is

  • more than that in tar
  • less than that in tar
  • equal to that in tar
  • none of the above

23. “Dead Slow” is a

  • regulatory sign
  • warning sign
  • informatory sign
  • none of the above

24. The absolute minimum radius of curve for safe operation for a speed of 110 kmph is

  • 110 m
  • 220 m
  • 440 m
  • 577 m

25. The provision of traffic signals at intersections

  • reduces right angled and rear end collisions
  • increases right angled and rear end collisions
  • reduces right angled collisions but may increase rear end collisions
  • reduces rear end collisions but may increase right angled collisions

26. The thickness of bituminous carpet varies from

  • 20 to 25 mm
  • 50 to 75 mm
  • 75 to 100 mm
  • 100 to 120 mm

27. If aggregate impact value is 20 to 30 percent, then it is classified as

  • exceptionally strong
  • strong
  • satisfactory for road surfacing
  • unsuitable for road surfacing

28. The ruling design speed on a National Highway in plain terrain as per IRC recommendations is

  • 60 kmph
  • 80 kmph
  • 100 kmph
  • 120 kmph

29. Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?

  • road side interview method
  • license plate method
  • return postcard method
  • home interview method

30. Which of the following premix methods is used for base course ?

  • bituminous carpet
  • mastic asphalt
  • sheet asphalt
  • bituminous bound macadam

31. When two equally important roads cross roughly at right angles, the suitable shape of central island is

  • circular
  • elliptical
  • tangent
  • turbine

32. If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

  • 3 %
  • 4%
  • 5 %
  • 6%

33. Which of the following is known as design capacity ?

  • basic capacity
  • theoretical capacity
  • possible capacity
  • practical capacity

34. The entrance and exit curves of a rotary have

  • equal radii and equal widths of pavement
  • equal radii but pavement width is more at entrance than at exit curve
  • equal pavement widths but radius is more at entrance curve than at exit curve
  • different radii and different widths of pavement

35. The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is

  • 0.1 %
  • 1 %
  • 10%
  • no compensation

36. The transition curve used in the horizontal alignment of highways as per IRC recommendations is

  • spiral
  • lemniscate
  • cubic parabola
  • any of the above

37. The attainment of super elevation by rotation of pavement about the inner edge of the pavement

  • is preferable in steep terrain
  • results in balancing the earthwork
  • avoids the drainage problem in flat terrain
  • does not change the vertical alignment of road

38. The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as

  • spot maps
  • pie charts
  • condition diagram
  • collision diagram

39. The desirable length of overtaking zone as per IRC recommendation is equal to

  • overtaking sight distance
  • two times the overtaking sight distance
  • three times the overtaking sight distance
  • five times the overtaking sight distance

40. In hill roads the side drains arc provided

  • only on the hill side of road
  • only on the opposite side of hill
  • on both sides of road
  • none of the above

41. The shoulder provided along the road edge should be

  • rougher than the traffic lanes
  • smoother than the traffic lanes
  • of same colour as that of the pavement
  • of very low load bearing capacity

42. Length of a vehicle affects

  • width of traffic lanes
  • extra width of pavement and minimum turning radius
  • width of shoulders and parking facilities
  • clearance to be provided under structures such as overbridges, under-bridges etc.

43. The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is

  • 8 cubic meter
  • 10 cubic meter
  • 12 cubic meter
  • 15 cubic meter

44. The terrain may be classified as rolling terrain if the cross slope of land is

  • upto 10%
  • between 10% and 25%
  • between 25% and 60%
  • more than 60%

45. The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as

  • stop lines
  • turn markings
  • crosswalk lines
  • lane lines

46. In highway construction on super elevated curves, the rolling shall proceed from

  • sides towards the centre
  • centre towards the sides
  • lower edge towards the upper edge
  • upper edge towards the lower edge

47. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is

  • 10 lux
  • 15 lux
  • 20 lux
  • 30 lux

48. The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is

  • 1000
  • 10000
  • 100000
  • 1000000

49. The shape of the camber, best suited for cement concrete pavements, is

  • straight line
  • parabolic
  • elliptical
  • combination of straight and parabolic

50. On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

  • more than the pressure on inner wheels
  • less than the pressure on inner wheels
  • equal to the pressure on inner wheels
  • zero

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