2. Clothoid is the ideal shape of a transition curve.
Correct : A. Agree
3. To prevent the development of excessive compressive stresses in the concrete pavements as a result of expansion caused by increase in temperature, the type of transverse joint provided is
Correct : C. expansion joint
4. Dead slow' is a
Correct : A. regulatory sign
5. A horizontal curve on a road provides
Correct : A. change in the direction
6. The higheay capacity is expressed in passenger car unit (PCU). According to IRC, for a passenger car, the PCU is
Correct : A. 1
7. In the absence of super-elevation on road along curves, pot holes are likely to occur at the
Correct : B. outer edge
8. Highway density is defined as the total number of vehicles
Correct : A. that can be accomodated on a unit length of the road
9. Level crossing' is a
Correct : B. warning sign
10. A cubic spiral is
Correct : A. superior
11. In Telford construction, the side portions were made up of only one layer of broken stones and levelled off to give a camber not greater than
Correct : B. 1 in 60
12. Steeper camber may cause deterioration of the central portion of the road surface.
Correct : A. Correct
13. The city roads which are meant for through traffic usually on a continuous route are known as
Correct : C. arterial streets
14. The maximum number of vehicles that can pass a vigen point on a lane during one hour without creating unreasonable delay, is known as practical capacity.
Correct : A. Yes
15. The importance of roads in a country is comparable to the veins in the human body.
Correct : A. Agree
16. The thickness of the parapet wall, on the valley side of the roadway, is usually kept as
Correct : C. 60 cm
17. The minimum length of a valley curve should be such that the head light beam sight distance is equal to the
Correct : A. stopping sight distance
18. An essential gradient, which has to be provided for the purpose of road drainage, is called
Correct : B. minimum gradient
19. A breast wall is usually constructed on the hill side of the roadway.
Correct : A. Agree
20. The maximum number of vehicles can be parked with
Correct : A. parallel parking
21. A circular curve may be a vertical curve.
Correct : B. No
22. The design criterion for the summit curves is the sight distance to be allowed on the highway.
Correct : A. Correct
23. The dowel bars are used in rigid pavements for
Correct : D. transferring load from one portion to another
24. A road within a city or town in called an urban road.
Correct : A. True
25. The most efficient traffic signal system is
Correct : C. flexible progressive system
26. The flexible pavement distribute the wheel load
Correct : B. through a set of layers to sub-grade
27. The shape of the camber provided for cement concrete pavement is
Correct : A. straight line
28. The Central Road Research Institute (C.R.R.I.) was started in Delhi, in
Correct : A. 1951
29. A cement grouted road is an example of
Correct : A. semi-rigid
30. Of all the forces stressing a concrete pavement, the most significant are those imposed by the
Correct : C. wheel loads
31. Super-elevation should not be
Correct : B. less
32. The highest point on road surface is called
Correct : A. crown
33. The foundation of a road is also called
Correct : C. either (a) or (b)
34. The average speed maintained by a vehicle over a particular stretch of road, while the vehicle is in motion, is known as
Correct : B. running speed
35. The group index method of designing flexible pavement is
Correct : A. an empirical method based on the physical properties of the sub-grade woil
36. Steep terrain is a terrain with cross-slope greater than 60 percent.
Correct : A. Correct
37. Transverse joints are provided at right-angles to the length of road.
Correct : A. Yes
38. Gradients more than the floating gradient result in the
Correct : B. increase
39. Longitudinal joints in concrete pavements
Correct : D. all of the above
40. The value of ruling gradient in hills, as recommended by Indian Roads Congress, is
Correct : B. 1 in 20
41. The selection of design curve in Wyoming method of flexible pavement design, is based upon
Correct : D. all of these
42. To prevent the overturning of a bullock cart on curves, the maximum value of super-elevation as prescribed by the Indian Roads Congress is
Correct : C. 1 in 15
43. According to IRC : 52-1973, the first stage for fixing up alignment of a hill road is
Correct : D. reconnaissance
44. Class-5 roads have a width of
Correct : C. 4.9 m
45. The suitable gradient within which the engineer must endeavour to design the road is called
Correct : B. ruling gradient
46. The colour of light used for visibility during fog is
Correct : B. yellow
47. In hill roads, minimum sight distance required is
Correct : A. stopping sight distance
48. A road sign is generally installed above the ground at a height of
Correct : A. 2.75 m to 2.80 m
49. In order to give satisfactory service throughout the year, the road surface should
Correct : D. all of these
50. Greater the super-elevation, more will be convenience to the slow moving traffic.
Correct : B. Wrong
51. The structure of a road is composed of
Correct : D. all of these
52. The joints, for forming satisfactory constituents of a concrete pavement, must
Correct : D. all of the above
53. As per IRC recommendations, the sub-grade or sub-base layer whatever underlies the concrete wearing slab, in concrete pavements, must confirm to the requirement that
Correct : D. all of the above
54. Highway capacity is defined as the total number of vehicles
Correct : B. that can pass a given point in a unit period of time
55. The sub-grade is the final load carrying part of the structure.
Correct : A. True
56. The stopping sight distance is always
Correct : B. less than
57. The purpose of traffic surveys is to
Correct : D. all of the above
58. The rate of rise or fall of the road surface along its length, is called
Correct : C. gradient
59. The traffic census is carried out to study
Correct : C. road parking
60. In case of multi-lane road, overtaking is generally permitted from
Correct : C. both sides
61. The gradient of a road depends upon the
Correct : D. all of these
62. The overall height of the vehicle determines the
Correct : E. Both (c) and (d)
63. A vertical curve on a road provides change in gradient.
Correct : A. Correct
64. The main advantage of providing transition curves on highways, is
Correct : D. all of the above
65. According to IRC : 52-1973, for a single lane National highway in a hilly area
Correct : D. all of the above
66. According to IRC recommendations, the width of transverse expansion joint should be
Correct : B. 20 mm
67. On horizontal and vertical curves, crossing sight distance must be provided to avoid any collision of two vehicles coming from opposite directions.
Correct : A. Agree
68. The parapet walls are usually required on the valley side of the roadway, in order to
Correct : B. properly guide the vehicles to the roadway
69. If the width of cariage way is 10 m and the outer edge is 40 cm higher than the inner edge, then the super-elevation required is
Correct : A. 1 in 25
70. A terrain with cross-slope less than 10 percent, is called
Correct : C. level terrain
71. The speed that a driver adopts on a highway depends on the
Correct : D. all of the above
72. A curve which consists of a single are connecting two straights is known as
Correct : A. simple circular curve
73. The longitudinal levels, in detailed survey of a hill road, should be taken at