Correct : C. a continuous curve either parabolic or ellptical
2. A camber consisting of two straight slopes joining at the centre is called
Correct : B. sloped camber
3. In India, a curve is expressed in terms of angle in degrees subtended to the centre by an arc of
Correct : B. 30 m
4. The rate of change of radial acceleration governs the
Correct : A. length of a transition curve
5. If R is the radius of curvature of a hill road, the maximum grade compensation (in percentage) is equal to
Correct : B. 75/R
6. The Border Roads Development Board was established in
Correct : D. 1960
7. On cement concrete roads, the comber generally provided is 1 in 70 to 1 in 80.
Correct : A. Agree
8. The longest distance at which a driver, whose line of sight is 1.2 m above the road surface, can see the top of an object 10 cm high on the surface of road, is called
Correct : B. stopping or non-passing sight distance
9. Roads only meant for slow moving traffic
Correct : B. must not
10. The flexible pavements have self-healing properties.
Correct : A. Right
11. At a road junction,
Correct : D. 16
12. On kankar road, the camber generally provided is
Correct : A. 1 in 24 to 1 in 30
13. Carriage-way is protected by
Correct : B. 1.25 to 2 m
14. The overall length of the vehicle effects the
Correct : D. all of these
15. The maximum spacing of contraction joints in unreinforced concrete slabs for a slab thickness of 20 cm is
Correct : A. 4.5 m
16. When the bearing capacity of soil is poor and the intensity of traffic is high, an additional layer is provided between the soling and sub-grade. This additional layer is called
Correct : B. sub-base
17. The type of transition curve recommended by the IRC is
Correct : B. cubic spiral
18. The reason for providing curves on a highway is
Correct : D. all of the above
19. Traffic-actuated signals may be
Correct : D. all of these
20. According to IRC, the minimum length of the summit or valley curve should not be less than
Correct : A. one-half
21. The value of ruling gradient in plain, as recommended by Indian Roads Congress, is
Correct : C. 1 in 30
22. For walls less than 6 m in height, the thickness of the retaining wall at the bottom is equal to
Correct : C. 0.4 times the height
23. The value of group index of a soil varies from
Correct : B. 0 to 20
24. The strength and durability of a road depends upon its sub-grade.
Correct : A. True
25. If the traffic detectors are used on all the approaches to an intersection, the control signal is known as
Correct : A. full traffic-actuated signal
26. The joints, parallel to the centre-line of the road, are called
Correct : A. longitudinal joints
27. The longitudinal joints may be
Correct : D. all of these
28. The shape of a vertical curve is
Correct : A. parabolic
29. An gradient on a road is said to be an exceptional gradient if its is
Correct : A. less than the minimum gradient
30. The length of the tangent of a simple curve having angle of deflection ? and radius of curvature R, is equal to
Correct : C. R tan ?/2
31. A complete signal-time cycle constitutes
Correct : D. all of these
32. Alignment of a road is finally decided on the basis of
Correct : B. field survey
33. A curve at the ridge of a hill having a convex shape is called a
Correct : D. salient curve
34. The super structure of a road is called
Correct : D. any one of these
35. The natural soil on which the pavement rests and to which the entire load of structure is ultimately transferred, is known as the
Correct : C. sub-grade of road
36. For jeepable roads, the width of pavement adopted is
Correct : A. 3 m
37. According to Indian Roads Congress, the maximum width of a road vehicle is
Correct : B. 2.25 m
38. The longitudinal joint in concrete pavements, as recommended by IRC, is of
Correct : B. butt type
39. The major function of reinforcement, in concrete pavements, is
Correct : C. to control the development of cracks
40. The volume of traffic, that would immediately use a new or an improved road when opened to traffic, is known as
Correct : C. current traffic
41. The longitudinal joints are provided when the width of road is more than
Correct : B. 4 m
42. The Motor Vehicle Act was enacted in
Correct : C. 1939
43. The average number of vehicles per day passing on a section of the road during a particular year, is called
Correct : B. average daily traffic
44. The reaction time of a driver
Correct : C. decreases
45. The fundamental condition for a perfect transition curve is that radius of curvature at any point should be
Correct : B. inversely
46. The traffic capacity of a highway is always
Correct : B. more
47. National Highways Act, 1956 came into force from
Correct : A. 15th April, 1957
48. Super-elevation is expressed as
Correct : A. the difference of heights of two edges of the carriage-way to the width of the carriage-way
49. Design of both summit and valley curves is based on the assumption that the
Correct : D. all of the above
50. A parapet well is usually constructed on the
Correct : B. valley side
51. Summit curves are required to be introduced at the situations where
Correct : D. all of the above
52. Class-9 roads are designed to carry
Correct : C. 3-tonne vehicles
53. Which of the following statement is wrong?
Correct : A. Where the traffic flow is uninterrupted, the design capacity of a road is numerically equal to practical capacity.
54. The stopping sight distance depends upon the
Correct : D. all of these
55. The parking of vehicles is usually preferred at 75? to the aisles.
Correct : A. True
56. Kautilya got constructed a National Highway connecting North West Fronter Province and Patna in about.
Correct : B. 300 B.C.
57. In large cities, especially in congested areas, one way streets are provided in order to
Correct : D. all of the above
58. The camber, for the drainage of surface water, was first introduced by
Correct : B. Tresaguet
59. For transportation purposes in India, the first preference is given to
Correct : B. roads
60. Which of the following statement is wrong?
Correct : D. none of the above
61. The slope of the line joining the crown and edge of the road surface is known as
Correct : D. any one of these
62. For the water-bound macadam road, the recommended camber is
Correct : B. 1 in 30 to 1 in 48
63. The total rise or fall between any two points chosen on the alignment divided by the horizontal distance between the two points, is called
Correct : A. average gradient
64. In water-bound Macadam roads
Correct : D. all of the above
65. The opportunities to cross slow moving traffic at intervals is not provided in case of
Correct : C. four lane highways
66. The Central Road Research Institute is controlled by
Correct : A. Shipping and Transport
67. For walls more than 6 m in height, thickness of retaining wall at the bottom is equal to 0.4 times the height plus
Correct : C. 30 cm
68. The side drains are provided on both sides of the roadway, when the road is
Correct : A. in cutting
69. The longest road constructed during the time of Shershah Suri was from
Correct : C. Lahore to Kolkata (Calcutta)
70. The value of maximum gradient for hill roads is
Correct : C. 1 in 15
71. The height of the parapet wall is usually kept as
Correct : C. 75 cm
72. While deriving the formulae for the length of valley curve, it is assumed that the head light is
Correct : C. 0.75 m
73. The Indian Roads and Transport Development Association (I.R.T.D.A.) was set up in
Correct : A. 1927
74. The main object of providing a camber is
Correct : C. to drain off rain water from road surface, as quickly as possible
75. The length of the side of warning sign boards of roads is
Correct : B. 45 cm
76. A vehicle while passing from a straight to a curved path, is under the infludnce of the weight of the vehicle and the centrifugal force.
Correct : A. True
77. The number of vehicles passing at a point on the highway in unit time is known as
Correct : A. traffic capacity
78. Tie bars in longitudinal joints in concrete pavements
Correct : D. all of the above
79. The thickness of base, in no case, whould be more than
Correct : D. 30 cm
80. The portion of a road surface, which is used by vehicular traffic, is known as
Correct : A. carriage-way
81. The maximum number of vehicles that can pass a given point on a lane or a roadway during one hour under the prevailing roadway and traffic conditions, is known as
Correct : B. possible capacity of a traffic lane
82. The minimum thickness of the base of a flexible pavement is kept as
Correct : B. 10 cm
83. The practical capacity of a highway is
Correct : B. less than
84. Class-3 roads are designed to carry jeeps.
Correct : A. True
85. A curve at the valley between two hills having a concave shape is called a valley curve.
Correct : B. Wrong
86. The increase in traffic volume, due to the general increase in the number of transport vehicles, from year to year, is known as
Correct : A. normal traffic growth
87. The factor which governs the installation of signals, is
Correct : D. all of the above
88. Transverse contraction joints relieve
Correct : B. tensile
89. According to I.R.C. recommendations, the absolute minimum radius of curve for safe operation for a design speed of 100 kmph is
Correct : D. 400 m
90. Class-5 roads are designed to carry 3-tonne vehicles.
Correct : B. No
91. Exceptional gradient should not be provided in a length more than
Correct : D. 100 m
92. The depth of relinforcement, below the surface of pavement, is kept as
Correct : B. 50 mm
93. The design capacity is also known as
Correct : C. practical capacity
94. A cement concrete road is an example of semi-rigid pavement.
Correct : B. No
95. Which of the following statement is correct?
Correct : A. Seasonal cycle of traffic volume during April and November is usually near the annual average.
96. Which of the following statement is correct?
Correct : D. all of the above
97. The overall width of a vehicle determines the
Correct : E. Both (a) and (b)
98. Formation width on curves of motorable road carrying a total load above 400 tonnes per day is kept as
Correct : D. 11 m
99. Plastic cracks due to shrinkage are developed immediately after the concrete starts hardening.
Correct : A. Correct
100. The length of the vehicles does not effect the widths of shoulders.