1. Nagpur road plan formulae were prepared by assuming
2. Select the correct statement.
3. The sequence of four stages of survey in a highway alignment is
4. The shape of the camber, best suited for cement concrete pavements, is
5. For water bound macadam roads in locali-ties of heavy rainfall, the recommended value of camber is
6. The stopping sight distance depends upon
7. When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in
8. Coefficient of friction is less when the pavement surface is
9. The shoulder provided along the road edge should be
10. Camber in the road is provided for
11. Compared to a level surface, on a descending gradient the stopping sight distance is
12. On a single lane road with two way traffic, the minimum stopping sight distance is equal to
13. The desirable length of overtaking zone as per IRC recommendation is equal to
14. Stopping sight distance is always
15. Reaction time of a driver
16. If the stopping distance is 60 metres, then the minimum stopping sight distance for two lane, two way traffic is
17. The effect of grade on safe overtaking sight distance is
18. The ruling design speed on a National Highway in plain terrain as per IRC recommendations is
19. The terrain may be classified as rolling terrain if the cross slope of land is
20. If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be
21. As per IRC recommendations, the maximum limit of superelevation for mixed traffic in plain terrain is
22. For the design of superelevation for mixed traffic conditions, the speed is reduced by
23. On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be
25. For a constant value of coefficient of lateral friction, the value of required super-elevation increases with
26. To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by
27. The absolute minimum radius of curve for safe operation for a speed of 110 kmph is
28. The attainment of superelevation by rotation of pavement about the inner edge of the pavement
29. Select the correct statement.
30. In case of hill roads, the extra widening is generally provided
32. The transition curve used in the horizontal alignment of highways as per IRC recommendations is
33. For design, that length of transition curve should be taken which is
34. The maximum design gradient for vertical profile of a road is
35. The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is
36. If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be
37. The camber of road should be approximately equal to
38. Which of the following shapes is preferred in a valley curve ?
39. The value of ruling gradient in plains as per IRC recommendation is
40. In case of summit curves, the deviation angle will be maximum when
41. If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in metres is given by the expression
42. If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be
43. Highway facilities are designed for
44. Enoscope is used to find
45. For highway geometric design purposes the speed used is
46. Select the correct statement.
47. Length of a vehicle affects
48. The maximum width of a vehicle as recommended by IRC is
49. Desire lines are plotted in
50. Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business centre or a large intersection ?
51. The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as
52. With increase in speed of the traffic stream, the minimum spacing of vehicles
53. Which of the following is known as design capacity ?
54. If the average centre to centre spacing of vehicles is 20 metres, then the basic
capacity of a traffic lane at a speed of 50 kmph is
55. With increase in speed of the traffic stream, the maximum capacity of the lane
56. Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is
57. If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maximum capacity of a traffic lane at a speed of 10 m/sec is
58. Scientific planning of transportation system and mass transit facilities in cities should be based on
59. The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as
60. When the speed of traffic flow becomes zero,then
61. On a right angled road intersection with two way traffic, the total number of conflict points is
62. The background colour of the informatory sign board is
63. Which of the following is indicated by a warning sign ?
64. "Dead Slow" is a
65. The most efficient traffic signal system is
66. The provision of traffic signals at intersections
67. Select the incorrect statement.
68. Centre line markings are used
69. The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as
70. The entrance and exit curves of a rotary have
71. When two equally important roads cross roughly at right angles, the suitable shape of central island is
72. The maximum number of vehicles beyond which the rotary may not function efficiently is
73. A traffic rotary is justified where
74. When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is
75. Maximum number of vehicles can be parked with
76. When the width of kerb parking space and width of street are limited, generally preferred parking system is
77. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is
78. The most economical lighting layout which is suitable for narrow roads is
79. The direct interchange ramp involves
80. In soils having same values of plasticity index, if liquid limit is increased, then
81. Which of the following tests measures the toughness of road aggregates ?
82. Los Angeles testing machine is used to conduct
83. In CBR test the value of CBR is calculated at
84. If aggregate impact value is 20 to 30 percent, then it is classified as
85. The maximum allowable Los Angeles abrasion value for high quality surface course is
86. Percentage of free carbon in bitumen is
87. The ductility value of bitumen for suitability in road construction should not be less than
88. The maximum limit of water absorption for aggregate suitable for road construction is
89. Which of the following represents hardest grade of bitumen ?
90. Penetration test on bitumen is used for determining its
91. Bitumen of grade 80/100 means
92. RC-2, MC-2 and SC-2 correspond to
93. The recommended grade of tar for grouting purpose is
94. Softening point of bitumen to be used for read construction at a place where maximum temperature is 40°C should be
95. For rapid curing cutbacks, the oil used is
96. The method of design of flexible pavement as recommended by IRC is
97. The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve is 35, is
98. Bottom most layer of pavement is known as
99. Flexible pavement distribute the wheel load
100. 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
101. Group index method of design of flexible pavement is
102. Select the correct statement.
103. If the group index value of subgrade is between 5 and 9, then the subgrade is treated as
104. Tyre pressure influences the
105. Rigidity factor for a tyre pressure greater than 7 kg/cm2 is
106. The critical combination of stresses for corner region in cement concrete roads is
107. Tie bars in cement concrete pavements are at
108. The maximum spacing of contraction joints in rigid pavements is
109. The maximum thickness of expansion joint in rigid pavements is
110. The function of an expansion joint in rigid pavements is to
2. Select the correct statement.
3. The sequence of four stages of survey in a highway alignment is
4. The shape of the camber, best suited for cement concrete pavements, is
5. For water bound macadam roads in locali-ties of heavy rainfall, the recommended value of camber is
6. The stopping sight distance depends upon
7. When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in
8. Coefficient of friction is less when the pavement surface is
9. The shoulder provided along the road edge should be
10. Camber in the road is provided for
11. Compared to a level surface, on a descending gradient the stopping sight distance is
12. On a single lane road with two way traffic, the minimum stopping sight distance is equal to
13. The desirable length of overtaking zone as per IRC recommendation is equal to
14. Stopping sight distance is always
15. Reaction time of a driver
16. If the stopping distance is 60 metres, then the minimum stopping sight distance for two lane, two way traffic is
17. The effect of grade on safe overtaking sight distance is
18. The ruling design speed on a National Highway in plain terrain as per IRC recommendations is
19. The terrain may be classified as rolling terrain if the cross slope of land is
20. If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be
21. As per IRC recommendations, the maximum limit of superelevation for mixed traffic in plain terrain is
22. For the design of superelevation for mixed traffic conditions, the speed is reduced by
23. On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be
25. For a constant value of coefficient of lateral friction, the value of required super-elevation increases with
26. To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by
27. The absolute minimum radius of curve for safe operation for a speed of 110 kmph is
28. The attainment of superelevation by rotation of pavement about the inner edge of the pavement
29. Select the correct statement.
30. In case of hill roads, the extra widening is generally provided
32. The transition curve used in the horizontal alignment of highways as per IRC recommendations is
33. For design, that length of transition curve should be taken which is
34. The maximum design gradient for vertical profile of a road is
35. The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is
36. If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be
37. The camber of road should be approximately equal to
38. Which of the following shapes is preferred in a valley curve ?
39. The value of ruling gradient in plains as per IRC recommendation is
40. In case of summit curves, the deviation angle will be maximum when
41. If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in metres is given by the expression
42. If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be
43. Highway facilities are designed for
44. Enoscope is used to find
45. For highway geometric design purposes the speed used is
46. Select the correct statement.
47. Length of a vehicle affects
48. The maximum width of a vehicle as recommended by IRC is
49. Desire lines are plotted in
50. Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business centre or a large intersection ?
51. The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as
52. With increase in speed of the traffic stream, the minimum spacing of vehicles
53. Which of the following is known as design capacity ?
54. If the average centre to centre spacing of vehicles is 20 metres, then the basic
capacity of a traffic lane at a speed of 50 kmph is
55. With increase in speed of the traffic stream, the maximum capacity of the lane
56. Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is
57. If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maximum capacity of a traffic lane at a speed of 10 m/sec is
58. Scientific planning of transportation system and mass transit facilities in cities should be based on
59. The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as
60. When the speed of traffic flow becomes zero,then
61. On a right angled road intersection with two way traffic, the total number of conflict points is
62. The background colour of the informatory sign board is
63. Which of the following is indicated by a warning sign ?
64. "Dead Slow" is a
65. The most efficient traffic signal system is
66. The provision of traffic signals at intersections
67. Select the incorrect statement.
68. Centre line markings are used
69. The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as
70. The entrance and exit curves of a rotary have
71. When two equally important roads cross roughly at right angles, the suitable shape of central island is
72. The maximum number of vehicles beyond which the rotary may not function efficiently is
73. A traffic rotary is justified where
74. When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is
75. Maximum number of vehicles can be parked with
76. When the width of kerb parking space and width of street are limited, generally preferred parking system is
77. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is
78. The most economical lighting layout which is suitable for narrow roads is
79. The direct interchange ramp involves
80. In soils having same values of plasticity index, if liquid limit is increased, then
81. Which of the following tests measures the toughness of road aggregates ?
82. Los Angeles testing machine is used to conduct
83. In CBR test the value of CBR is calculated at
84. If aggregate impact value is 20 to 30 percent, then it is classified as
85. The maximum allowable Los Angeles abrasion value for high quality surface course is
86. Percentage of free carbon in bitumen is
87. The ductility value of bitumen for suitability in road construction should not be less than
88. The maximum limit of water absorption for aggregate suitable for road construction is
89. Which of the following represents hardest grade of bitumen ?
90. Penetration test on bitumen is used for determining its
91. Bitumen of grade 80/100 means
92. RC-2, MC-2 and SC-2 correspond to
93. The recommended grade of tar for grouting purpose is
94. Softening point of bitumen to be used for read construction at a place where maximum temperature is 40°C should be
95. For rapid curing cutbacks, the oil used is
96. The method of design of flexible pavement as recommended by IRC is
97. The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve is 35, is
98. Bottom most layer of pavement is known as
99. Flexible pavement distribute the wheel load
100. 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
101. Group index method of design of flexible pavement is
102. Select the correct statement.
103. If the group index value of subgrade is between 5 and 9, then the subgrade is treated as
104. Tyre pressure influences the
105. Rigidity factor for a tyre pressure greater than 7 kg/cm2 is
106. The critical combination of stresses for corner region in cement concrete roads is
107. Tie bars in cement concrete pavements are at
108. The maximum spacing of contraction joints in rigid pavements is
109. The maximum thickness of expansion joint in rigid pavements is
110. The function of an expansion joint in rigid pavements is to
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