111. Desire lines are plotted in_________________? A. traffic volume studies B. speed studies C. accident studies D. origin and destination studies ✅ The correct answer is option D.
112. The recommended grade of tar for grouting purpose is_______________? A. RT-1 B. RT-2 C. RT.3 D. RT-5 ✅ The correct answer is option D.
113. The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is____________________? A. 0.1 % B. 1 % C. 10% D. no compensation ✅ The correct answer is option D.
114. Coefficient of friction is less when the pavement surface is________________? A. rough B. dry C. smooth and dry D. smooth and wet ✅ The correct answer is option D.
115. For a constant value of coefficient of lateral friction, the value of required super-elevation increases with_______________? A. increase in both speed and radius of curve B. decrease in both speed and radius of curve C. increase in speed and with decrease in radius of curve D. decrease in speed and with increase in radius of curve ✅ The correct answer is option D.
116. The entrance and exit curves of a rotary have_______________? A. equal radii and equal widths of pavement B. equal radii but pavement width is more at entrance than at exit curve C. equal pavement widths but radius is more at entrance curve than at exit curve D. different radii and different widths of pavement ✅ The correct answer is option D.
117. Select the correct statement_________________? A. Psychological extra widening depends on the number of traffic lanes. B. Mechanical extra widening depends on the speed of vehicle. C. Psychological extra widening depends on the length of wheel base. D. Psychological extra widening depends on the speed of vehicle ✅ The correct answer is option D.
118. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is______________? A. 10 lux B. 15 lux C. 20 lux D. 30 lux ✅ The correct answer is option D.
119. In CBR test the value of CBR is calculated at_______________? A. 2.5 mm penetration only B. 5.0 mm penetration only C. 7.5 mm penetration only D. both 2.5mm and 5.0 mm penetrations ✅ The correct answer is option D.
120. 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______________? A. 1000 B. 10000 C. 100000 D. 1000000 ✅ The correct answer is option D.