113. If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be
A. 60/R
B. 70/R
C. 75/R
D. 80/R
114. For night travel, the length of a valley curve should be such that the head light beam distance is the same as
A. stopping sight distance
B. overtaking sight distance
C. sum of (a) and (b)
D. difference of (a) and (b).
115. The minimum vertical clearance of overhanging cliffs or any other structure above the surface of a hill road, should be
A. 3 m
B. 4 m
C. 5 m
D. 6 m
116. A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as
A. ruling gradient
B. pushing gradient
C. floating gradient
D. minimum gradient.
117. Formation width of a hill road is the distance between
A. outer end of side drain to outer end of parapet wall
B. outer end of side drain to inner end of parapet wall
C. inner end of side drain to outer end of parapet wall
D. inner end of side drain to inner end of parapet wall
118. Normal formation width of a hill road for one-wa traffic, is
A. 3.6 m
B. 4.8 m
C. 6.6 m
D. 7.2 m
119. The wall constructed for the stability of an excavated portion of a road on the hill side, is known as
A. retaining wall
B. breast wall
C. parapet wall
D. all the above.
Page 17 of 41