169. Design of highways is based on
A. axle loads
B. axle spacings
C. wheel bases
D. all the above.
170. Width of vehicles affects the width of
A. lanes
B. shoulders
C. parking spaces
D. all the above.
171. Length of vehicles does not affect
A. extra widening
B. minimum radius of turning
C. passing sight distance
D. width of shoulders
172. The weight of vehicles affects
A. pavement thickness
B. ruling gradient
C. limiting gradient
D. all the above.
173. If L metres is the distance between extreme axles of a vehicle, its gross load should not exceed
A. 1525 (L + 4.3)-- 14.7 L2
B. 1526 (L + 5.3)-- 14.7 L2
C. 1525 (L + 6.3)-- 14.7 L2
D. 1525 (L + 7.3)-- 14.7 L2
174. Design of horizontal and vertical alignments, super-elevation, sight distance and grades, is worst affected by
A. width of the vehicle
B. length of the vehicle,
C. height of the vehicle
D. speed of the vehicle.
175. Speed regulations on roads is decided on the basis of
A. 60 percentile cumulative frequency
B. 75 percentile cumulative frequency
C. 80 percentile cumulative frequency
D. 85 percentile cumulative frequency.
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