If the number of lanes on the carriageway of a road is more than two, the total

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Question
If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m
Options
A. + 0.60 m
B. + 0.70 m
C. + 0.80 xn
D. + 0.90 m
E. + 1.50 m

Correct Answer

+ 0.70 m

Highway Engineering problems

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4. The advantage of providing superelevation on roads, is
Options
A. higher speed of vehicles
B. increased volume of traffic
C. reduced maintenance cost of the roads
D. draining off rain water quickly
E. all the above.

6. Along high ways confirmatory route markers are generally fixed
Options
A. before the crossing on the left side
B. after the crossing on the left side
C. before the crossing on the right side
D. after the crossing on the right side.

8. The desirable camber for straight cement concrete roads, is
Options
A. 1 in 33 to 1 in 25
B. 1 in 40 to 1 in 33
C. 1 in 150 to 1 in 140
D. 1 in 160 to 1 in 140
E. none of these.

9. If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is
Options
A. b = 0.6 + d² - 0.675 d
B. b = 1.6 + d² + 0.675 d
C. b = 1.6 + d² - 3.675 d
D. b = 1.6 + d² - 0.675 d

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