highway-engineering civil-engineering question and answers -Page 8

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Highway Engineering problems

4. 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.

6. 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.

7. 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

9. Selection of the routes, of highways depends upon
Options
A. feasibility of attaining ruling gradient
B. avoidance of cutting hard rocks
C. minimum number of bridges
D. minimum possible length of alignment
E. all the above.

10. The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of
Options
A. rolling terrain
B. mountainous terrain
C. steep terrain
D. none of these.

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