Any gradient on a road is said to be an exceptional gradient, if it is more than

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Question
Any gradient on a road is said to be an exceptional gradient, if it is
Options
A. more than ruling gradient
B. less than average gradient
C. more than floating gradient
D. less than minimum gradient or more than maximum gradient.

Correct Answer

less than minimum gradient or more than maximum gradient.

Highway Engineering problems

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1. To prevent movement of moisture from subgrade to road pavement at the same level as that of water-table, thickness of a cut off layer of coarse sand, is
Options
A. 15 cm
B. 20 cm
C. 30 cm
D. 45 cm
E. none of these.

4. If h₁ is the height of the driver's eye and h₂ is the height of an obstruction above road surface, then, for a minimum sight distance S, the length of the vertical curve should be greater than
Options
A.
B.
C.
D.

5. The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known
Options
A. ruling gradient
B. maximum gradient
C. exceptional gradient
D. floating gradient
E. all the above.

7. For night travel, the length of a valley curve should be such that the head light beam distance is the same as
Options
A. stopping sight distance
B. overtaking sight distance
C. sum of (a) and (b)
D. difference of (a) and (b)

8. Pick up the incorrect statement from the following:
Options
A. Tresguet did not provide the top camber for the drainage of surface water
B. Tresguet provided the top camber for the drainage of surface water
C. Telford provided two layers of stones in the central 5.4 m width and one layer was provided on the sides
D. Macadam provided a camber to the formation at the dug-up state, to drain percolated water.

10. According to IRC : 52-1973, for a single lane National Highway in hilly region,
Options
A. width of the carriageway must be 3.75 m
B. shoulders on either side must be 1.25 m
C. total width of the road-way must be 6.25 m
D. total of the above.

Comments

Nitish Kumar
Nice content

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