For night travel, the length of a valley curve should be such that the head ligh

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Question
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)

Correct Answer

stopping sight distance

Highway Engineering problems

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2. 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.

3. 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.

6. 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.

8. 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.

9. Reinforcement in cement concrete slab of road pavements, is placed
Options
A. longitudinally
B. transversely
C. longitudinally and transversely
D. in the form of welded wire mesh
E. none of these.

10. Road width 8.8 m of two lane National highways or State highways in mountainous terrain
Options
A. excludes the width of parapet (0.6 m)
B. excludes the width of side drain (0.6 m)
C. excludes the width of parapet and side drain
D. includes the width of parapet and side drain

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