Parapet walls along hill roads, are provided to retain the back filling to preve

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Question
Parapet walls along hill roads, are provided
Options
A. to retain the back filling
B. to prevent the hill from sliding
C. to prevent the wheels of the vehicle from coming on the retaining wall
D. none of these.

Correct Answer

to prevent the wheels of the vehicle from coming on the retaining wall

Highway Engineering problems

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2. If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is
Options
A. 500 vehicles per hour
B. 700 vehicles per hour
C. 1000 vehicles per hour
D. 1250 vehicles per hour

6. Speed regulations on roads is decided on the basis of
Options
A. 60 percentile cumulative frequency
B. 75 percentile cumulative frequency
C. 80 percentile cumulative frequency
D. 85 percentile cumulative frequency.

9. A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as
Options
A. ruling gradient
B. pushing gradient
C. floating gradient
D. minimum gradient

10. Intermediate catch water drains are provided only, if
Options
A. catchment area of the watershed above road is large
B. intensity of rainfall is heavy
C. single catch water drain is inadequate
D. all the above.

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