Civil Engineering - Highway Engineering

11. 

The gradients of trace cuts for hilly roads, are kept

A. equal to ruling gradient
B. 10 tO 20 per cent easier than ruling gradients
C. 10 to 20 per cent steeper than ruling gradients
D. none of these.

Answer: Option B

Explanation:

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12. 

The width of the right of way in urban area, is kept between 24 m to 60 m for

A. National Highways
B. State Highways
C. Both (a) and (b)
D. None of these.

Answer: Option C

Explanation:

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13. 

The safe length L of a valley curve for night travel is

A.
B.
C. neither (a) nor (b)
D. both (a) and (b)

Answer: Option D

Explanation:

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14. 

If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is

A. 65 m
B. 70 m
C. 75 m
D. 80 m
E. 90 m

Answer: Option B

Explanation:

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15. 

The full width of land acquired before finalising a highway, alignment is known

A. width of formation
B. right of way
C. carriage way
D. roadway.

Answer: Option B

Explanation:

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