Civil Engineering - Highway Engineering

Exercise :: Highway Engineering - Section 5

11.

 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.

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.

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)

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

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.