246. The minimum cross fall of shoulders is kept

A.0.50%

B.1.00%

C.1.50%

D. 3%.

247. Pick up the correct statement from the following :

A. The corss fall of the shoulder should be at least 0.5% steeper than camber

B. On superelevated sections, the shoulders should be provided a cross fall equal to camber

C. Earthern roads in general are provided steepest crossfall

D. All the above.

248. While calculating the sight distances, the driver's eye above road surface, is assumed

A. 90 cm

B. 100 cm

C. 115cm

D. 120 cm

249. While calculating the overtaking sight distance, the height of the object above road surface, is assumed

A. Zero

B. 50cm

C. 75 cm

D. 120 cm.

250. Pick up the correct statement from the following :

A. The height of head light above road surface, is taken as 0.75 m

B. The beam of head light is up to one degree upwards from the grade of road

C. While designing the valley curve, the height of the object is assumed nil

D. All the above

251. Pick up the correct statement from the following :

A. Long tangent sections exceeding 3 km in length should be avoided

B. Curve length should be at least 150 metres for a deflection angle of 5 degress

C. For every degree decrease in the deflection angle, 30 metre length of curve to be increased

D. All the above.

252. Minimum radius of a simple circular curve deflecting through 50, is

A. 1618.9 m

B. 1816.9 m

C. 1718.9 m

D. 1817.9 m.

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