225. The length of a submit curve needed to provide a stopping sight distance when the deviation angle N =20 ' is
A. 180 m
B. 120 m
C. 6 m
D. none of these.

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226.  If cross slope of a country is upto 10% the terain is classified as
A. plain
B. rolling
C. mountainous
D. steep.

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227.  If cross slope of a country is 10% to 25%, the terrain is classified as
A. rolling
B. mountainous
C. steep
D. plain.

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228. If the cross slope of a country is 25% to 60%, the terrain is classified as
A. plain
B. rolling
C. steep
D. mountainous.

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229. If cross slope of a country is greater than 60%, the terrain is classified as
A. rolling
B. mountainous
C. steep
D. plain.

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230. The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of
A. rolling terrain
B. mountainous terrain
C. steep terrain
D. none of these.

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231. Pick up the correct statement from the following :
A. Various geometric design features and generally guided by ruling design speed
B. The design speed for a given highway should preferably be uniform
C. Abrupt change in the design speed should not be permitted
D. all the above.

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