# Civil Engineering - Highway Engineering

### Exercise :: Highway Engineering - Section 4

16.

An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed

 A. 45 m per km B. 60 m per km C. 75 m per km D. 90 m per km E. 100 m per km

Explanation:

No answer description available for this question. Let us discuss.

17.

The head of public works department of any Indian state, is

 A. Transport Minister B. Chief Engineer C. Superintending Engineer D. Executive Engineer.

Explanation:

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18.

If a Lemniscate curve having an angle of deflection Δ, is transitional throughout, the maximum polar angle is

 A. Δ/2 B. Δ/3 C. Δ/4 D. Δ/5 E. Δ/6

Explanation:

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19.

On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from

 A. 5 kg to 7 kg/tonne B. 7 kg to 9 kg/tonne C. 9 kg to 11 kg/tonne D. 11 kg to 13 kg/tonne E. none of these.

Explanation:

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20.

Pick up the incorrect statement from the following. The width of the right-of-way is decided so as to accommodate

 A. formation width B. side slopes C. horizontal curve D. vertical curve E. provision of future widening.