Civil Engineering - Highway Engineering

16. 

Speed regulations on roads is decided on the basis of

A. 60 percentile cumulative frequency
B. 75 percentile cumulative frequency
C. 80 percentile cumulative frequency
D. 85 percentile cumulative frequency.

Answer: Option D

Explanation:

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17. 

Reconnaissance is best done with the help of

A. aerial photographic survey
B. condastral surveys
C. topographical surveys
D. triangulation surveys
E. none of these.

Answer: Option A

Explanation:

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18. 

The usual width of side drains along Highways in hilly region, is

A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm
E. 100 cm

Answer: Option B

Explanation:

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19. 

Normal formation width of a hill road for one-way traffic, is

A. 3.6 m
B. 4.8 m
C. 6.6 m
D. 7.2 m
E. 8 m

Answer: Option B

Explanation:

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20. 

The most commonly adopted method to provide super-elevation on roads, is by pivoting the road surface about

A. outer edge so that the inner edge is lowered
B. crown so that outer edge is raised and inner edge is lowered
C. inner edge so that outer edge is raised
D. none of these.

Answer: Option C

Explanation:

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