Civil Engineering - Highway Engineering

11. 

If L is the length of a moving vehicle and R is the radius of curve, the extra mechanical width b to be provided on horizontal curves,

A.
B.
C.
D.
E.

Answer: Option C

Explanation:

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12. 

The desirable camber for straight cement concrete roads, is

A. 1 in 33 to 1 in 25
B. 1 in 40 to 1 in 33
C. 1 in 150 to 1 in 140
D. 1 in 160 to 1 in 140
E. none of these.

Answer: Option D

Explanation:

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13. 

Minimum permissible speed on high speed roads, is decided on the basis of

A. 15 percentile cumulative frequency
B. 20 percentile cumulative frequency
C. 30 percentile cumulative frequency
D. 40 percentile cumulative frequency.

Answer: Option A

Explanation:

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14. 

The ideal shape of a transition curve, is

A. clothoid
B. cubic spiral
C. cubic parabola
D. lamniscate
E. none of these.

Answer: Option A

Explanation:

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15. 

At a road junction, 7 cross conflict points are severe if

A. both are one-way roads
B. both are two-way roads
C. one is two-way road and other is one-way road
D. none of these.

Answer: Option C

Explanation:

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