Civil Engineering - Highway Engineering - Discussion

1. 

If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is

[A]. 10°
[B]. 15°
[C]. 20°
[D]. 30°
[E]. 45°

Answer: Option D

Explanation:

No answer description available for this question.

Sri said: (Feb 1, 2018)  
As parallel, so 180°/6=30°.

Roy said: (Nov 11, 2018)  
Can anyone explain the answer properly?

Aakash said: (Apr 2, 2020)  
Polar angle --- deflection /6.
= 180/6 = 30.

Arup Mandal said: (Jun 12, 2021)  
Because beyond 30&ddeg; Lemniscate curve is not uniform.

Khattak said: (Sep 3, 2021)  
Polar angle = δ/6 = 180 deg/6.
= 30deg.

Dharani said: (Sep 5, 2021)  
Anyone can tell me the Lemniscate curve formula?

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