# Civil Engineering - UPSC Civil Service Exam Questions - Discussion

40.

The radius of curvature of an ideal transition curve should be

 [A]. inversely proportional to its length from the beginning [B]. directly proportional to its length from the beginning [C]. proportional to the speed of the vehicle [D]. proportional to the superelevation

Explanation:

No answer description available for this question.

 Rajinder Saini said: (May 8, 2017) According to me, the correct answer A.

 Pramod said: (Jun 9, 2017) Yes, I agree @Rajinder

 Amithsid said: (Mar 3, 2018) Answer A is only correct option.

 Swarup Sen Chowdhury said: (Apr 1, 2018) No, D is the correct answer.

 Basu said: (Jul 20, 2018) I think option A is the correct answer.

 Amit said: (Dec 23, 2019) e= BV^2/gR. So 1/R is radius of curvature is directly proportional to superelevation. So correct answer is D.

 Mastram Meena said: (Apr 17, 2020) The Correct answer is A.

 Priyanka said: (Jan 14, 2021) e +f = V^2/r A is correct L=v^2/r