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

Answer: Option A

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

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