Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 12 (Q.No. 47)
47.
If a descending gradient of 1 in 25 meets an ascending gradient of 1 in 40, then the length of valley curve required for a headlight sight distance of 100 m will be
30 m
130 m
310 m
630 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

AMRIT said:   8 years ago
L = NS^2/(1.5 + 0.035S).
B is the answer.

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