Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 1 (Q.No. 35)
35.
Consider the following statements :
1. An ascending gradient of 1 in 100 meets an ascending gradient of 1 in 120 to form a Valley curve.
2. A falling gradient of 1 in 25 meets a falling gradient of 1 in 50 to form a summit curve.
3. The length of summit curve is determined on the basis of head light sight distance.
Which one of the statements given above is/are correct ?
1. An ascending gradient of 1 in 100 meets an ascending gradient of 1 in 120 to form a Valley curve.
2. A falling gradient of 1 in 25 meets a falling gradient of 1 in 50 to form a summit curve.
3. The length of summit curve is determined on the basis of head light sight distance.
Which one of the statements given above is/are correct ?
Discussion:
11 comments Page 1 of 2.
Shyam said:
1 decade ago
Length of valley curve is determine on the basis of HSD.
Pankaj said:
8 years ago
Answer is only 2, option D.
Dhanu said:
8 years ago
Yes, the correct option is D.
Chetan said:
8 years ago
Second statement is false right? since those two gradients form a valley curve.
(1)
Basavaraj said:
7 years ago
I think Option D is correct.
Pratap said:
7 years ago
Headlight sight distance is criteria for valley curve.
So, statement 2 is wrong.
So, statement 2 is wrong.
Sidkudas said:
6 years ago
All the statement are wrong, valley curve is formed when descending meet ascending gradient. , And vice versa for summit curve. And headlight sight distance is criteria for determining valley or sag curve.
(2)
Rakshanda said:
5 years ago
Option D is correct.
Emon said:
5 years ago
Headlight sight dist is considered in valley curve. So only 2 is right. i.e. option D.
Mushtaq Ahmad said:
3 years ago
@All.
Here, All options are wrong.
1. Ascending gradient (1/100) is more than ascending gradient (1/20) which will form valley.
2. Falling gradient (1/25) is more than the falling gradient (1/50) again will form a valley.
3. In the valley, we consider HSD while in the summit we consider SSD and OSD.
Here, All options are wrong.
1. Ascending gradient (1/100) is more than ascending gradient (1/20) which will form valley.
2. Falling gradient (1/25) is more than the falling gradient (1/50) again will form a valley.
3. In the valley, we consider HSD while in the summit we consider SSD and OSD.
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