Civil Engineering - Highway Engineering - Discussion
Discussion Forum : Highway Engineering - Section 5 (Q.No. 35)
35.
Three points, A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have
Discussion:
36 comments Page 2 of 4.
Baloch said:
6 years ago
The correct answer is not mentioned.
The correct answer is, "a positive gradient between A and B followed by C".
Option B is wrong because between is only for two things.
The correct answer is, "a positive gradient between A and B followed by C".
Option B is wrong because between is only for two things.
(1)
Salik Haroon Abbasi said:
6 years ago
Yes, the Answer should be B.
Deepthi said:
6 years ago
Agree @Manigandan.
But In the question distance between A & B not mentioned. Then how can we decide it will positive?
But In the question distance between A & B not mentioned. Then how can we decide it will positive?
ManiGandan said:
6 years ago
The answer is correct because, they are considering the elliptical shape of the earth, when the distance between A&B is small from A. Then it is a positive gradient, then another 500m additional means, from A, it is far enough, that the RL is low, when seeing from A, since it is a straight line. So, E is right.
(1)
Sangamesh said:
6 years ago
It is correct because the First gradient is straight then it will be zero means N1=0, then, - (-N2) =+N2, then it will be negative gradient.
Utsav said:
7 years ago
According to me, B is the correct option.
Utsav said:
7 years ago
C is the correct answer.
Staff reading is increasing. Thus its downward slope.
Staff reading is increasing. Thus its downward slope.
Ganesh CH Das said:
7 years ago
The correct answer is B.
Puspendu said:
7 years ago
According to me, Option C is right.
Mohit patial said:
7 years ago
The answer given is right.
Two gradients are there A to B, B to C.
Both have the same gradient i.e. 1 in 100.
So, when two gradients are joined, the formula for resulting gradient is, n1 - n2.
So here A to B is a positive gradient ( n1), whereas B to C is a negative gradient (-n).
Two gradients are there A to B, B to C.
Both have the same gradient i.e. 1 in 100.
So, when two gradients are joined, the formula for resulting gradient is, n1 - n2.
So here A to B is a positive gradient ( n1), whereas B to C is a negative gradient (-n).
(1)
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