Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 4 (Q.No. 11)
11.
In levelling operation,
Discussion:
14 comments Page 2 of 2.
Sri said:
6 years ago
Given answer is right.
Option A is not correct. It's given that 1st sight in a change point.
If it would given that the 1st sight of leveling operation then it could be correct.
Option A is not correct. It's given that 1st sight in a change point.
If it would given that the 1st sight of leveling operation then it could be correct.
(2)
Krishna said:
6 years ago
a) the first sight taken on changing point is foresight not back sight.
b) the second sight on any changing point is back sight not foresight.
c) line commences with a backsight and ends with a foresight.
So, d is correct, a , b ,c are given oppositely. make ur concept clear.
Before shifting the instrument the last sight is foresight which is taken on change point. After shifting the instrument the first sight taken is taken on the same change point i.e back sight.
b) the second sight on any changing point is back sight not foresight.
c) line commences with a backsight and ends with a foresight.
So, d is correct, a , b ,c are given oppositely. make ur concept clear.
Before shifting the instrument the last sight is foresight which is taken on change point. After shifting the instrument the first sight taken is taken on the same change point i.e back sight.
(9)
Fiza said:
6 years ago
Thank you @Krishna.
John said:
4 years ago
Thanks @Krishna.
(1)
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