Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 10 (Q.No. 4)
4.
In a trigonometric levelling, the height of the signal used is 4.62 m and the instrument height is 1.25 m. If the horizontal distance of the target from the instrument is 5780 m, then the axis-signal correction is
seconds
seconds
seconds
secondsDiscussion:
2 comments Page 1 of 1.
APCIVILIAN said:
3 years ago
I think A is the correct answer.
(1)
Vai said:
7 years ago
Axis angle correction = (s2 - h1) / (D sin 1") = (s2 - h1) * 206265/ D.
A is the correct answer.
A is the correct answer.
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