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
seconds
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

APCIVILIAN said:   2 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.

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