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Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 3 (Q.No. 16)
Surveying
16.
In case of reduction of levels by the height of instrument method,
∑ B.S. - ∑ F.S. = difference in R.L.S of the first station and last station
∑ (R.L. + I + F.S.) - first R.L = ∑ (H.I. + No. of R.L.s.)
both (a) and (b) above
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
22 comments Page 3 of 3.
DARSHAN said:   9 years ago
It should not be difference. It should be minus.
Kundarikaksha said:   9 years ago
Answer (A) is incorrect as the correct answer would be the difference in R. Ls of last & first station. Therefore (D) is the only option that matches.
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