Civil Engineering - Surveying - Discussion


For true difference in elevations between two points A and B, the level must be set up

[A]. at any point between A and B
[B]. at the exact mid point of A and B
[C]. near the point A
[D]. near the point B.

Answer: Option B


No answer description available for this question.

Mohammed Libinshad.K said: (Apr 5, 2015)  
We take in differential leveling for accuracy for sight = back sight.

Pradeep Raghu said: (Sep 25, 2016)  
For the minimum error due to curvature and refraction, the level must be set such that back sight and foresight distances are equal.

Akki said: (Sep 8, 2018)  
I think option A is correct.

V.V.Patel said: (Oct 11, 2018)  
Thanks @Pradeep.

Baliram said: (Sep 17, 2021)  
Option B is the correct answer.

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