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A differential levelling was run for a distance of 3640 m starting from benchmark of elevation 12.25 m. Every set-up of the level, the difference of the backsight and the foresight was 0.48 m with the foresight greater than the backsight using a maximum sight distance of 350 m except for the last set-up. A. How many instrument set-ups are there? B. How many turning points are there? C. Find the elevation of the last point in meters.

A differential levelling was run for a distance of 3640 m starting from benchmark of elevation 12.25 m. Every set-up of the level, the difference of the backsight and the foresight was 0.48 m with the foresight greater than the backsight using a maximum sight distance of 350 m except for the last set-up. A. How many instrument set-ups are there? B. How many turning points are there? C. Find the elevation of the last point in meters.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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A differential levelling was run for a distance of 3640 m starting from benchmark of elevation 12.25 m. Every set-up of the level, the difference of the backsight and the foresight was 0.48 m with the foresight greater than the backsight using a maximum sight distance of 350 m except for the last set-up. A. How many instrument set-ups are there? B. How many turning points are there? C. Find the elevation of the last point in meters.
Transcribed Image Text:A differential levelling was run for a distance of 3640 m starting from benchmark of elevation 12.25 m. Every set-up of the level, the difference of the backsight and the foresight was 0.48 m with the foresight greater than the backsight using a maximum sight distance of 350 m except for the last set-up. A. How many instrument set-ups are there? B. How many turning points are there? C. Find the elevation of the last point in meters.
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