Find upto what vertical angle in stadia work, a sloping distance may be assumed to be horizontal so that error may not exceed 1 in 350? The instrument is fitted with anallactic lens and staff is held vertical.

Find upto what vertical angle in stadia work, a sloping distance may be assumed to be horizontal so that error may not exceed 1 in 350? The instrument is fitted with anallactic lens and staff is held vertical.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Instruments for Surveying

Surveying is the practice that determines the relative three-dimensional positions of many different points on the earth’s surface. There are various instruments used in Surveying like Theodolites, Total station, Tripod stands, Plane table, etc. for measuring horizontal angle, vertical and sloping angle, which are very useful for giving accurate and precise measurement.

Question

Find upto what vertical angle in stadia
work, a sloping distance may be assumed
to be horizontal so that error may not
exceed 1 in 350? The instrument is fitted
with anallactic lens and staff is held
vertical.

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