Point M is equidistance from both A and B with 88 meters, while P is 2.50m away from A along the extension of line AB. Requirements:Determine the true difference in elevation between point A and B.With the level still set up at P, determine the rod reading on A and B to which the line of sight should be adjusted.If the instrument needs to be adjusted, determine the following false difference in elevation inclination of the line of sight and the error in the reading of far rod A and B instrument set up at P. In the two-peg test of a dummy level, the following observations are taken.On point AOn point BINSTRUMENT SET UP at M2.6721.235INSTRUMENT SET UP at P1.8760.465Point M is equidistance from both A and B with 88 meters, while P is 2.50m away from A alongthe extension of line AB. Requirements:a. Determine the true difference in elevation between point A and B.b. With the level still set up at P, determine the rod reading on A andB to which the line of sightshould be adjusted.c. If the instrument needs to be adjusted, determine the following false difference in elevationinclination of the line of sight and the error in the reading of far rod A and B instrument setup at P.

Given. When Instrument is at "M", Staff reading at A= 2.672 m Staff reading at B= 1.235 m When…

Answered: n the two-peg test of a dummy level,…

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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Point M is equidistance from both A and B with 88 meters, while P is 2.50m away from A along the extension of line AB. Requirements:

Determine the true difference in elevation between point A and B.
With the level still set up at P, determine the rod reading on A and B to which the line of sight should be adjusted.
If the instrument needs to be adjusted, determine the following false difference in elevation inclination of the line of sight and the error in the reading of far rod A and B instrument set up at P.

In the two-peg test of a dummy level, the following observations are taken.
On point A
On point B
INSTRUMENT SET UP at M
2.672
1.235
INSTRUMENT SET UP at P
1.876
0.465
Point M is equidistance from both A and B with 88 meters, while P is 2.50m away from A along
the extension of line AB. Requirements:
a. Determine the true difference in elevation between point A and B.
b. With the level still set up at P, determine the rod reading on A andB to which the line of sight
should be adjusted.
c. If the instrument needs to be adjusted, determine the following false difference in elevation
inclination of the line of sight and the error in the reading of far rod A and B instrument set
up at P.

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