
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Question

Transcribed Image Text:QUESTION S
In a two-peg test of a dumpy level, the following observations are taken. What is the true difference in elevation between A and B?
Instrument at A Instrument at B
Rod Reading on A
Rod Reading on B
1.508
2.024
Rod Reading on A
Rod Reading on B
0.938
1.449
QUESTION 6
1. The following data were taken from PEG method of adjustment. Point 1 is midway between A and B. Point 2 is 20m to the left of A and
120m from B. Determine the difference in elevation between A and B. (give your answer in two decimal places)
Instrument at 2
Instrument at 1
3.0
2.75
2.0
1.50
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