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Situation 6. In the two peg-test method of a dumpy level the following observations were taken. Instrument set Instrument set up near M up near P Rod Reading on A 1.505 m 0.938 m Rod Reading on B 2.054 m 1.449 m Point M Is equidistant from both A and B, while P is 2.50 m away from A along the extension of line AB and 79.27 m from B. 12.) Determine the true difference in elevation between A and 5. a.) 1.206 m b.) 1.106 m c.) 0.614 m d.) 0.814 m 13.) Determine the error in rod reading at 5 with the Instrument still at P. a.) 0.038 m b.) 0.046 m c.) 0.058 m d.) 0.026 m 14.) Determine the correct reading on rod B for a horizontal line of sight with the Instrument still at P. a.) 2.102 m b.) 2.178 m c.) 2.094 m d.) 2.186 m

Situation 6. In the two peg-test method of a dumpy level the following observations were taken. Instrument set Instrument set up near M up near P Rod Reading on A 1.505 m 0.938 m Rod Reading on B 2.054 m 1.449 m Point M Is equidistant from both A and B, while P is 2.50 m away from A along the extension of line AB and 79.27 m from B. 12.) Determine the true difference in elevation between A and 5. a.) 1.206 m b.) 1.106 m c.) 0.614 m d.) 0.814 m 13.) Determine the error in rod reading at 5 with the Instrument still at P. a.) 0.038 m b.) 0.046 m c.) 0.058 m d.) 0.026 m 14.) Determine the correct reading on rod B for a horizontal line of sight with the Instrument still at P. a.) 2.102 m b.) 2.178 m c.) 2.094 m d.) 2.186 m

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter14: Highway Surveys And Location
Section: Chapter Questions
Problem 12P
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Situation 6. In the two peg-test method of a dumpy level the following observations were taken. Instrument set Instrument set up near M up near P Rod Reading on A 1.505 m 0.938 m Rod Reading on B 2.054 m 1.449 m Point M Is equidistant from both A and B, while P is 2.50 m away from A along the extension of line AB and 79.27 m from B. 12.) Determine the true difference in elevation between A and 5. a.) 1.206 m b.) 1.106 m c.) 0.614 m d.) 0.814 m 13.) Determine the error in rod reading at 5 with the Instrument still at P. a.) 0.038 m b.) 0.046 m c.) 0.058 m d.) 0.026 m 14.) Determine the correct reading on rod B for a horizontal line of sight with the Instrument still at P. a.) 2.102 m b.) 2.178 m c.) 2.094 m d.) 2.186 m
Transcribed Image Text:Situation 6. In the two peg-test method of a dumpy level the following observations were taken. Instrument set Instrument set up near M up near P Rod Reading on A 1.505 m 0.938 m Rod Reading on B 2.054 m 1.449 m Point M Is equidistant from both A and B, while P is 2.50 m away from A along the extension of line AB and 79.27 m from B. 12.) Determine the true difference in elevation between A and 5. a.) 1.206 m b.) 1.106 m c.) 0.614 m d.) 0.814 m 13.) Determine the error in rod reading at 5 with the Instrument still at P. a.) 0.038 m b.) 0.046 m c.) 0.058 m d.) 0.026 m 14.) Determine the correct reading on rod B for a horizontal line of sight with the Instrument still at P. a.) 2.102 m b.) 2.178 m c.) 2.094 m d.) 2.186 m
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