QUESTION SIn 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 BRod Reading on ARod Reading on B1.5082.024Rod Reading on ARod Reading on B0.9381.449QUESTION 61. 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 and120m from B. Determine the difference in elevation between A and B. (give your answer in two decimal places)Instrument at 2Instrument at 13.02.752.01.50

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QUESTION 5 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 1.508 2.024 Rod Reading on A Rod Reading on B Instrument at B 0.938 1.449

QUESTION 5 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 1.508 2.024 Rod Reading on A Rod Reading on B Instrument at B 0.938 1.449

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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2. In the two peg test method of a dumpy level, the following observations were taken. Instrument near A Instrument near B Rod rdg. on A Rod rdg. on B 0.324 m 1.445 m 1.203 m 2.523 m a. Determine the error in the line of sight. b. What is the difference in elevation between A and B? c. Determine the correct rod reading on A with the instrument still set up at B.
A. Determine the TRUE DIFFERENCE in elevation between A and B B. Determine the ERROR in the rod reading at B with instrument still at P
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
#3 choices 3.046 2.834 3.406 2.384
1. TWO-PEG TEST. In the two-peg test of dumpy level, the following observations are taken: ROD READING INSTRUMENT SET UP INSTRUMENT SET UP NEAR P NEAR M On Point A On Point B i0.296 m 1.563 m 0.910 2. 140 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. Requirements: a. Determine the true difference in elevation between points A & B. b. Check if the line of sight is in adjustment. 14 c. If the instrument needs to be adjusted, determine the following: "false" difference in elevation, inclination of the line of sight, and the error on the reading on the far rod. d. With the level still set up at P, determine the rod reading on B to which the line of sight should be adjusted. e. Perform the customary check. Fig. 16-3. Tw0-peg test. -Leveling Rod Loveling. Rod c=1.563 m d 2.140 b=0.910m a=0296m Ground Surface La (2.50 m) (76.77 m) (79.27 m)
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Situation 1: A two-peg test is used to check whether the ine of sight of the level is in perfect adjustment and the following rod readings are taken, with instrument set up near A, backsight on A is 1.623 m. and foresight reading on B is 2.875 m. With the instrument set up near B, backsight on B is 1.622 and a foresight on A is 0.362 m. a. Find the difference in elevation. b. What should be the correct rod reading on A to give a level line of sight with instrument still set up near B? c. What should be the correct rod reading on B to give a level line of sight with instrument still set up near A?
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In the two-peg test of a dumpy level, the following observations were taken: Rod Reading Instrument setup at M Instrument setup at P At point A 2.215m 3.450 m At point B 2.550m 3.575m Point P is 3 m away from A while Point A is 57m away from B. Point M is equidistant from A and B. Determine the true difference in elevation between points A and B 0.71 1.20 0.325 1.567 0.335 Determine the correct reading on A when the instrument is at P 4.42 4.74 3.46 2.675 3.725 Determine the correct reading on B when instrument is at P. 4.925 3.80 4.42 1.56 4.74 Determine the error in rod B 1.40 0.35 2.095 0.22 1.135
During the dumpy level test, the observations are as follows: Staff reading station Instrument placed A B A 1.605 2.235 В 2.564 3.545 Distance between A and B is 250 m and R.L of A is 435.062 m, Find the R.L of B. a) 436.25 b) 435.05 c) 434.25 d) 435.86
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 2.682 1.239 INSTRUMENT SET UP at P 1.876 0.565 Point M is equidistance from both A and B with 92 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.
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