A level was set up in the middle of two pegs A and B and the staff readings were 2.015 and 1.895 respectively. The instrument was then set up at B and the readings on A and B were 2.195 and 2.005 respectively. What is the error in the line of collimation and reading on peg A which makes the line of ?collimation horizontal 0.700m, 2.521 m O 0.007m, 2.215m O 0.007m, 2.152m O 0.070m, 2.125m

A level was set up in the middle of two pegs A and B and the staff readings were 2.015 and 1.895 respectively. The instrument was then set up at B and the readings on A and B were 2.195 and 2.005 respectively. What is the error in the line of collimation and reading on peg A which makes the line of ?collimation horizontal 0.700m, 2.521 m O 0.007m, 2.215m O 0.007m, 2.152m O 0.070m, 2.125m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

vertical angle is 30°23’, and observed stadia intercept is 2.20m. The stadia interval factor at the measurement used 95.50m and C is 0.30m, if the height of the instrument is 1.62m, and the rod reading is taken 1.95m. Determine the HD, VD, ID, and DE. Given:K= 95.5mS= 2.2mC = 0.3mVertical Angle = 30°23’
The top of the mast signal 1750m away was sighted through a transit with recorded verticalangle of 4 0 55’. The height of the mast is 5.5m and the height of the instrument above the pointwhere it was set up is 1.15m. the elevation of the base of the signal ‘B’ is 167.23m, compute theelevation of the point under the transit ‘A’ with allowance due for curvature and refraction usingh= 0.067k^ 2
The following data were obtained by a stadia measurement; vertical angle is 30°23’, and observed stadia intercept is 2.20m. The stadia interval factor at the measurement used 95.50m and C is 0.30m, if the height of the instrument is 1.62m, and the rod reading is taken 1.95m. Determine the HD, VD, ID, and DE. Given: K= 95.5m S= 2.2m C = 0.3m Vertical Angle = 30°23’
There are two points, A and B: elevations above datum are hA=1760ft and hB=1425ft Images a and b on a vertical photograph have photo coordinates xa=2.95in., ya=2.32in., xb=−1.64in., and yb=−2.66in. The camera focal length was 152.4mm and the flying height above datum 7700ft. An image c of a third point C appears. Its elevation hC=1455ft and its photo coordinates are xc=3.20in. and yc=−2.66in Using EXCEL Calculate Angle A Calculate Angle B Calculate Angle C
1Q is 18 7T is 72
To adjust a dumpy level by peg method of adjustment, two points A and B wereset up. With the instrument at point A, the rod reading at A was 1.623m and theforesight at B was 2.875m. The level is transferred at B and the backsight at B was1.622m while the rod reading at A was 0.362m.a. Find the true elevation between A and B.b. What is the error in the line of sight?c. Determine the correct reading at A that will give the level line of sightwith the instrument still at point B.
complete the distance between two points A&B by using level instrument if the upper reading of stadia was 1.532 and lower reading was 0.921
Determine the correct horizontal distance of AEwhen it was measured AB = 45m, BC= 38m, CD= 55m, DE =42.58, with difference of elevation per measurement as follows: 0.3m, 0.55m, 0.45m, 0.35m
The angle of elevation of the tower from A is 25°.From another point B, the angle of elevation of the tower is56°. AB=300m and on the same horizontal plane as the foot ofthe tower. The horizontal angle subtended by A and B at thefoot of the tower is 70°. What is the height of the tower? How far is point A from the tower? How far is point B from the tower?
a.) Using the Stadia Reduction Table,what is the difference in elevation if the observedvertical angle is 19⁰24''?b.) Using the Stadia Reduction Table,what is the horizontal distance if the observedvertical angle is -7⁰14''?c.) Using the Stadia Reduction Table,what is the Chd if the instrument constant is 0.381and the observed vertical angle is -16.80⁰?
Leveling Methods An instrument at point B is set up in the bottom of a depression withits scope measured 1.40m above ground. The purpose of the station is todetermine the elevations of both points A and C which are located on thepeaks of the valley. Two vertical angles of +11°30’ and +13°15’ are madewith the scopes of the instrument to points A and C respectively.Preliminary survey suggests that points AB is measured with a horizontaldistance of 583m and points BC is measured with a horizontal distance of1,125m. Considering the earth’s curvature and atmospheric refraction,determine the elevation of both A and C if the elevation of the stationis 75m above sea level.
ANSWER MUST BE: Sf= 0.0498 mm