SITUATION 9: The following data were obtained by stadia measurement vertical angle = +18°23' and observed stadia intercept = 2.20 m. The stadia interval factor of the instrument used is 95.5 and C = 0.30 m. If the height of the instrument is 1.62 m and the rod is taken at 1.95 m. 26. Determine the vertical distance from the center of the instrument to point on the rod bisected by the horizontal cross hair. a. 66.26 m b. 62.97 m c. 63.63 m d. 68.35 m 27. Determine the inclined or slope distance from the instrument center to the portion on the rod bisected by the horizontal cross hair. a. 189.48 m b. 201.43 m c. 199.68 m d. 172.78 m

SITUATION 9: The following data were obtained by stadia measurement vertical angle = +18°23' and observed stadia intercept = 2.20 m. The stadia interval factor of the instrument used is 95.5 and C = 0.30 m. If the height of the instrument is 1.62 m and the rod is taken at 1.95 m. 26. Determine the vertical distance from the center of the instrument to point on the rod bisected by the horizontal cross hair. a. 66.26 m b. 62.97 m c. 63.63 m d. 68.35 m 27. Determine the inclined or slope distance from the instrument center to the portion on the rod bisected by the horizontal cross hair. a. 189.48 m b. 201.43 m c. 199.68 m d. 172.78 m

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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Concept explainers

Instruments for Surveying

Surveying is the practice that determines the relative three-dimensional positions of many different points on the earth’s surface. There are various instruments used in Surveying like Theodolites, Total station, Tripod stands, Plane table, etc. for measuring horizontal angle, vertical and sloping angle, which are very useful for giving accurate and precise measurement.

Question

SITUATION 9: The following data were
obtained by stadia measurement vertical
angle = +18°23' and observed stadia
intercept = 2.20 m. The stadia interval factor
of the instrument used is 95.5 and C = 0.30 m.
If the height of the instrument is 1.62 m and
the rod is taken at 1.95 m.
26. Determine the vertical distance from the
center of the instrument to point on the rod
bisected by the horizontal cross hair.
a. 66.26 m
b. 62.97 m
c. 63.63 m
d. 68.35 m
27. Determine the inclined or slope distance
from the instrument center to the portion on
the rod bisected by the horizontal cross hair.
a. 189.48 m
b. 201.43 m
c. 199.68 m
d. 172.78 m

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