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Two points A and B are 2000 m each away from point C, from which the measured vertical angle to A is +130’ and to B is -230’. Considering the effect of the earth curvature and refraction. 1. Compute the difference in elevation between A and C. a. 52.64 m         c. 52.12 m b. 52.23 m         d. 52.84 m 2.. Compute the difference in elevation between A and B. a. 135.46 m          c. 126.51 m b. 139.69 m          d. 124.81 m 3. Compute the at point C if elevation B is 55.6 m. a. 156.14 m        c. 118.46 m b. 138.45 m        d. 142.65 m

Two points A and B are 2000 m each away from point C, from which the measured vertical angle to A is +130’ and to B is -230’. Considering the effect of the earth curvature and refraction. 1. Compute the difference in elevation between A and C. a. 52.64 m         c. 52.12 m b. 52.23 m         d. 52.84 m 2.. Compute the difference in elevation between A and B. a. 135.46 m          c. 126.51 m b. 139.69 m          d. 124.81 m 3. Compute the at point C if elevation B is 55.6 m. a. 156.14 m        c. 118.46 m b. 138.45 m        d. 142.65 m

Structural Analysis
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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Two points A and B are 2000 m
each away from point C, from which the
measured vertical angle to A is +130’ and
to B is -230’. Considering the effect of the
earth curvature and refraction.


1. Compute the difference in elevation
between A and C.


a. 52.64 m         c. 52.12 m
b. 52.23 m         d. 52.84 m


2.. Compute the difference in elevation
between A and B.


a. 135.46 m          c. 126.51 m
b. 139.69 m          d. 124.81 m

3. Compute the at point C if elevation B is
55.6 m.


a. 156.14 m        c. 118.46 m
b. 138.45 m        d. 142.65 m

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