A = 247 m, B = 236 m, C = 314 m  D = 396 m respectively. The distances of B, C and D from A are 12 km, 45 km and 60 km respectively. Considering the effect of curvature and refraction of the earth. (a) Compute the height of equal towers on A and D to sight over B and C with a 3 m clearance. (b) Compute the elevation of the line of sight at B with the installation of equal heights of tower at A and D. (c) Compute the height of tower at A with a clearance of 3 m at C so that D will be visible from A, if the height of tower at D is 2 m.

Q: 64.41m. and the elevation of point K is 320m. above mean sea level. If the height of the instrument…

A: Given :

Q: In a vertical photograph taken from an altitude of 2800 m, a chimney of height 100 m, appears at a…

A: Altitude (H): 2800 mChimney height (h): 100 mDistance of chimney image from principal point (r): 80…

Q: In a vertical photograph taken from an altitude of 2800 m, a chimney of height 100 m, appears at a…

A: Altitude (H): 2800 mChimney height (h): 100 mDistance of chimney image from principal point (r): 80…

Q: 9. In order to find the difference in elevation between two points P and Q, a level was set upon the…

A: Given data in question  Line PQ Distances Rod readings To find out  Corrected elevation difference…

Q: Calculate the horizontal distance between point A and B if a slope distance of 3,562.15 feet is…

A: The values given  in the question are as follows: Slope distance between A and B(s)=3562.15 ft…

Q: = 1150 feet. Compute 4. Given: PI @ 10+71.78, Delta = 36° 10' 30", to the right, Radius the…

A:

Q: 6 m B 4 m E D 6 m 6 m

A: Given: P1 = 36 kN P2 = 46 kN A = 300 mm2 E = 300 GPa