To find the elevation of the top of a chimney, the following observations were made from two stations P and Q, 50 m apur Horizontal angle at station P, between chimney and Q = 60° Horizontal angle at station Q, between chimney and P = 50° Angle of elevation from P to the top of chimney = 30° Angle of elevation from Q to the top of chimney = 29° R.L. of the line of collimation at P = 22.5 m R.L. of the line of collimation at Q = 20.5 m Determine the elevation of the top of the chimney.
To find the elevation of the top of a chimney, the following observations were made from two stations P and Q, 50 m apur Horizontal angle at station P, between chimney and Q = 60° Horizontal angle at station Q, between chimney and P = 50° Angle of elevation from P to the top of chimney = 30° Angle of elevation from Q to the top of chimney = 29° R.L. of the line of collimation at P = 22.5 m R.L. of the line of collimation at Q = 20.5 m Determine the elevation of the top of the chimney.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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To find the elevation of the top of a chimney, the following observations were made from two stations P and Q, 50 m
apur
Horizontal angle at station P, between chimney and Q = 60°
Horizontal angle at station Q, between chimney and P = 50°
Angle of elevation from P to the top of chimney = 30°
Angle of elevation from Q to the top of chimney = 29°
R.L. of the line of collimation at P = 22.5 m
R.L. of the line of collimation at Q = 20.5 m
Determine the elevation of the top of the chimney.
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