An instrument was setup at P and angle of elevation to a vane 4 m above the foot of staff held at Q was 9° 30'. The horizontal distance between P and Q was known to be 2000 m. What is the R.L. (in m) of staff station Q? [Given that the R.L. of instrument axis was 2650.38 m and consider refraction and curvature corrections]
An instrument was setup at P and angle of elevation to a vane 4 m above the foot of staff held at Q was 9° 30'. The horizontal distance between P and Q was known to be 2000 m. What is the R.L. (in m) of staff station Q? [Given that the R.L. of instrument axis was 2650.38 m and consider refraction and curvature corrections]
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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fr
An instrument was setup at P and angle of elevation to a vane 4 m above the foot of
staff held at Q was 9° 30'. The horizontal distance between P and Q was known to
be 2000 m. What is the R.L. (in m) of staff station Q?
[Given that the R.L. of instrument axis was 2650.38 m and consider refraction and
curvature corrections]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F461a21c9-04bb-4b05-b2e1-de93f19c0ff9%2Fa4f43da9-2b22-4535-a55f-ee2ec6314e0a%2F6yagd6t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:OV
VE
fr
An instrument was setup at P and angle of elevation to a vane 4 m above the foot of
staff held at Q was 9° 30'. The horizontal distance between P and Q was known to
be 2000 m. What is the R.L. (in m) of staff station Q?
[Given that the R.L. of instrument axis was 2650.38 m and consider refraction and
curvature corrections]
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