Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 7 (Q.No. 41)
41.
The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is
Discussion:
11 comments Page 2 of 2.
Muhammad Saqib said:
1 week ago
Angle = Arc/Radius.
Here,
Arc = (1.39-1.31)/5,
= 0.016.
Radius = 80m
Angle = 0.016/80
= 0.0002 rad.
(1 rad = 206264)
= 0.0002 x 2026264.
= 41.2528.
Here,
Arc = (1.39-1.31)/5,
= 0.016.
Radius = 80m
Angle = 0.016/80
= 0.0002 rad.
(1 rad = 206264)
= 0.0002 x 2026264.
= 41.2528.
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