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.
Jay Ghosh said:
10 years ago
206265 = s/d.
s = 1.39-1.31 = 0.08 m/5 div.
= (206265*0.08)/80.
= 206.265 sec/5 div.
= (206.265*1)/5.
= 41.253 sec/1 div.
Answer B.
s = 1.39-1.31 = 0.08 m/5 div.
= (206265*0.08)/80.
= 206.265 sec/5 div.
= (206.265*1)/5.
= 41.253 sec/1 div.
Answer B.
(1)
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