

Surveying - Engineering
Q1: 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, isA
28.8 secs
B
41.25 secs
C
14.52 secs
D
25.05
E
none of these
ANS:B - 41.25 secs We know angular value, α =( S/nD) * 206265. |


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