Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 1 (Q.No. 6)
6.
The radius of curvature of the arc of the bubble tube is generally kept
10 m
25 m
50 m
100 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
44 comments Page 5 of 5.

Kedir wedajo said:   10 years ago
The answer is 100 m from surveying technology department in Ethiopia.

Priyanka said:   1 decade ago
Why it is at 100m?

Maan said:   1 decade ago
It is generally b/w 10 to 300 m.

Ankit said:   1 decade ago
The radius of curvature of the arc bubble is very sensitive when if you put it the center in experiment. It will give you correct image of line of sight. Bubble tube is generally to fix at 100m distance.


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