Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 2 (Q.No. 40)
40.
When the bubble of the level tube of a level, remains central
Discussion:
10 comments Page 1 of 1.
Vilasagaram Rajesh Kumar said:
3 years ago
I agree, it should be option B.
Athens Yadav said:
4 years ago
Line of collimation is only horizontal but line of sight is inclined or horizontal.
Jatin said:
5 years ago
Option A and C are not the same. When the line of sight is horizontal it is called the line of collimation.
Kishor gurjar said:
5 years ago
Line of sight is horizontal is the correct answer.
Ujjwal said:
5 years ago
The Answer should be axis of bubble tube.
Ref: R .Agor.
Ref: R .Agor.
(1)
Aditya said:
7 years ago
Yes, you are right, Agree @Wajid Afridi.
Sam said:
7 years ago
Why not option B?
(1)
Wajid afridi said:
7 years ago
Line of collimation is only horizontal in levelling operation, in case of finding angles, we call it line of sight, not line of collimation.
(2)
Divid said:
7 years ago
Yes, I too think they are one and the same.
MD Irshad alam said:
8 years ago
The line of sight and line of collimation is same.
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