Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 3 (Q.No. 18)

Surveying

18.

While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates

the rotation axis is vertical

the trummion axis is horizontal

the line of collimation is perpendicular to vertical axis

none of the above

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

4 comments Page 1 of 1.

Fakhar Naveed said: 7 months ago

An axis about which the telescope can be rotated in a horizontal plane is Vertical Axis.

Pankaj said: 5 years ago

Option C is also correct.

Rajesh said: 6 years ago

Please explain the answer.

Kesavan said: 6 years ago

C also correct option.

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