While rotating the theodolite in the horizontal plane, the bubble of t – McqOptions

MCQOPTIONS

1.	While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates
A.	the rotation axis is vertical
B.	the trummion axis is horizontal
C.	the line of collimation is perpendicular to vertical axis
D.	none of the above
Answer» B. the trummion axis is horizontal

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