Q. An imaginary line tangential to the longitudinal curve of the level at the centre of the axis called ?

(A) horizontal axis
(B) vertical axis
(C) axis of the level tube
(D) line of collimation

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✅ Correct Answer: (C) axis of the level tube

Published by Rakesh Kumar ⭐ 28.44K Points at 23-Feb-2025 03:43 pm in Surveying

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