LevelingSensitivity of the Level TubeTheory & Practice in Surveying

Sensitivity of the Level Tube – Problem 1

The desired sensitivity of a bubble tube with 2mm. divisions is 30″. What should be the radius of the level tube?
    1. 13.75m.
    2. 14.75m.
    3. 15.75m.
    4. 16.75m.

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