For minor adjustment of horizontal angles measured using a theodolite, the tangential screw is adjusted after
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- \( \text{Both the planes are unclamped} \)
- \( \text{The lower plate is clamped and the upper plate is unclamped} \)
- \( \text{The upper plate is clamped and the lower plate is unclamped} \)
- \( \text{Both the plates are clamped} \)
The Correct Option is D
Solution and Explanation
Top Questions on Surveying
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