Question:
For minor adjustment of horizontal angles measured using a theodolite, the tangential screw is adjusted after
For minor adjustment of horizontal angles measured using a theodolite, the tangential screw is adjusted after
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Think of clamping as locking the instrument in place before making precise adjustments with the tangential screw.
Updated On: May 6, 2025
- \( \text{Both the planes are unclamped} \)
- \( \text{The lower plate is clamped and the upper plate is unclamped} \)
- \( \text{The upper plate is clamped and the lower plate is unclamped} \)
- \( \text{Both the plates are clamped} \)
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The Correct Option is D
Solution and Explanation
For minor adjustments of horizontal angles with a theodolite, the tangential screw is adjusted after both the upper and lower plates are clamped. This ensures that the instrument is stable while making fine movements.
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