Question:
Instrument used to set out a right angle from chain line is ___ .
Instrument used to set out a right angle from chain line is ___ .
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In surveying, always use the cross-staff for accurate perpendicular line measurement when aligning points.
Updated On: May 3, 2025
- Ranging rod
- Plumb bob
- Cross-staff
- Levelling staff
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The Correct Option is C
Solution and Explanation
A cross-staff is the instrument used to set out a right angle from a chain line. It is commonly used in surveying to establish perpendicular lines for accurate measurements.
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