Computer · Advanced Surveying
What is the underlying principle involved in the movable-hair method of tacheometry?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Trigonometric leveling is used directly for calculating horizontal distance.
- 2The stadia wires can be moved to obtain a constant intercept on the leveling staff.✓
- 3The distance is evaluated primarily by measuring two vertical angles.
- 4The distance is directly proportional to a variable intercept on a fixed stadia rod.
Correct answer
The stadia wires can be moved to obtain a constant intercept on the leveling staff.
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