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JordanThe principle of theodolite survey involves using a theodolite, a precision instrument with a rotating telescope, to measure horizontal and vertical angles in surveying and construction. By sighting through the telescope at specific points, surveyors can determine the angles and distances between objects, enabling accurate mapping and layout of land and structures. This tool is essential for precise measurements and alignment in construction projects.
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What is magnetic bearing of line in theodolite survey?
The magnetic bearing of a line in theodolite surveying is the horizontal angle measured clockwise from the magnetic north direction to the line. This bearing is used to orient the theodolite and accurately measure angles during surveying work. It is important to account for magnetic declination when converting magnetic bearings to true bearings.
Why is it necessary to take both the vernier readings of theodolite?
Taking both the upper and lower vernier readings of the theodolite helps to eliminate any errors caused by misalignment or wear in the instrument, resulting in a more accurate measurement. Comparing the two readings can also help detect any potential issues with the theodolite's precision.
What is the difference between the principle of Tacheometric survey and Totalstation survey?
Tacheometric surveying involves measuring horizontal and vertical distances using a stadia rod and a tacheometer, allowing for rapid data collection and calculations. Total station surveying, on the other hand, integrates electronic distance measurement (EDM) technology with a theodolite and other instruments to accurately measure angles, distances, and elevations more efficiently. Total stations offer faster and more precise data collection compared to traditional tacheometric methods.
How do you spell the word survey?
The word is spelled "survey."
What is parcellary survey?
a survey
