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Questions and Answers
What is the purpose of backsighting in plane table surveying?
What is the purpose of backsighting in plane table surveying?
- Setting up the instrument
- Determining the height difference between two points
- Checking the accuracy of the plotted points
- Establishing the magnetic meridian (correct)
In plane table surveying, what is the significance of the telescopicalidade accessory?
In plane table surveying, what is the significance of the telescopicalidade accessory?
- To measure horizontal distances
- To ensure perpendicularity of lines
- To measure vertical angles
- To adjust for collimation error (correct)
Which method of plane table surveying involves extending rays from a single point to locate new points?
Which method of plane table surveying involves extending rays from a single point to locate new points?
- Intersection
- Radiation (correct)
- Meridian
- Traversing
What is a notable merit of plane table surveying compared to other surveying methods?
What is a notable merit of plane table surveying compared to other surveying methods?
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Why is the magnetic meridian method used in setting up a plane table?
Why is the magnetic meridian method used in setting up a plane table?
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