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Q: ............is used to locate the boundaries of a field and to determine its area.
  • A. Cross staff survey
  • B. Levelling staff survey
  • C. Secondary area survey
  • D. Near distance survey
Correct Answer: Option A - Cross staff survey– Cross staff survey done to locate the boundaries of a field and to determine its area. A chain line is run through the centre of the area which is divided into a number of triangle and trapezoids.
A. Cross staff survey– Cross staff survey done to locate the boundaries of a field and to determine its area. A chain line is run through the centre of the area which is divided into a number of triangle and trapezoids.

Explanations:

Cross staff survey– Cross staff survey done to locate the boundaries of a field and to determine its area. A chain line is run through the centre of the area which is divided into a number of triangle and trapezoids.