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Q: In surveying, a point is established using:
  • A. at least two points of reference
  • B. at the most three points of reference
  • C. at least two, already fixed points of reference
  • D. at the most two, already fixed points of reference
Correct Answer: Option C - Principle of surveying– (i) Working from whole to the part: To eliminate the accumulation of error. (ii) Location of a point by measurement from two points of reference which are already fixed.
C. Principle of surveying– (i) Working from whole to the part: To eliminate the accumulation of error. (ii) Location of a point by measurement from two points of reference which are already fixed.

Explanations:

Principle of surveying– (i) Working from whole to the part: To eliminate the accumulation of error. (ii) Location of a point by measurement from two points of reference which are already fixed.