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Q: What is the longest of the main survey lines?
  • A. Check line
  • B. Tie line
  • C. Base line
  • D. Offset
Correct Answer: Option C - Base line – The line on which the framework of the survey is built is known as base line. It is most important line of the survey. • Generally the longest of the main survey line is considered as the base line. • This line should be taken through fairly level ground and should be measured very careful and accurately.
C. Base line – The line on which the framework of the survey is built is known as base line. It is most important line of the survey. • Generally the longest of the main survey line is considered as the base line. • This line should be taken through fairly level ground and should be measured very careful and accurately.

Explanations:

Base line – The line on which the framework of the survey is built is known as base line. It is most important line of the survey. • Generally the longest of the main survey line is considered as the base line. • This line should be taken through fairly level ground and should be measured very careful and accurately.