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Q: In indirect ranging, minimum number of ranging rods required is?
  • A. Five
  • B. Four
  • C. Two
  • D. Three
Correct Answer: Option B - Indirect ranging is adopted when two ends of survey line are not visible from either of the station due to hill or high ground between them. • Direct ranging minimum number of ranging rods required 3 and in indirect ranging minimum number of ranging rods required 4.
B. Indirect ranging is adopted when two ends of survey line are not visible from either of the station due to hill or high ground between them. • Direct ranging minimum number of ranging rods required 3 and in indirect ranging minimum number of ranging rods required 4.

Explanations:

Indirect ranging is adopted when two ends of survey line are not visible from either of the station due to hill or high ground between them. • Direct ranging minimum number of ranging rods required 3 and in indirect ranging minimum number of ranging rods required 4.