Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 6 (Q.No. 29)
29.
Which one of the following specifications for length of base line refers to Third Order Triangulation system ?
0.5 to 3 km
1.5 to 4 km
5 to 15 km
10 to 20 km
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Anil said:   3 years ago
Need an explanation of the answer, please.

Rahul verma said:   3 years ago
In triangulation survey.

Primary 5-15.
Secondary 1. 5-5.
Tertiary. 5-3.

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