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UPSC Civil Service Exam Questions - Engineering

Q1:

Which one of the following specifications for length of base line refers to Third Order Triangulation system ?

A 0.5 to 3 km

B 1.5 to 4 km

C 5 to 15 km

D 10 to 20 km

ANS:A - 0.5 to 3 km

In triangulation survey.

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