Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 15 (Q.No. 12)
12.
Heliograph is a type of
instrument used for recording the movement of sun
instrument used for contouring an area
electronic distance measuring device
sun signal used in triangulation work
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
Be the first person to comment on this question !

Post your comments here:

Your comments will be displayed after verification.