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UPSC Civil Service Exam Questions - Engineering

Q1:

Which one of the following is the best method for locating sounding to estimate the dredged material from the harbours ?

A Two angles from shore

B Two angles from boat

C One angle from shore and other from the boat

D Fixed intersecting ranges

ANS:C - One angle from shore and other from the boat

Option D is correct.

To know the amount of silting or scouring (dredged material) that happened at that point, we use intersecting method.