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UPSC Civil Service Exam Questions - Engineering

Q1:

Which one of the following statements about photogrammetric surveying is correct ? The relief displacement

A decreases with increase in flying height

B in negative for a point above datum

C decreases as the distance of the object from the principal point increases

D of the point is not affected by the tilt of the photograph.

ANS:A - decreases with increase in flying height

No answer description is available.