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UPSC Civil Service Exam Questions - Engineering

Q1:

Which one of the following surveys is employed for collecting sufficient data in connection with sewage disposal and water supply works ?

A Topographic survey

B Cadastral survey

C Geodetic survey

D Cross-sectioning and profile levelling

ANS:D - Cross-sectioning and profile levelling

Profile leveling is the process of determing the elevation of points at short measured interval along a fixed line such as the centre line of a railway, highways, canals or sewer.