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Surveying - Engineering

Q1:

An imaginary line joining the points of equal elevation on the surface of the earth, represents

A contour surface

B contour gradient

C contour line

D level line

E none of these.

ANS:C - contour line

Contour line:
A line on a map joining points of equal height above or below sea level. Contouer lines same valu elevation points.
Contoured surface to indicate the earth surface levels.