App Logo

No.1 PSC Learning App

1M+ Downloads
In levelling operation, the point of known elevation is termed as

ABench mark

BContour

CPlane

DBacksight

Answer:

A. Bench mark


Related Questions:

The effect of refraction is ---------- of that of the curvature
An Example for a level surface is:
Reciprocal ranging is adopted when the following is encountered:
Trigonometric levelling is also called:
Auxiliary theodolite station near an inaccessible main triangulation station: