Direct method of contouring is ............

An angle of deflection right, may be directly obtained by setting the instrument to read ............

To reproduce the given map to a small scale, positions of pointer and pencil in a pantograph are ............

A chain may get elongated due to ............

Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of…

To instrument resembling an alidade is ............

Centering error of a theodolite produces an error ............

The true meridian of a place is the line in which earth's surface in intersected by a plane through ............

Distance between two neighboring brass rings is ............