The desirable multiplying and additive constants for a tacheometer ............

The instrument used to reproduce plans to a different scale is called ............

An angle measured clockwise from the proceeding survey line to the following survey line is called ............

An inverted level staff is held when ............

Usefullness of plane table is enhanced by providing ............

While plane tabling in plane and open area, the most important operation for setting up the plane table is ............

The angle between two plane mirrors of the optical square is kept ............

The lines passing through points at which the magnetic declination is equal at a given time are called ............

The method of finding out the difference in elevation between two points for eliminating the effect of curvature and ref…