When the cross-hairs are not clearly visible ............

Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to ............

A pass or a saddle in a mountainous region ............

During chaining along a straight line, the leader of the party has 4 arrows in his hand while the follower has 6. Distan…

The error which is not completely eliminated in reciprocal levelling is ............

For indirect ranging, number of ranging rods required is ............

The very first reading taken is called ............

Substense bar is an instrument used for ............

The staff intercept will be ............