Agate cap is fitted with ............

The error in measured length due to sag of chain or tape is known as ............

Contour lines ............

Correction for pull is ............

The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corre…

The "point of curve" of a simple circular curve is ............

The Simpson's rule of areas assumes that the portions of the boundary between the ends of ordinates are ............

For the Abney clinometer the semi-circular arc is graduated as ............

In horizontal angles, the error due to imperfect leveling of the plate bubble is ............