Isogonic lines are the lines having the same ............

The angle by which the forward tangent deflects from the back tangent of a curve is known as ............

The degree of the curve is the angle subtended by a chord of ............ length.

The line normal to the plumb line is known as ............

It is more convenient and gives better results while measuring horizontal distance ............ by stepping method.

Which of the following methods of contouring is most suitable for hilly terrain?

The projection of a traverse line on a line parallel to the meridian is known as ......... of the line.

Anallatic lens is a ............

A 20 long chain when should not show an error exceeding ............