The errors in levelling due to earths' curvature are

The included angles of a theodolite traverse, are generally measured

A freely floating needle slightly gets inclined to the horizontal anywhere except on the equator. It is called

Closed traverse is suitable in the survey of

In the method of plane table survey the object to be plotted is sighted from two plane table stations. This method is ca…

Which among the following is a procedure for computation of traverse area?

An imaginary line on the surface of the earth having a constant inclination with the horizontal (slope) is called

The least count of a vernier scale is

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