In a survey it was recorded that Σ Rise = 0, then

A well conditioned triangle has no angle less than

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

Isogonics lines are the lines having the same

The method of intersection in plane tabling is commonly used for

When a chain is used at a temperature more than the temperature it was calibrated, the error in measured length will be

A relatively fixed point of known elevation above datum, is called

Levelling deals with measurements in

The missing station of the ground survey can be found out with the help of