A well conditioned triangle has no angle less than ............

Designation of a curve is made by ............

The method of plane tabling commonly used for establishing the instrument stations only is a ............

In leveling, the correction for combined curvature and refraction (in metres) is equal to ............

When the whole circle bearing of a traverse line is between 90° and 180° then ............

Dumpy level is most suitable when ............

In an optical square, the angle between the first incident ray and the last reflected ray is ............

Survey is conducted at 40° C and the measured length was 5 km. If the chain was standardized at 20° C and co-efficient o…

In geodetic surveys higher accuracy is achieved, if ............