The error due to bad ranging is ............

If the fore bearing of a line is 36°15', its back bearing will be ............

The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, i…

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

Which of the following is not used in measuring perpendicular offsets?

An ideal vertical curve to join two gradients, is ............

Due to curvature of earth the object ............

The sensitivity of bubble tube can be increased by ............

Ceylon Ghat tracer can read slopes up to ............