A traverse deflection angle is ............

Diaphragm of a surveying telescope is held inside ............

The reduced level of a point on the ground is called ............

While measuring with a metallic tape of 30 m length pull should be applied ............

In leveling, the effect of refraction may be taken as ............ of that due to curvature.

The method generally preferred to for contouring an undulating area, is ............

Substense bar is an instrument used for ............

q1 and q2 are the angles of elevation from A to the top and bottom of vertically held rod of length S at B. The horizont…

For the construction of highway (or railway) ............