If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is taken ............

Magnetic declination at any place ............

The main object of running a tie line is ............

The capacity of a telescope of producing a sharp image is called its ............

Ina precision traverse, included angles are measured by setting the vernier ............

In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to ............

In a direct vernier, the smallest division of a vernier is ............ the smallest division of its primary scale.

While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its t…

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