With the rise of temperature, the sensitivity of bubble tube ............

Sensitiveness of Bubble tube ............

The curve composed of two arcs of different radii having their centers on the opposite side of the curve, is known .....…

The horizontal angle between true meridian and magnetic meridian at a place is called ............

In a tacheometer provided with anallactic lens distance between object glass and vertical axis is 15 cm. Focal length of…

The space of cross-sections in a hilly country is usually ............

An angle between the inclined line of sight and the horizontal is called ............

Direct ranging is possible only when the end stations are ............

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