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

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

When the length of a chord is less than the peg interval, it is known as ............

Number of subdivisions per metre length of a leveling staff is ............

Anallatic lens is provided to ............

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

An imaginary line tangential to the longitudinal curve of the level at the centre of the tie is called ............

The surveying used to determine additional details such as boundaries of fields, is called ............

Handles of chains are made up of ............