For the construction of highway

On a diagonal scale, it is possible to read up to

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

The height of instrument is equal to

In chain surveying, perpendiculars to the chain line, are set out by

The telescope of a Dummy level

A fixed point of reference of known elevation is called

The length of an Engineer's chain is

An imaginary line on the surface of the earth having a constant inclination with the horizontal (slope) is called