The theodolite method off setting out a curve involves ............

The maximum tolerance in 20 m chain is ............

While surveying a plot of land by plane tabling, the field observations ............

For the Abney clinometer the semi-circular arc is graduated as ............

The reduced bearing of a line is N 87° W. Its whole bearing is ............

A chain is made up mild steel or galvanized iron wire of diameter ............

An instrument used for ranging is ............

Offsets are ............

The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectivel…