Closed contours of decreasing values towards their centre, represent

The length of a ranging rod should be

The representative fraction of the scale 1cm = 1 kilometer will be

For a line AB

The telescope of a Dummy level

The object of surveying is to be prepare

The fundamental principle of surveying is to work from the

An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, …

Which of the following is the accurate method for plotting traverse area?