An angle measured clockwise from the proceeding survey line to the following survey line is called

In the method of plane table survey the object to be plotted is sighted from two plane table stations. This method is ca…

An obstacle which obstructs both chaining and ranging may be

Reduced bearing is:

In case of a double line river, contours are

Contours of different elevations may cross each other only in the case of the

Tacheometry is best suited

The least count of prismatic compass is

Direct ranging is possible only when the end stations are