Reciprocal ranging is adopted when the following is encountered ............

Perpendicularity of an offset may be judged by eye, if the length of the offset is ............

The line in which the plane passing through the given point and the north and south poles intersects the surface of the …

In chain surveying tie lines are primarily provided ............

The chord of a curve less than peg interval, is known as ............

If the whole circle bearing of a line is 270° its reduced bearing is ............

Magnetic declination at any place ............

If the fore bearing of a line is N26°35'W, its back bearing will be ............

The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called ............