Surveying
The allowable length of an offset depends upon the

method of setting out the perpendiculars and nature of ground
degree of accuracy required
scale of plotting
All of these

ANSWER DOWNLOAD EXAMIANS APP

Surveying
A ’level line’ is a

horizontal line
line passing through the objective lens and the eye-piece of a dumpy or tilting level
line parallel to the mean spheriodal surface of earth
line passing through the center of cross hairs and the center of eye piece

ANSWER DOWNLOAD EXAMIANS APP