Surveying
The necessary geometrical condition for triangulation adjustment is:

The sum of the three angles of a plane triangle should be 180°
All listed here
The sum of the angles around a station should be 360°
The sum of the eight angles of a braced quadrilateral should be 360°

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The cross hairs in the surveying telescope are placed

much closer to the eye-piece than to the objective lens
midway between eye piece and objec-tive lens
anywhere between eye-piece and objective lens
much closer to the objective lens than to the eye piece

ANSWER DOWNLOAD EXAMIANS APP