Surveying
The cross hairs in the surveying telescope are placed

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

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The necessary geometrical condition for triangulation adjustment is:

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

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The error due to eccentricity of inner and outer axes can be eliminated by

taking mean of several readings distributed over different portions of the graduated circle
reading both verniers and taking the mean of the two
taking both face observations and taking the mean of the two
double sighting

ANSWER DOWNLOAD EXAMIANS APP