Surveying
Accidental errors

All of these
Do not follow any definite mathematical law
Cannot be removed by applying corrections to the observed values
Are generally small

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Homologous points are

Corresponding points on the ground and photograph
Nodal points of the camera lens
Plumb points of stereo pair of photographs
Opposite corners of a photograph

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The necessary geometrical condition for triangulation adjustment is:

The sum of the angles around a station should be 360°
All listed here
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