Surveying
Pick up the incorrect statement from the following. In a spherical triangle

Sum of any two sides is greater than the third
Sum of the three angles less than six right angles and greater than two right angles
Every angle is less than two right angles
Sum of the three angles is equal to two right angles

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