Surveying
Refraction correction

completely eliminates curvature correction
has no effect on curvature correction
partially eliminates curvature correction
adds to the curvature correction

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Circumpolar stars

Rotate round the North Pole
Are seldom seen near the pole star
Rotate round the celestial pole
Remain always above the horizon

ANSWER DOWNLOAD EXAMIANS APP