Surveying Triangulation surveys are carried out for providing Both planimetric and height control Planimetric control Height control None of these Both planimetric and height control Planimetric control Height control None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan α/S h (tan α - tan β)/S h (tan α + tan β)/S h tan β/S h tan α/S h (tan α - tan β)/S h (tan α + tan β)/S h tan β/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The time interval between successive transits of the moon, is 20 hours 25 minutes 24 hours 50 minutes 24 hours 10 minutes 23 hours 50 minutes 20 hours 25 minutes 24 hours 50 minutes 24 hours 10 minutes 23 hours 50 minutes ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 60° 90° 30° 45° 60° 90° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Surveying In the double application of principle of reversion, the apparent error is half the true error equal to true error two times the true error four times the true error half the true error equal to true error two times the true error four times the true error ANSWER DOWNLOAD EXAMIANS APP
Surveying The parallax of a point on the photograph is due to Flying height Ground elevation All listed here Length of air base Flying height Ground elevation All listed here Length of air base ANSWER DOWNLOAD EXAMIANS APP