Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.50 sq km 0.60 sq km 0.56 sq km 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km 0.64 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The necessary geometrical condition for triangulation adjustment is: The sum of the three angles of a plane triangle should be 180° All listed here The sum of the angles around a station should be 360° The sum of the eight angles of a braced quadrilateral should be 360° The sum of the three angles of a plane triangle should be 180° All listed here The sum of the angles around a station should be 360° The sum of the eight angles of a braced quadrilateral should be 360° 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
Surveying The difference in longitude of two places expressed in time is equal to the difference in their Sidereal time All listed here Apparent solar time Mean solar time Sidereal time All listed here Apparent solar time Mean solar time ANSWER DOWNLOAD EXAMIANS APP
Surveying If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is 75 m 25 m 50 m 7.5 m 75 m 25 m 50 m 7.5 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The horizontal angle between the true meridian and magnetic meridian at a place is called azimuth magnetic bearing local attraction declination azimuth magnetic bearing local attraction declination ANSWER DOWNLOAD EXAMIANS APP