Surveying The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is 5.5 mm 6.5 mm 7.5 mm 4.4 mm 5.5 mm 6.5 mm 7.5 mm 4.4 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying If the distance between the projectors is altered by a movement along X-axis of one projector, The length of the air base is increased All listed here y-parallax is not affected The scale of the model is altered The length of the air base is increased All listed here y-parallax is not affected The scale of the model is altered ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = b/fH B =f/bH B = bH/f B = H/bf B = b/fH B =f/bH B = bH/f B = H/bf 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° The sum of the angles around a station should be 360° All listed here 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° The sum of the angles around a station should be 360° All listed here The sum of the eight angles of a braced quadrilateral should be 360° ANSWER DOWNLOAD EXAMIANS APP
Surveying The station where observations are not made, but the angles at the station are used in triangulation series, is known as Pivot station Main station Satellite station Subsidiary station Pivot station Main station Satellite station Subsidiary station ANSWER DOWNLOAD EXAMIANS APP
Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 4 cm 2 cm 3 cm 1 cm 4 cm 2 cm 3 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP