Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.60 sq km 0.56 sq km 0.50 sq km 0.64 sq km 0.60 sq km 0.56 sq km 0.50 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) CenteringThe correct sequence of these operations is (i), (ii), (iii) (iii), (i), (ii) (ii), (iii), (i) (i), (iii), (ii) (i), (ii), (iii) (iii), (i), (ii) (ii), (iii), (i) (i), (iii), (ii) ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 6000 m 4000 m 7000 m 5000 m 6000 m 4000 m 7000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58 sin α 58" tan α 58" cot α 58 cos α 58 sin α 58" tan α 58" cot α 58 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying The following points form a pair of homologous points: Photo isocenter and ground isocenter Photo principal point and ground principal point Photo plumb point and ground plumb point All listed here Photo isocenter and ground isocenter Photo principal point and ground principal point Photo plumb point and ground plumb point All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Latitude of a place is the angular distance from Equator to the nearer pole None of these Equator to the poles Greenwich to the place Equator to the nearer pole None of these Equator to the poles Greenwich to the place ANSWER DOWNLOAD EXAMIANS APP
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