Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is H. f H/f f/H H + f H. f H/f f/H H + f ANSWER DOWNLOAD EXAMIANS APP
Surveying Parallax bar measures Height difference Parallax difference Height Parallax Height difference Parallax difference Height Parallax ANSWER DOWNLOAD EXAMIANS APP
Surveying Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as Tip Swing None of these Tilt Tip Swing None of these Tilt ANSWER DOWNLOAD EXAMIANS APP
Surveying The relief displacement of a building 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is 1000 m 2000 m 500 m 1500 m 1000 m 2000 m 500 m 1500 m 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) (i), (iii), (ii) (ii), (iii), (i) (i), (ii), (iii) (iii), (i), (ii) (i), (iii), (ii) (ii), (iii), (i) ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is Zero for points vertically below the air station All listed here Positive for points above datum Negative for points below datum Zero for points vertically below the air station All listed here Positive for points above datum Negative for points below datum ANSWER DOWNLOAD EXAMIANS APP
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