Surveying Pick up the correct statement for horizontal photographs. The lines parallel to the negative plane are projected as parallel lines All listed here The two sides of a road meet at the vanishing point Parallel lines do not appear parallel in central projection The lines parallel to the negative plane are projected as parallel lines All listed here The two sides of a road meet at the vanishing point Parallel lines do not appear parallel in central projection ANSWER DOWNLOAD EXAMIANS APP
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 H. f f/H H/f H + f H. f f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for parallax, is + .8" sin α - 8".8 cos α + 8".8 cos α - 8".8 cos α + .8" sin α - 8".8 cos α + 8".8 cos α - 8".8 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying The chord of a curve less than peg interval, is known as Small chord Normal chord Sub-chord Short chord Small chord Normal chord Sub-chord Short chord ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f sin θ f tan θ f sec θ f cos θ f sin θ f tan θ f sec θ f cos θ 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 =f/bH B = bH/f B = b/fH B = H/bf B =f/bH B = bH/f B = b/fH B = H/bf ANSWER DOWNLOAD EXAMIANS APP
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