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 f/H H/f H. f H + f f/H H/f H. f H + f ANSWER DOWNLOAD EXAMIANS APP
Surveying The slotted template method Is suitable for large areas with less control All listed here Is rapid and accurate Is prepared, by graphical method Is suitable for large areas with less control All listed here Is rapid and accurate Is prepared, by graphical method ANSWER DOWNLOAD EXAMIANS APP
Surveying The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is f2 ½f 3f2 2f2 f2 ½f 3f2 2f2 ANSWER DOWNLOAD EXAMIANS APP
Surveying Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as Tip None of these Tilt Swing Tip None of these Tilt Swing ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is f/H cos ½θ f/H f/H sec θ f sec θ/H f/H cos ½θ f/H f/H sec θ f sec θ/H ANSWER DOWNLOAD EXAMIANS APP
Surveying A metallic tape is made of steel invar linen cloth and wires steel invar linen cloth and wires ANSWER DOWNLOAD EXAMIANS APP