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 7000 m 4000 m 6000 m 5000 m 7000 m 4000 m 6000 m 5000 m 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 f/H sec θ f sec θ/H f/H cos ½θ f/H f/H sec θ f sec θ/H f/H cos ½θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude: Vernal equinox True sun Mean sun All listed here Vernal equinox True sun Mean sun All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying At upper culmination, the pole star moves Westward Eastward Southward Northward Westward Eastward Southward Northward 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 = H/bf B = bH/f B =f/bH B = b/fH B = H/bf B = bH/f B =f/bH ANSWER DOWNLOAD EXAMIANS APP
Surveying If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be +50 m, -86.6 m +70.7 m, -50 m +86.6 m, -50 m +50 m, +86.6 m +50 m, -86.6 m +70.7 m, -50 m +86.6 m, -50 m +50 m, +86.6 m ANSWER DOWNLOAD EXAMIANS APP