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 sec θ/H f/H sec θ f/H cos ½θ f/H f sec θ/H f/H sec θ f/H cos ½θ 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 4000 m 6000 m 7000 m 5000 m 4000 m 6000 m 7000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called True horizon Rational horizon All of these Celestial horizon True horizon Rational horizon All of these Celestial horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between Zenith and pole Equator and zenith Horizon and equator Pole and horizon Zenith and pole Equator and zenith Horizon and equator Pole and horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying Parallax bar measures Parallax difference Parallax Height Height difference Parallax difference Parallax Height Height difference ANSWER DOWNLOAD EXAMIANS APP
Surveying Sensitiveness of a level tube is designated by None of these length of bubble of level tube length of level tube radius of level tube None of these length of bubble of level tube length of level tube radius of level tube ANSWER DOWNLOAD EXAMIANS APP
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