Surveying The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is Declination and altitude system Declination and right ascension system Declination and hour angle system Altitude and azimuth system Declination and altitude system Declination and right ascension system Declination and hour angle system Altitude and azimuth system ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58" cot α 58 cos α 58" tan α 58 sin α 58" cot α 58 cos α 58" tan α 58 sin α 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 plumb point, is f sec θ/H f/H cos ½θ f/H sec θ f/H f sec θ/H f/H cos ½θ f/H sec θ f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is Negative for points below datum Zero for points vertically below the air station Positive for points above datum All listed here Negative for points below datum Zero for points vertically below the air station Positive for points above datum All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying In a tropical year, the numbers of sidereal days are 365.2422 366.2422 365.2224 365 365.2422 366.2422 365.2224 365 ANSWER DOWNLOAD EXAMIANS APP
Surveying Latitude of the observer's position is equal to altitude of North pole Celestial pole Pole star All of these North pole Celestial pole Pole star All of these ANSWER DOWNLOAD EXAMIANS APP
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