Surveying The elevation of the star at elongation is obtained by sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = cos φ sec δ 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 At eastern elongation, the pole star moves Westward Northward Eastward Southward Westward Northward Eastward Southward ANSWER DOWNLOAD EXAMIANS APP
Surveying A Nautical mile is One minute arc of the longitude All of these One minute arc of the great circle passing through two points 1855.109 m One minute arc of the longitude All of these One minute arc of the great circle passing through two points 1855.109 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The position of the sun when its north declination is maximum is known as Vernal equinox Summer solstice Winter solstice Autumnal equinox Vernal equinox Summer solstice Winter solstice Autumnal equinox ANSWER DOWNLOAD EXAMIANS APP
Surveying The error due to eccentricity of inner and outer axes can be eliminated by taking mean of several readings distributed over different portions of the graduated circle reading both verniers and taking the mean of the two taking both face observations and taking the mean of the two double sighting taking mean of several readings distributed over different portions of the graduated circle reading both verniers and taking the mean of the two taking both face observations and taking the mean of the two double sighting ANSWER DOWNLOAD EXAMIANS APP
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