Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by sin H = tan φ . cot δ None of these cos H = tan φ . cot δ tan H = tan φ . cot δ sin H = tan φ . cot δ None of these cos H = tan φ . cot δ tan H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains Principal point All of these Iso-centre Nadir point Principal point All of these Iso-centre Nadir point ANSWER DOWNLOAD EXAMIANS APP
Surveying The length of a parallel of λ latitude between two meridians is equal to difference in longitudes multiplied by cot λ sin λ cos λ tan λ cot λ sin λ cos λ tan λ ANSWER DOWNLOAD EXAMIANS APP
Surveying Parallax bar measures Height difference Parallax Parallax difference Height Height difference Parallax Parallax difference Height 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 Horizon and equator Pole and horizon Zenith and pole Equator and zenith Horizon and equator Pole and horizon Zenith and pole Equator and zenith ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = cos φ cosec δ sin α = sin φ sec δ sin α = sin φ cosec δ sin α = cos φ sec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = sin φ cosec δ sin α = cos φ sec δ ANSWER DOWNLOAD EXAMIANS APP
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