Surveying If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good cos H = tan λ/tan δ sin A = cos δ/cos λ All listed here sin α = sin λ/sin δ cos H = tan λ/tan δ sin A = cos δ/cos λ All listed here sin α = sin λ/sin δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The size of a plane table is 450 mm × 600 mm 750 mm × 900 mm 600 mm × 750 mm 300 mm × 450 mm 450 mm × 600 mm 750 mm × 900 mm 600 mm × 750 mm 300 mm × 450 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying For any star to be a circumpolar star, its Declination must be 90° Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° Declination must be 90° Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° ANSWER DOWNLOAD EXAMIANS APP
Surveying In a truly vertical photograph, All listed here Plumb point coincides the principal point Iso-centre coincides the plumb point Principal point coincides the isocenter All listed here Plumb point coincides the principal point Iso-centre coincides the plumb point Principal point coincides the isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 40° 30° 20° 10° 40° 30° 20° 10° ANSWER DOWNLOAD EXAMIANS APP
Surveying The zenith is the point on the celestial sphere East of observer South of observer West of observer North of observer East of observer South of observer West of observer North of observer ANSWER DOWNLOAD EXAMIANS APP
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