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 = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be 9 h 00 m 7 h 00 m 7 h 30 m 8 h 00 m 9 h 00 m 7 h 00 m 7 h 30 m 8 h 00 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = b/fH B =f/bH B = H/bf B = bH/f B = b/fH B =f/bH B = H/bf B = bH/f ANSWER DOWNLOAD EXAMIANS APP
Surveying The smaller horizontal angle between the true meridian and a survey line, is known Bearing Dip Declination Azimuth Bearing Dip Declination Azimuth ANSWER DOWNLOAD EXAMIANS APP
Surveying At lower culmination, the pole star moves Southward Northward Eastward Westward Southward Northward Eastward Westward ANSWER DOWNLOAD EXAMIANS APP
Surveying If θ and δ be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is (θ + δ)/2 θ + δ θ - δ δ - θ (θ + δ)/2 θ + δ θ - δ δ - θ ANSWER DOWNLOAD EXAMIANS APP
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