Surveying If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is cos (90° - δ)/cos (90° - λ) tan (90° + δ)/tan (90° + λ) cos δ/cos λ sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) tan (90° + δ)/tan (90° + λ) cos δ/cos λ sin (90° - δ)/sin (90° - λ) ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between Zenith and pole Equator and zenith Horizon and equator Pole and horizon Zenith and pole Equator and zenith Horizon and equator Pole and horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the celestial sphere vertically below the observer's position, is called Pole Celestial point Zenith Nadir Pole Celestial point Zenith Nadir ANSWER DOWNLOAD EXAMIANS APP
Surveying The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is 5.5 mm 7.5 mm 6.5 mm 4.4 mm 5.5 mm 7.5 mm 6.5 mm 4.4 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to curvature only error due to both curvature and re-fraction error due to refraction only None of these error due to curvature only error due to both curvature and re-fraction error due to refraction only None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.50 sq km 0.56 sq km 0.60 sq km 0.64 sq km 0.50 sq km 0.56 sq km 0.60 sq km ANSWER DOWNLOAD EXAMIANS APP
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