Surveying The following points form a pair of homologous points: All listed here Photo plumb point and ground plumb point Photo principal point and ground principal point Photo isocenter and ground isocenter All listed here Photo plumb point and ground plumb point Photo principal point and ground principal point Photo isocenter and ground isocenter 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 cosec δ sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be 1000 km 500 km 800 km 600 km 1000 km 500 km 800 km 600 km 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 plumb point, is f/H cos ½θ f/H sec θ f sec θ/H f/H f/H cos ½θ f/H sec θ f sec θ/H f/H 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 0.60 sq km 0.50 sq km 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the azimuth when it is At culmination Neither at culmination nor at elongation Either at culmination or at elongation At elongation At culmination Neither at culmination nor at elongation Either at culmination or at elongation At elongation ANSWER DOWNLOAD EXAMIANS APP