Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Perspective centre Ground plumb point Ground principal point Iso-centre Perspective centre Ground plumb point Ground principal point Iso-centre 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 principal point is f/H cos ½θ f/H f/H sec θ f sec θ/H f/H cos ½θ f/H f/H sec θ f sec θ/H 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 δ - θ θ - δ (θ + δ)/2 θ + δ δ - θ θ - δ (θ + δ)/2 ANSWER DOWNLOAD EXAMIANS APP
Surveying Pick up the correct statement for horizontal photographs. All listed here The lines parallel to the negative plane are projected as parallel lines The two sides of a road meet at the vanishing point Parallel lines do not appear parallel in central projection All listed here The lines parallel to the negative plane are projected as parallel lines The two sides of a road meet at the vanishing point Parallel lines do not appear parallel in central projection ANSWER DOWNLOAD EXAMIANS APP
Surveying For mapping any country Primary triangles are broken down into secondary triangles of somewhat lesser accuracy Geodetic triangulation of greatest possible sides and accuracy is carried out Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys All listed here Primary triangles are broken down into secondary triangles of somewhat lesser accuracy Geodetic triangulation of greatest possible sides and accuracy is carried out Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude (λ) of a place and the altitude (α) of the pole are related by λ = α λ = 180° - α λ = α - 90° λ = 90° - α λ = α λ = 180° - α λ = α - 90° λ = 90° - α ANSWER DOWNLOAD EXAMIANS APP