Surveying Local attraction in compass surveying may exist due to presence of magnetic substances near the instrument friction of the needle at the pivot incorrect levelling of the magnetic needle loss of magnetism of the needle presence of magnetic substances near the instrument friction of the needle at the pivot incorrect levelling of the magnetic needle loss of magnetism of the needle ANSWER DOWNLOAD EXAMIANS APP
Surveying The following points form a pair of homologous points: Photo plumb point and ground plumb point Photo isocenter and ground isocenter All listed here Photo principal point and ground principal point Photo plumb point and ground plumb point Photo isocenter and ground isocenter All listed here Photo principal point and ground principal point ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58 cos α 58 sin α 58" cot α 58" tan α 58 cos α 58 sin α 58" cot α 58" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying The height displacement on a vertical photograph Increases as the ground elevation increases Increases as the horizontal distance increases from the principal point Decreases as the flying height increases All listed here Increases as the ground elevation increases Increases as the horizontal distance increases from the principal point Decreases as the flying height increases All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Pick up the incorrect statement from the following. High oblique photographs May not include the image of the horizon May include the image of the horizon None of these May have tilt up to 30° May not include the image of the horizon May include the image of the horizon None of these May have tilt up to 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method is not suitable for levelling with tilting levels provides a check on the reduction of intermediate point levels is less accurate than height of instrument method quicker and less tedious for large number of intermediate sights is not suitable for levelling with tilting levels provides a check on the reduction of intermediate point levels is less accurate than height of instrument method quicker and less tedious for large number of intermediate sights ANSWER DOWNLOAD EXAMIANS APP