Surveying The zenith is the point on the celestial sphere West of observer North of observer East of observer South of observer West of observer North of observer East of observer South of observer ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 45° 90° 30° 60° 45° 90° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Surveying Triangulation surveys are carried out for locating Control points for photogrammetric surveys Control points for surveys of large areas All of these Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. Control points for photogrammetric surveys Control points for surveys of large areas All of these Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h (tan α + tan β)/S h (tan α - tan β)/S h tan β/S h tan α/S h (tan α + tan β)/S h (tan α - tan β)/S h tan β/S h tan α/S ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to eccentricity of verniers error due to imperfect adjustment of plate levels error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to eccentricity of verniers error due to imperfect adjustment of plate levels error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on foresight backsight All of these intermediate sight foresight backsight All of these intermediate sight ANSWER DOWNLOAD EXAMIANS APP
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