Surveying The maximum error in radial line assumption, is h/H f tan θ h/H f cos θ h/H f² tan θ h/H f² sin θ h/H f tan θ h/H f cos θ h/H f² tan θ h/H f² sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The error due to eccentricity of inner and outer axes can be eliminated by reading both verniers and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle taking both face observations and taking the mean of the two double sighting reading both verniers and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle taking both face observations and taking the mean of the two double sighting ANSWER DOWNLOAD EXAMIANS APP
Surveying The adjustment of horizontal cross hair is required particularly when the instrument is used for leveling All of these prolonging a straight line measurement of horizontal angles leveling All of these prolonging a straight line measurement of horizontal angles ANSWER DOWNLOAD EXAMIANS APP
Surveying The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is ½f 3f2 2f2 f2 ½f 3f2 2f2 f2 ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 30° 60° 90° 45° 30° 60° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Focal length Isocentric distance Principal line Principal distance Focal length Isocentric distance Principal line Principal distance ANSWER DOWNLOAD EXAMIANS APP