Surveying For a line AB the forebearing of AB and back bearing of AB differ by 180° both (A) and (B) are correct none is correct the forebearing of AB and back bearing of BA differ by 180° the forebearing of AB and back bearing of AB differ by 180° both (A) and (B) are correct none is correct the forebearing of AB and back bearing of BA differ by 180° ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a line parallel to the mean spheriodal surface of earth horizontal line line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth horizontal line line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas levelling measurement of angles measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas levelling measurement of angles ANSWER DOWNLOAD EXAMIANS APP
Surveying Longitudes are measured from 0° to 180° east or westward 360° eastward 180° westward 180° eastward 180° east or westward 360° eastward 180° westward 180° eastward ANSWER DOWNLOAD EXAMIANS APP
Surveying If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to 3° 1° 4° 2° 3° 1° 4° 2° ANSWER DOWNLOAD EXAMIANS APP
Surveying The nautical mile is the length of 1 minute of latitude 1 minute of longitude 1 degree of longitude 1 degree of latitude 1 minute of latitude 1 minute of longitude 1 degree of longitude 1 degree of latitude ANSWER DOWNLOAD EXAMIANS APP