Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 1 cm 2 cm 3 cm 4 cm 1 cm 2 cm 3 cm 4 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to loss of magnetism of the needle friction of the needle at the pivot incorrect levelling of the magnetic needle presence of magnetic substances near the instrument loss of magnetism of the needle friction of the needle at the pivot incorrect levelling of the magnetic needle presence of magnetic substances near the instrument ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a 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 line parallel to the mean spheriodal surface of earth ANSWER DOWNLOAD EXAMIANS APP
Surveying The size of a plane table is 600 mm × 750 mm 300 mm × 450 mm 450 mm × 600 mm 750 mm × 900 mm 600 mm × 750 mm 300 mm × 450 mm 450 mm × 600 mm 750 mm × 900 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of parallax for a given difference in elevation is independent of Percentage of overlap All listed here Overall size of the photo graphs Focal length of the camera Percentage of overlap All listed here Overall size of the photo graphs Focal length of the camera ANSWER DOWNLOAD EXAMIANS APP
Surveying The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude: All listed here True sun Mean sun Vernal equinox All listed here True sun Mean sun Vernal equinox ANSWER DOWNLOAD EXAMIANS APP