Surveying The angle between the axis of earth and the vertical at the station of observation is called Declination of star Co-declination of star Astronomical co-latitude Astronomical latitude Declination of star Co-declination of star Astronomical co-latitude Astronomical latitude ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors cannot be eliminated by taking both face observations ? error due to non-parallelism of the axis of telescope level and line of collimation None of these index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to horizontal axis not being perpendicular to the vertical axis error due to non-parallelism of the axis of telescope level and line of collimation None of these index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to horizontal axis not being perpendicular to the vertical axis ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports All of these Sag = L³w²/24P² where w is the weight of tape/m Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports All of these Sag = L³w²/24P² where w is the weight of tape/m ANSWER DOWNLOAD EXAMIANS APP
Surveying Horizontal distances obtained by thermometric observations require slope correction do not require slope and tension corrections require tension correction require slope and tension corrections require slope correction do not require slope and tension corrections require tension correction require slope and tension corrections ANSWER DOWNLOAD EXAMIANS APP
Surveying To avoid large centering error with very short legs, observations are generally made By using optical system for centering the theodolite All listed here To chain pins To a target fixed on theodolite tripod on which theodolite may be fitted easily By using optical system for centering the theodolite All listed here To chain pins To a target fixed on theodolite tripod on which theodolite may be fitted easily ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a line passing through the objective lens and the eye-piece of a dumpy or tilting level line passing through the center of cross hairs and the center of eye piece horizontal line line parallel to the mean spheriodal surface of earth line passing through the objective lens and the eye-piece of a dumpy or tilting level line passing through the center of cross hairs and the center of eye piece horizontal line line parallel to the mean spheriodal surface of earth ANSWER DOWNLOAD EXAMIANS APP