Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? 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 error due to eccentricity of verniers error due to imperfect adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a 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 line passing through the objective lens and the eye-piece of a dumpy or tilting level 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 β/S h (tan α + tan β)/S h tan α/S h (tan α - tan β)/S h tan β/S h (tan α + tan β)/S h tan α/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a circumpolar star is maximum when it is At upper culmination At west elongation At east elongation At lower culmination At upper culmination At west elongation At east elongation At lower culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying Detailed plotting is generally done by traversing resection radiation All of these traversing resection radiation All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying G.M.T. corresponding to given mean time, equals None of these L.M.T. - East longitude in time L.M.T. + East longitude in time L.M.T. - West longitude in time None of these L.M.T. - East longitude in time L.M.T. + East longitude in time L.M.T. - West longitude in time ANSWER DOWNLOAD EXAMIANS APP
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