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
Surveying The principal line is the line joining the principal point and Isocenter None of these Nadir Perspective centre Isocenter None of these Nadir Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying For which of the following permanent adjustments of theodolite, the spire test is used ? adjustment of horizontal axis adjustment of altitude bubble and vertical index frame adjustment of line of sight adjustment of plate levels adjustment of horizontal axis adjustment of altitude bubble and vertical index frame adjustment of line of sight adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
Surveying The parallax equation Δp = BmΔh/H - h is applicable to entire overlap of the photographs only if parallax is measured Parallel to base line Both (A) and (B) Neither (A) nor (B) Normal to base line Parallel to base line Both (A) and (B) Neither (A) nor (B) Normal to base line 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 α - tan β)/S h tan α/S h tan β/S h (tan α + tan β)/S h (tan α - tan β)/S h tan α/S h tan β/S h (tan α + tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying A Nautical mile is 1855.109 m One minute arc of the great circle passing through two points All of these One minute arc of the longitude 1855.109 m One minute arc of the great circle passing through two points All of these One minute arc of the longitude ANSWER DOWNLOAD EXAMIANS APP