Surveying Which of the following errors cannot be eliminated by taking both face observations ? index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to non-parallelism of the axis of telescope level and line of collimation None of these error due to horizontal axis not being perpendicular to the vertical axis index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to non-parallelism of the axis of telescope level and line of collimation None of these error due to horizontal axis not being perpendicular to the vertical axis ANSWER DOWNLOAD EXAMIANS APP
Surveying In a truly vertical photograph, Plumb point coincides the principal point All listed here Iso-centre coincides the plumb point Principal point coincides the isocenter Plumb point coincides the principal point All listed here Iso-centre coincides the plumb point Principal point coincides the isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying The cross hairs in the surveying telescope are placed much closer to the eye-piece than to the objective lens anywhere between eye-piece and objective lens much closer to the objective lens than to the eye piece midway between eye piece and objec-tive lens much closer to the eye-piece than to the objective lens anywhere between eye-piece and objective lens much closer to the objective lens than to the eye piece midway between eye piece and objec-tive lens ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for parallax, is + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is f/H H/f H. f H + f f/H H/f H. f H + f ANSWER DOWNLOAD EXAMIANS APP
Surveying Triangulation surveys are carried out for locating Control points for photogrammetric surveys Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. Control points for surveys of large areas All of these Control points for photogrammetric surveys Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. Control points for surveys of large areas All of these ANSWER DOWNLOAD EXAMIANS APP
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