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 error due to horizontal axis not being perpendicular to the vertical axis None of these 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 error due to horizontal axis not being perpendicular to the vertical axis None of these index error i.e. error due to imperfect adjustment of the vertical circle vernier ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to eccentricity of verniers error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to eccentricity of verniers error due to imperfect graduations ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/(H + h) f/(H - h) f/H (H - h)/f f/(H + h) f/(H - h) f/H (H - h)/f ANSWER DOWNLOAD EXAMIANS APP
Surveying Perspective centre relates to Orthogonal projection None of these Central projection Parallel projection Orthogonal projection None of these Central projection Parallel projection ANSWER DOWNLOAD EXAMIANS APP
Surveying Circumpolar stars Are seldom seen near the pole star Rotate round the celestial pole Rotate round the North Pole Remain always above the horizon Are seldom seen near the pole star Rotate round the celestial pole Rotate round the North Pole Remain always above the horizon ANSWER DOWNLOAD EXAMIANS APP
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