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 Polaris is usually observed for the determination of the latitude when it is Either at culmination or at elongation Neither at culmination nor at elongation At elongation At culmination Either at culmination or at elongation Neither at culmination nor at elongation At elongation At culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying Rotation of the camera at exposure about its vertical axis, is known as Swing Tilt None of these Tip Swing Tilt None of these Tip ANSWER DOWNLOAD EXAMIANS APP
Surveying From the principal point the horizon point lies on the principal line at a distance of f tan θ f cos θ f cot θ f sin θ f tan θ f cos θ f cot θ f sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors cannot be eliminated by taking both face observations ? 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 None of these 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 index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these error due to non-parallelism of the axis of telescope level and line of collimation ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Isocentric distance Focal length Principal distance Principal line Isocentric distance Focal length Principal distance Principal line ANSWER DOWNLOAD EXAMIANS APP