Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ 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 (H - h)/f f/(H - h) f/H f/(H + h) (H - h)/f f/(H - h) f/H f/(H + h) ANSWER DOWNLOAD EXAMIANS APP
Surveying Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as Swing Tip None of these Tilt Swing Tip None of these Tilt ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Southward Westward Eastward Northward Southward Westward Eastward Northward ANSWER DOWNLOAD EXAMIANS APP
Surveying The suitable contour interval for a map with scale 1 : 10000 is 2 m 5 m 20 m 10 m 2 m 5 m 20 m 10 m ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to eccentricity of verniers error due to line of collimation not being perpendicular to horizontal axis error due to imperfect graduations error due to imperfect adjustment of plate levels error due to eccentricity of verniers error due to line of collimation not being perpendicular to horizontal axis error due to imperfect graduations error due to imperfect adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
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