Surveying Direct method of contouring is most accurate method adopted for large surveys only suitable for hilly terrains a quick method most accurate method adopted for large surveys only suitable for hilly terrains a quick method ANSWER DOWNLOAD EXAMIANS APP
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 tan z = sec φ . cos δ None of these cos z = sec φ . cos δ sin z = sec φ . cos δ tan z = sec φ . cos δ None of these cos z = sec φ . cos δ sin z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be None of these more than true R.L. true R.L. less than true R.L. None of these more than true R.L. true R.L. less than true R.L. ANSWER DOWNLOAD EXAMIANS APP
Surveying The parallax of a point on the photograph is due to Ground elevation Length of air base All listed here Flying height Ground elevation Length of air base All listed here Flying height ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f/H f/H sec θ f/H cos ½θ f sec θ/H f/H f/H sec θ f/H cos ½θ f sec θ/H ANSWER DOWNLOAD EXAMIANS APP
Surveying The necessary geometrical condition for triangulation adjustment is: The sum of the eight angles of a braced quadrilateral should be 360° The sum of the three angles of a plane triangle should be 180° All listed here The sum of the angles around a station should be 360° The sum of the eight angles of a braced quadrilateral should be 360° The sum of the three angles of a plane triangle should be 180° All listed here The sum of the angles around a station should be 360° ANSWER DOWNLOAD EXAMIANS APP
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