Surveying If α is the observed altitude, the refraction correction in seconds, is 58 sin α 58 cos α 58" cot α 58" tan α 58 sin α 58 cos α 58" cot α 58" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is All listed here Negative for points below datum Positive for points above datum Zero for points vertically below the air station All listed here Negative for points below datum Positive for points above datum Zero for points vertically below the air station ANSWER DOWNLOAD EXAMIANS APP
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 index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to horizontal axis not being perpendicular to the vertical axis None of these error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to horizontal axis not being perpendicular to the vertical axis None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 10° 30° 40° 20° 10° 30° 40° 20° 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 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 tan z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The coverage is least if photography is High oblique Vertical Low oblique None of these High oblique Vertical Low oblique None of these ANSWER DOWNLOAD EXAMIANS APP
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