Surveying Benchmark is established by trigonometrical levelling hypsometry barometric levelling spirit levelling trigonometrical levelling hypsometry barometric levelling spirit levelling 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 sin z = sec φ . cos δ cos z = sec φ . cos δ None of these tan z = sec φ . cos δ sin z = sec φ . cos δ cos z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The horizontal angle between the true meridian and magnetic meridian at a place is called local attraction magnetic bearing azimuth declination local attraction magnetic bearing azimuth declination ANSWER DOWNLOAD EXAMIANS APP
Surveying In a truly vertical photograph, All listed here Plumb point coincides the principal point Principal point coincides the isocenter Iso-centre coincides the plumb point All listed here Plumb point coincides the principal point Principal point coincides the isocenter Iso-centre coincides the plumb point ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris describes a small circle round the pole whose radius is approximately 2° 3° 4° 1° 2° 3° 4° 1° 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 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