Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Four times Once Thrice Twice Four times Once Thrice Twice ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 6000 m 5000 m 4000 m 7000 m 6000 m 5000 m 4000 m 7000 m 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 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 error due to non-parallelism of the axis of telescope level and line of collimation ANSWER DOWNLOAD EXAMIANS APP
Surveying If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is 60° 45° 35° 30° 60° 45° 35° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying A star in northern sphere is said to transit When its azimuth is 180° When it is in south When its altitude is maximum All listed here When its azimuth is 180° When it is in south When its altitude is maximum All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = b/fH B = H/bf B =f/bH B = bH/f B = b/fH B = H/bf B =f/bH B = bH/f ANSWER DOWNLOAD EXAMIANS APP
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