Surveying There are two stations A and B. Which of the following statements is correct? The fore bearing of AB is AB All listed here The fore and back bearings of AB differ by 180° The back bearing of AB is BA The fore bearing of AB is AB All listed here The fore and back bearings of AB differ by 180° The back bearing of AB is BA ANSWER DOWNLOAD EXAMIANS APP
Surveying The great circle whose plane is perpendicular to the axis of rotation of the earth, is called Terrestrial equator Equator 0° latitude All of these Terrestrial equator Equator 0° latitude All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying In the double application of principle of reversion, the apparent error is equal to true error four times the true error two times the true error half the true error equal to true error four times the true error two times the true error half the true error 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 None of these 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 error due to non-parallelism of the axis of telescope level and line of collimation None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan α/S h (tan α - tan β)/S h (tan α + tan β)/S h tan β/S h tan α/S h (tan α - tan β)/S h (tan α + tan β)/S h tan β/S ANSWER DOWNLOAD EXAMIANS APP
Surveying For any star to be a circumpolar star, its Hour angle must be 180° Declination must be 0° Declination must be 90° Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° Declination must be 90° Distance from the pole must be less than the latitude of the observer ANSWER DOWNLOAD EXAMIANS APP
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