Surveying While making astronomical observations, the observer is mainly concerned with The direction of the vertical, the axis of rotation of the instrument The direction of the poles of the celestial sphere The direction of the star from the instrument All listed here The direction of the vertical, the axis of rotation of the instrument The direction of the poles of the celestial sphere The direction of the star from the instrument All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f tan θ f cos θ f sec θ f sin θ f tan θ f cos θ f sec θ f sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between Pole and horizon Zenith and pole Equator and zenith Horizon and equator Pole and horizon Zenith and pole Equator and zenith Horizon and equator ANSWER DOWNLOAD EXAMIANS APP
Surveying The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is 52 m 62 m 82 m 72 m 52 m 62 m 82 m 72 m ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is less accurate than rise and fall method more accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these less accurate than rise and fall method more accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to incorrect levelling of the magnetic needle loss of magnetism of the needle presence of magnetic substances near the instrument friction of the needle at the pivot incorrect levelling of the magnetic needle loss of magnetism of the needle presence of magnetic substances near the instrument friction of the needle at the pivot ANSWER DOWNLOAD EXAMIANS APP
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