Surveying A ’level line’ is a line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line passing through the center of cross hairs and the center of eye piece line parallel to the mean spheriodal surface of earth line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line passing through the center of cross hairs and the center of eye piece line parallel to the mean spheriodal surface of earth ANSWER DOWNLOAD EXAMIANS APP
Surveying Parallax bar measures Height Height difference Parallax Parallax difference Height Height difference Parallax Parallax difference ANSWER DOWNLOAD EXAMIANS APP
Surveying The height displacement on a vertical photograph Decreases as the flying height increases Increases as the ground elevation increases Increases as the horizontal distance increases from the principal point All listed here Decreases as the flying height increases Increases as the ground elevation increases Increases as the horizontal distance increases from the principal point All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Circumpolar stars Are seldom seen near the pole star Rotate round the celestial pole Remain always above the horizon Rotate round the North Pole Are seldom seen near the pole star Rotate round the celestial pole Remain always above the horizon Rotate round the North Pole ANSWER DOWNLOAD EXAMIANS APP
Surveying The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is 2f2 ½f f2 3f2 2f2 ½f f2 3f2 ANSWER DOWNLOAD EXAMIANS APP
Surveying If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be 10 mm 6 mm 2 mm 4 mm 10 mm 6 mm 2 mm 4 mm ANSWER DOWNLOAD EXAMIANS APP
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