Surveying A ’level line’ is a horizontal line line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth horizontal line line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth ANSWER DOWNLOAD EXAMIANS APP
Surveying For a line AB the forebearing of AB and back bearing of BA differ by 180° both (A) and (B) are correct none is correct the forebearing of AB and back bearing of AB differ by 180° the forebearing of AB and back bearing of BA differ by 180° both (A) and (B) are correct none is correct the forebearing of AB and back bearing of AB differ by 180° ANSWER DOWNLOAD EXAMIANS APP
Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 4 m 3 m 1 m 2 m 4 m 3 m 1 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Surveying Benchmark is established by hypsometry spirit levelling barometric levelling trigonometrical levelling hypsometry spirit levelling barometric levelling trigonometrical levelling ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to curvature only None of these error due to both curvature and re-fraction error due to refraction only error due to curvature only None of these error due to both curvature and re-fraction error due to refraction only ANSWER DOWNLOAD EXAMIANS APP
Surveying The height displacement on a vertical photograph Decreases as the flying height increases All listed here Increases as the ground elevation increases Increases as the horizontal distance increases from the principal point Decreases as the flying height increases All listed here Increases as the ground elevation increases Increases as the horizontal distance increases from the principal point ANSWER DOWNLOAD EXAMIANS APP
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