Surveying Benchmark is established by trigonometrical levelling barometric levelling hypsometry spirit levelling trigonometrical levelling barometric levelling hypsometry spirit levelling ANSWER DOWNLOAD EXAMIANS APP
Surveying The following sights are taken on a “turning point” foresight and backsight foresight only foresight only foresight and intermediate sight foresight and backsight foresight only foresight only foresight and intermediate sight 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 β/S h (tan α + tan β)/S h tan α/S h (tan α - tan β)/S h tan β/S h (tan α + tan β)/S h tan α/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on intermediate sight foresight backsight All of these intermediate sight foresight backsight All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Contour interval is Larger for accurate works Larger if the time available is more Inversely proportional to the scale of the map Directly proportional to the flatness of ground Larger for accurate works Larger if the time available is more Inversely proportional to the scale of the map Directly proportional to the flatness of ground ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the minor control point and the principal point should be equal to Base line of the right photograph of stereo pair Mean of the base lines of the stereo pair Sum of the base lines of stereo pair Base line of the left photograph of stereo pair Base line of the right photograph of stereo pair Mean of the base lines of the stereo pair Sum of the base lines of stereo pair Base line of the left photograph of stereo pair ANSWER DOWNLOAD EXAMIANS APP
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