Surveying A star is said to elongate When the star momentarily moves vertically When the angle at the star of the spherical triangle is 90° All of these When the star When the star momentarily moves vertically When the angle at the star of the spherical triangle is 90° All of these When the star ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ? error due to eccentricity of verniers error due to wrong adjustment of line of collimation and trunnion axis error due to displacement of station signals error due to inaccurate graduation error due to eccentricity of verniers error due to wrong adjustment of line of collimation and trunnion axis error due to displacement of station signals error due to inaccurate graduation ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as Perspective centre Principal point Plumb point Isocenter Perspective centre Principal point Plumb point Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying A series of closely spaced contour lines represents a steep slope gentle slope plane surface uniform slope steep slope gentle slope plane surface uniform slope 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 displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is 4.4 mm 6.5 mm 7.5 mm 5.5 mm 4.4 mm 6.5 mm 7.5 mm 5.5 mm ANSWER DOWNLOAD EXAMIANS APP
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