Surveying Local attraction in compass surveying may exist due to loss of magnetism of the needle presence of magnetic substances near the instrument incorrect levelling of the magnetic needle friction of the needle at the pivot loss of magnetism of the needle presence of magnetic substances near the instrument incorrect levelling of the magnetic needle friction of the needle at the pivot ANSWER DOWNLOAD EXAMIANS APP
Surveying The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called intersection radiation resection traversing intersection radiation resection traversing ANSWER DOWNLOAD EXAMIANS APP
Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is H. f H + f H/f f/H H. f H + f H/f f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of D'Alembert's method Least square method Gauss' Mid Latitude formula Legendre's method D'Alembert's method Least square method Gauss' Mid Latitude formula Legendre's method 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/S h (tan α + tan β)/S h (tan α - tan β)/S h tan β/S h tan α/S h (tan α + tan β)/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude: All listed here Vernal equinox True sun Mean sun All listed here Vernal equinox True sun Mean sun ANSWER DOWNLOAD EXAMIANS APP
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