Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are(i) Levelling(ii) Orientation(iii) CenteringThe correct sequence of these operations is (i), (ii), (iii) (ii), (iii), (i) (i), (iii), (ii) (iii), (i), (ii) (i), (ii), (iii) (ii), (iii), (i) (i), (iii), (ii) (iii), (i), (ii) ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 20° 30° 40° 10° 20° 30° 40° 10° ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f/H cos ½θ f/H sec θ f/H f sec θ/H f/H cos ½θ f/H sec θ f/H f sec θ/H ANSWER DOWNLOAD EXAMIANS APP
Surveying The adjustment of horizontal cross hair is required particularly when the instrument is used for measurement of horizontal angles prolonging a straight line All of these leveling measurement of horizontal angles prolonging a straight line All of these leveling ANSWER DOWNLOAD EXAMIANS APP
Surveying Accidental errors Cannot be removed by applying corrections to the observed values Do not follow any definite mathematical law All of these Are generally small Cannot be removed by applying corrections to the observed values Do not follow any definite mathematical law All of these Are generally small ANSWER DOWNLOAD EXAMIANS APP
Surveying The necessary geometrical condition for triangulation adjustment is: The sum of the eight angles of a braced quadrilateral should be 360° The sum of the three angles of a plane triangle should be 180° All listed here The sum of the angles around a station should be 360° The sum of the eight angles of a braced quadrilateral should be 360° The sum of the three angles of a plane triangle should be 180° All listed here The sum of the angles around a station should be 360° ANSWER DOWNLOAD EXAMIANS APP
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