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 Legendre's method Gauss' Mid Latitude formula Least square method D'Alembert's method Legendre's method Gauss' Mid Latitude formula Least square method D'Alembert's method ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of contouring is most suitable for a hilly terrain? Direct method Cross-sections method Tachometric method Square method Direct method Cross-sections method Tachometric method Square method ANSWER DOWNLOAD EXAMIANS APP
Surveying For a line AB the forebearing of AB and back bearing of AB differ by 180° the forebearing of AB and back bearing of BA differ by 180° none is correct both (A) and (B) are 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° none is correct both (A) and (B) are correct ANSWER DOWNLOAD EXAMIANS APP
Surveying The want of correspondence in stereo-photographs Is not affected by the change of flying height between photographs Is minimum when θ is 3° Is a good property Is a function of tilt Is not affected by the change of flying height between photographs Is minimum when θ is 3° Is a good property Is a function of tilt ANSWER DOWNLOAD EXAMIANS APP
Surveying If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement i = v. t. (f/H) i = v. t. H/f i = t. H/v. f i = v. f/t. H i = v. t. (f/H) i = v. t. H/f i = t. H/v. f i = v. f/t. H ANSWER DOWNLOAD EXAMIANS APP
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 (ii), (iii), (i) (i), (ii), (iii) (i), (iii), (ii) (iii), (i), (ii) (ii), (iii), (i) (i), (ii), (iii) (i), (iii), (ii) (iii), (i), (ii) ANSWER DOWNLOAD EXAMIANS APP