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 (iii), (i), (ii) (i), (ii), (iii) (ii), (iii), (i) (i), (iii), (ii) (iii), (i), (ii) (i), (ii), (iii) (ii), (iii), (i) (i), (iii), (ii) ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal line is the line joining the principal point and Nadir Perspective centre Isocenter None of these Nadir Perspective centre Isocenter None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying In an internal focussing type of telescope, the lens provided is concave plano-convex convex plano-concave concave plano-convex convex plano-concave ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a circumpolar star is maximum when it is At lower culmination At east elongation At west elongation At upper culmination At lower culmination At east elongation At west elongation At upper culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying In the cross-section method of indirect contouring, the spacing of cross-sections depends uponi) contour intervalii) scale of planiii) characteristics of groundThe correct answer is (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (i) (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 3 m 4 m 1 m 2 m 3 m 4 m 1 m 2 m ANSWER DOWNLOAD EXAMIANS APP