Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 4 cm 1 cm 2 cm 3 cm 4 cm 1 cm 2 cm 3 cm 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 only (i) (i) and (ii) (ii) and (iii) (i), (ii) and (iii) only (i) (i) and (ii) (ii) and (iii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Surveying Closed contours, with higher value inwards, represent a depression hillock plain surface None of these depression hillock plain surface None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good sin α = sin λ/sin δ cos H = tan λ/tan δ sin A = cos δ/cos λ All listed here sin α = sin λ/sin δ cos H = tan λ/tan δ sin A = cos δ/cos λ All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Refraction correction completely eliminates curvature correction adds to the curvature correction has no effect on curvature correction partially eliminates curvature correction completely eliminates curvature correction adds to the curvature correction has no effect on curvature correction partially eliminates curvature correction ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 4000 m 6000 m 5000 m 7000 m 4000 m 6000 m 5000 m 7000 m ANSWER DOWNLOAD EXAMIANS APP