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 All listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Surveying Accidental errors Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values All of these Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the minor control point and the principal point should be equal to Mean of the base lines of the stereo pair Base line of the right photograph of stereo pair Sum of the base lines of stereo pair Base line of the left photograph of stereo pair Mean of the base lines of the stereo pair Base line of the right photograph of stereo pair Sum of the base lines of stereo pair Base line of the left photograph of stereo pair ANSWER DOWNLOAD EXAMIANS APP
Surveying The relief displacement of a building 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is 1000 m 1500 m 2000 m 500 m 1000 m 1500 m 2000 m 500 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The time interval between successive transits of the moon, is 23 hours 50 minutes 20 hours 25 minutes 24 hours 50 minutes 24 hours 10 minutes 23 hours 50 minutes 20 hours 25 minutes 24 hours 50 minutes 24 hours 10 minutes 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) (ii) and (iii) (i), (ii) and (iii) (i) and (ii) only (i) (ii) and (iii) (i), (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP