Surveying For any star to be a circumpolar star, its Hour angle must be 180° Declination must be 0° Declination must be 90° Distance from the pole must be less than the latitude of the observer Hour angle must be 180° Declination must be 0° Declination must be 90° Distance from the pole must be less than the latitude of the observer ANSWER DOWNLOAD EXAMIANS APP
Surveying The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is 6.5 mm 4.4 mm 7.5 mm 5.5 mm 6.5 mm 4.4 mm 7.5 mm 5.5 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58" tan α 58 cos α 58" cot α 58 sin α 58" tan α 58 cos α 58" cot α 58 sin α ANSWER DOWNLOAD EXAMIANS APP
Surveying Refraction correction completely eliminates curvature correction has no effect on curvature correction adds to the curvature correction partially eliminates curvature correction completely eliminates curvature correction has no effect on curvature correction adds to the curvature correction partially eliminates curvature correction ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is 14,000 m 10,000 m 12,000 m 8,000 m 14,000 m 10,000 m 12,000 m 8,000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as Principal point Plumb point Perspective centre Isocenter Principal point Plumb point Perspective centre Isocenter ANSWER DOWNLOAD EXAMIANS APP
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