Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is f/H H. f H/f H + f f/H H. f H/f H + f ANSWER DOWNLOAD EXAMIANS APP
Surveying If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to 2° 4° 1° 3° 2° 4° 1° 3° ANSWER DOWNLOAD EXAMIANS APP
Surveying The suitable contour interval for a map with scale 1 : 10000 is 5 m 20 m 10 m 2 m 5 m 20 m 10 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be less than true R.L. more than true R.L. true R.L. None of these less than true R.L. more than true R.L. true R.L. None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate on its outer spindle with a relative motion between the vernier and graduated scale of lower plate on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate on its outer spindle with a relative motion between the vernier and graduated scale of lower plate on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate ANSWER DOWNLOAD EXAMIANS APP
Surveying The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than 0.001 second 0.0001 second None of these 0.01 second 0.001 second 0.0001 second None of these 0.01 second ANSWER DOWNLOAD EXAMIANS APP
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