Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Perspective centre Principal point Isocenter Plumb line Perspective centre Principal point Isocenter Plumb line ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors cannot be eliminated by taking both face observations ? error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to horizontal axis not being perpendicular to the vertical axis None of these error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to horizontal axis not being perpendicular to the vertical axis None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be +50 m, -86.6 m +50 m, +86.6 m +70.7 m, -50 m +86.6 m, -50 m +50 m, -86.6 m +50 m, +86.6 m +70.7 m, -50 m +86.6 m, -50 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is 30° 35° 45° 60° 30° 35° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Surveying If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be 500 km 1000 km 600 km 800 km 500 km 1000 km 600 km 800 km ANSWER DOWNLOAD EXAMIANS APP
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