Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Principal point Isocenter Perspective centre Plumb line Principal point Isocenter Perspective centre Plumb line ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 45° 90° 60° 30° 45° 90° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for parallax, is + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.50 sq km 0.56 sq km 0.60 sq km 0.64 sq km 0.50 sq km 0.56 sq km 0.60 sq km 0.64 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) CenteringThe correct sequence of these operations is (i), (ii), (iii) (ii), (iii), (i) (iii), (i), (ii) (i), (iii), (ii) (i), (ii), (iii) (ii), (iii), (i) (iii), (i), (ii) (i), (iii), (ii) ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC, right angled at C, sin b equals cot A tan a cos a sin A tan a cot A sin a cos A cot A tan a cos a sin A tan a cot A sin a cos A ANSWER DOWNLOAD EXAMIANS APP
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