Surveying Local attraction in compass surveying may exist due to incorrect levelling of the magnetic needle loss of magnetism of the needle friction of the needle at the pivot presence of magnetic substances near the instrument incorrect levelling of the magnetic needle loss of magnetism of the needle friction of the needle at the pivot presence of magnetic substances near the instrument ANSWER DOWNLOAD EXAMIANS APP
Surveying If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement i = v. t. (f/H) i = v. f/t. H i = t. H/v. f i = v. t. H/f i = v. t. (f/H) i = v. f/t. H i = t. H/v. f i = v. t. H/f ANSWER DOWNLOAD EXAMIANS APP
Surveying The two point problem and three point problem are methods of resection and orientation orientation traversing resection resection and orientation orientation traversing resection ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method provides a check on the reduction of intermediate point levels is not suitable for levelling with tilting levels is less accurate than height of instrument method quicker and less tedious for large number of intermediate sights provides a check on the reduction of intermediate point levels is not suitable for levelling with tilting levels is less accurate than height of instrument method quicker and less tedious for large number of intermediate sights 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 4° 2° 1° 3° 4° 2° 1° 3° ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following angles can be set out with the help of French cross staff? any angle 90° only either 45° or 90° 45° only any angle 90° only either 45° or 90° 45° only ANSWER DOWNLOAD EXAMIANS APP