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° 3° 1° 4° 2° 3° 1° ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is f sec θ/H f/H sec θ f/H cos ½θ f/H f sec θ/H f/H sec θ f/H cos ½θ f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is πR²E/270° πR²E/360° πR²E/180° πR²E/90° πR²E/270° πR²E/360° πR²E/180° πR²E/90° ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 5000 m 6000 m 4000 m 7000 m 5000 m 6000 m 4000 m 7000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The sidereal day is the time interval between two successive upper transits of First point of Aries First point of Libra Mean sun The polar star First point of Aries First point of Libra Mean sun The polar star ANSWER DOWNLOAD EXAMIANS APP
Surveying Longitudes are measured from 0° to 180° east or westward 180° westward 180° eastward 360° eastward 180° east or westward 180° westward 180° eastward 360° eastward ANSWER DOWNLOAD EXAMIANS APP