Surveying If α is the observed altitude, the refraction correction in seconds, is 58 cos α 58" tan α 58" cot α 58 sin α 58 cos α 58" tan α 58" cot α 58 sin α ANSWER DOWNLOAD EXAMIANS APP
Surveying The meridian of a place is An arc of the great circle which passes through the place and is perpendicular to the equator A semi-circle which passes through the place and is terminated at the poles A great circle passing through the place and the poles A great circle whose plane is perpendicular to the axis of rotation and it also passes through the place An arc of the great circle which passes through the place and is perpendicular to the equator A semi-circle which passes through the place and is terminated at the poles A great circle passing through the place and the poles A great circle whose plane is perpendicular to the axis of rotation and it also passes through the place ANSWER DOWNLOAD EXAMIANS APP
Surveying The parallax of a point on the photograph is due to All listed here Ground elevation Flying height Length of air base All listed here Ground elevation Flying height Length of air base 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 0.01 second None of these 0.001 second 0.0001 second 0.01 second None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Limiting gradient for locating the base line on evenly-sloping ground, is 1 in 8 1 in 12 1 in 6 1 in 10 1 in 8 1 in 12 1 in 6 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is quicker and less tedious for large number of intermediate sights None of these less accurate than rise and fall method more accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these less accurate than rise and fall method more accurate than rise and fall method ANSWER DOWNLOAD EXAMIANS APP