Surveying Which of the following is not used in measuring perpendicular offsets ? steel tape optical square cross staff line ranger steel tape optical square cross staff line ranger 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 None of these 0.0001 second 0.001 second 0.01 second None of these 0.0001 second 0.001 second 0.01 second ANSWER DOWNLOAD EXAMIANS APP
Surveying Right ascension of a heavenly body is its equatorial angular distance measured Westward from the first point of Aeries Eastward from the first point of Aeries Westward from the first point of Libra Eastward from the first point of Libra Westward from the first point of Aeries Eastward from the first point of Aeries Westward from the first point of Libra Eastward from the first point of Libra ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h (tan α - tan β)/S h tan β/S h (tan α + tan β)/S h tan α/S h (tan α - tan β)/S h tan β/S h (tan α + tan β)/S h tan α/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The method of surveying by triangulation was first introduced by the Dutchman Snell in 1630 1615 1650 1600 1630 1615 1650 1600 ANSWER DOWNLOAD EXAMIANS APP