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 α/S 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 ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on June 21 September 21 March 21 December 22 June 21 September 21 March 21 December 22 ANSWER DOWNLOAD EXAMIANS APP
Surveying The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as False station Eccentric station Satellite station Pivot station False station Eccentric station Satellite station Pivot station ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not the function of levelling head ? to support the main part of the instrument None of these to attach the theodolite to the tripod to provide a means for leveling the theodolite to support the main part of the instrument None of these to attach the theodolite to the tripod to provide a means for leveling the theodolite ANSWER DOWNLOAD EXAMIANS APP
Surveying In a truly vertical photograph, Plumb point coincides the principal point Iso-centre coincides the plumb point Principal point coincides the isocenter All listed here Plumb point coincides the principal point Iso-centre coincides the plumb point Principal point coincides the isocenter All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC right angled at C, sin b equals to cos c cos B sin c cos B sin c sin B tan c tan B cos c cos B sin c cos B sin c sin B tan c tan B ANSWER DOWNLOAD EXAMIANS APP