Surveying The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is Declination and right ascension system Declination and hour angle system Altitude and azimuth system Declination and altitude system Declination and right ascension system Declination and hour angle system Altitude and azimuth system Declination and altitude system ANSWER DOWNLOAD EXAMIANS APP
Surveying With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be 7 h 30 m 7 h 00 m 9 h 00 m 8 h 00 m 7 h 30 m 7 h 00 m 9 h 00 m 8 h 00 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The station pointer is generally used in Triangulation surveying Photogrammetric surveying Astronomical surveying Hydrographical surveying Triangulation surveying Photogrammetric surveying Astronomical surveying Hydrographical surveying ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58 sin α 58 cos α 58" cot α 58" tan α 58 sin α 58 cos α 58" cot α 58" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by tan H = tan φ . cot δ None of these sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ None of these sin H = tan φ . cot δ cos H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS