Surveying Polaris is usually observed for the determination of the azimuth when it is At culmination Neither at culmination nor at elongation Either at culmination or at elongation At elongation At culmination Neither at culmination nor at elongation Either at culmination or at elongation At elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is 60° 70° 50° 80° 60° 70° 50° 80° 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 The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on March 21 September 21 June 21 December 22 March 21 September 21 June 21 December 22 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/90° πR²E/360° πR²E/270° πR²E/180° πR²E/90° πR²E/360° πR²E/270° πR²E/180° ANSWER DOWNLOAD EXAMIANS APP
Surveying The line of collimation method of reduction of levels, does not provide a check on Intermediate sights Reduced levels Fore sights Back sights Intermediate sights Reduced levels Fore sights Back sights ANSWER DOWNLOAD EXAMIANS APP