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
Surveying The point on the celestial sphere vertically below the observer's position, is called Celestial point Zenith Pole Nadir Celestial point Zenith Pole Nadir ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on March 21 June 21 December 22 September 21 March 21 June 21 December 22 September 21 ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above Horizon None of these Pole Equator Horizon None of these Pole Equator ANSWER DOWNLOAD EXAMIANS APP
Surveying If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement i = t. H/v. f i = v. f/t. H i = v. t. H/f i = v. t. (f/H) i = t. H/v. f i = v. f/t. H i = v. t. H/f i = v. t. (f/H) 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/180° πR²E/270° πR²E/90° πR²E/360° πR²E/180° πR²E/270° πR²E/90° πR²E/360° ANSWER DOWNLOAD EXAMIANS APP