Surveying The elevation of the star at elongation is obtained by sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called Celestial horizon True horizon All of these Rational horizon Celestial horizon True horizon All of these Rational horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is Tension = (P - Ps)L/AE Sag = L³w²/24P² where w is the weight of tape/m All of these Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE Sag = L³w²/24P² where w is the weight of tape/m All of these Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports ANSWER DOWNLOAD EXAMIANS APP
Surveying Latitude of the observer's position is equal to altitude of Celestial pole North pole All of these Pole star Celestial pole North pole All of these Pole star 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. t. (f/H) i = v. f/t. H i = v. t. H/f i = t. H/v. f i = v. t. (f/H) i = v. f/t. H i = v. t. H/f ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Northward Westward Eastward Southward Northward Westward Eastward Southward ANSWER DOWNLOAD EXAMIANS APP