Surveying The sidereal day is the time interval between two successive upper transits of The polar star Mean sun First point of Libra First point of Aries The polar star Mean sun First point of Libra First point of Aries ANSWER DOWNLOAD EXAMIANS APP
Surveying If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be 500 km 800 km 1000 km 600 km 500 km 800 km 1000 km 600 km ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the axis of earth and the vertical at the station of observation is called Astronomical co-latitude Astronomical latitude Declination of star Co-declination of star Astronomical co-latitude Astronomical latitude Declination of star Co-declination of star ANSWER DOWNLOAD EXAMIANS APP
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 β/S 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 ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is f sec θ/H f/H f/H cos ½θ f/H sec θ f sec θ/H f/H f/H cos ½θ f/H sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is ½ (θ - δ) θ + δ δ - θ θ - δ ½ (θ - δ) θ + δ δ - θ θ - δ ANSWER DOWNLOAD EXAMIANS APP
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