Surveying Height of instrument method of levelling is more accurate than rise and fall method less accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these more accurate than rise and fall method less accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the observer's meridian and declination circle of a heavenly body, is known as Hour angle Azimuth Declination Right ascension Hour angle Azimuth Declination Right ascension ANSWER DOWNLOAD EXAMIANS APP
Surveying The moon rotates round the earth once in every 30 days 29 days 29.53 days 29.35 days 30 days 29 days 29.53 days 29.35 days ANSWER DOWNLOAD EXAMIANS APP
Surveying If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be 4 mm 2 mm 6 mm 10 mm 4 mm 2 mm 6 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for parallax, is - 8".8 cos α + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α - 8".8 cos α 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/H f/H sec θ f/H cos ½θ f sec θ/H f/H f/H sec θ f/H cos ½θ f sec θ/H ANSWER DOWNLOAD EXAMIANS APP