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 = v. f/t. H i = v. t. (f/H) i = t. H/v. f i = v. t. H/f i = v. f/t. H i = v. t. (f/H) i = t. H/v. f i = v. t. H/f ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to both curvature and re-fraction None of these error due to refraction only error due to curvature only error due to both curvature and re-fraction None of these error due to refraction only error due to curvature only ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on September 21 December 22 March 21 June 21 September 21 December 22 March 21 June 21 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
Surveying A ’level line’ is a line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece horizontal line line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece horizontal line ANSWER DOWNLOAD EXAMIANS APP
Surveying Size of a theodolite is specified by the diameter of upper plate the diameter of vertical circle the diameter of lower plate the length of telescope the diameter of upper plate the diameter of vertical circle the diameter of lower plate the length of telescope ANSWER DOWNLOAD EXAMIANS APP
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