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 error due to refraction only error due to curvature only None of these error due to both curvature and re-fraction error due to refraction only error due to curvature only None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The station pointer is generally used in Astronomical surveying Hydrographical surveying Photogrammetric surveying Triangulation surveying Astronomical surveying Hydrographical surveying Photogrammetric surveying Triangulation surveying ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f sec θ f sin θ f tan θ f cos θ f sec θ f sin θ f tan θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The great circle which passes through the zenith, nadir and the poles, is known as Vertical circle Meridian None of these Prime vertical Vertical circle Meridian None of these Prime vertical ANSWER DOWNLOAD EXAMIANS APP
Surveying Cross staff is an instrument used for setting out right angles measuring bearings of the lines None of these measuring approximate horizontal angles setting out right angles measuring bearings of the lines None of these measuring approximate horizontal angles ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a horizontal line line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level ANSWER DOWNLOAD EXAMIANS APP
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