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 curvature only error due to refraction only None of these error due to both curvature and re-fraction error due to curvature only error due to refraction only None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = bH/f B = b/fH B = H/bf B =f/bH B = bH/f B = b/fH B = H/bf B =f/bH ANSWER DOWNLOAD EXAMIANS APP
Surveying Cross staff is an instrument used for 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 setting out right angles ANSWER DOWNLOAD EXAMIANS APP
Surveying For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through Principal point None of these Isocenter Plumb point Principal point None of these Isocenter Plumb point ANSWER DOWNLOAD EXAMIANS APP
Surveying If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will not change decrease either ‘A’ or ‘B’ increase not change decrease either ‘A’ or ‘B’ increase ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following angles can be set out with the help of French cross staff? either 45° or 90° 90° only 45° only any angle either 45° or 90° 90° only 45° only any angle ANSWER DOWNLOAD EXAMIANS APP
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