Surveying Which of the following angles can be set out with the help of French cross staff? 45° only 90° only either 45° or 90° any angle 45° only 90° only either 45° or 90° any angle ANSWER DOWNLOAD EXAMIANS APP
Surveying Cross staff is an instrument used for measuring approximate horizontal angles measuring bearings of the lines None of these setting out right angles measuring approximate horizontal angles measuring bearings of the lines None of these setting out right angles 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 = H/bf B =f/bH B = bH/f B = b/fH B = H/bf B =f/bH B = bH/f B = b/fH ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? 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 error due to both curvature and re-fraction ANSWER DOWNLOAD EXAMIANS APP
Surveying The station pointer is generally used in Hydrographical surveying Astronomical surveying Triangulation surveying Photogrammetric surveying Hydrographical surveying Astronomical surveying Triangulation surveying Photogrammetric surveying ANSWER DOWNLOAD EXAMIANS APP
Surveying A telescope is said to be inverted if its vertical circle is to its left and the bubble of the telescope is down vertical circle is to its right and the bubble of the telescope is down vertical circle is to its right and the bubble of the telescope is up vertical circle is to its left and the bubble of the telescope is up vertical circle is to its left and the bubble of the telescope is down vertical circle is to its right and the bubble of the telescope is down vertical circle is to its right and the bubble of the telescope is up vertical circle is to its left and the bubble of the telescope is up ANSWER DOWNLOAD EXAMIANS APP
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