Correction per chain length of 100 links along a slope of α° is

More Questions from Surveying

• Location of contour gradient for a high way is best set out from
• Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is
• Stadia techeometry was discovered by James Watt in the year.
• The correction to be applied to each 30 metre chain length along θ° slope, is
• The constant vertical distance between two adjacent contours, is called
• The combined effect of curvature and refraction over a distance L kilometres is
• A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is
• The theodolites used for making tacheometric observations by optical wedge system, are
• The surface of zero elevation around the earth, which is slightly irregular and curved, is known as
• During levelling if back sight is more than foresight

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