Civil Engineering :: Surveying
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Tilt of the staff in stadia tacheometry increases the intercept if it is
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The conventional sign shown in below figure represents a
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To orient a plane table at a point with two inaccessible points, the method generally adopted, is
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The combined effect of curvature and refraction over a distance L kilometres is
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The method generally preferred to for contouring an undulating area, is
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If the declination of the needle is 10° W
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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
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For taking offsets with an optical square on the right hand side of the chain line, it is held
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If the whole circle bearing of a line is 270°, its reduced bearing is
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