Civil Engineering :: Surveying
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The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is
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If i is the stadia distance, f is the focal length and d is the distance between the objective and vertical axis of the techeometer, the multiplying constant, is
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The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is
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It is more difficult to obtain good results while measuringhorizontal distance by stepping
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The additional lines which are measured to show the correctness of the chain surveying are called:
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If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to
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Locating the position of a plane table station with reference to three known points, is known as
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If D is the degree of the curve of radius R, the exact length of its specified chord, is
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Correction per chain length of 100 links along a slope of 뱡 is
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If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping
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