Civil Engineering :: Surveying
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If L is the specified length of a tape, L1 its actual length and S the measured distance, then, the true distance is given by the formula,
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The method of reversal
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You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of
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If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for
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The chord of a curve less than peg interval, is known as
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Mistakes which may produce a very serious effect upon the final results arise due to
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Contour lines of different elevations can unite to form one line, only in the case of
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The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to