Civil Engineering :: Surveying
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The smaller horizontal angle between the true meridian and a survey line, is known
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The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as
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For locating a distant object visible from two transit stations, the method usually preferred to, is
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Accidental or compensating errors of length L are proportional to
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Tacheometric formula for horizontal distances using horizontal sights can also suitable be employed for inclined sights through θ by multiplying
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A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is
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Pick up the correct statement from the following :
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Prolongation of chain line across an obstruction in chain surveying, is done by
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Check lines (or proof lines) in Chain Surveying, are essentially required
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A.
the diaphragm is placed between eyepiece and the objective but nearer to the former |
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B.
the diaphragm is placed between the eyepiece and objective but nearer to the later |
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C.
the outer component of the objective is a double-convex lens of crown glass |
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D.
the inner component of the objective is a flint glass, convexo-concave |
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E.
all the above. |