EXAMIANS
In a spherical triangle ABC right angled at C, sin b equals to
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The correction for parallax, is
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Latitude of the observer's position is equal to altitude of
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The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is
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In triangulation surveys
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The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as
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At the first point of Aeries, the sun moves
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The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as
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Which of the following errors can be neutralised by setting the level midway between the two stations ?
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Triangulation surveys are carried out for locating
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