EXAMIANS
The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above
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The instrument used for accurate centering in plane table survey is
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The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is
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In a truly vertical photograph,
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The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as
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The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as
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Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?
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To avoid large centering error with very short legs, observations are generally made
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The sidereal day is the time interval between two successive upper transits of
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For a well-conditioned triangle, no angle should be less than
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