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Neelam Mittal • 4.57K Points
Extraordinary

Q. According to Lehman's rule of plane tabling ?

  • (A) when looking in the direction of the reference points, the point sought is on the same side of each of the three rays
  • (B) the distance to the point sought from each of the three rays is proportional to the distance of the three known points from the instrument station
  • (C) when the instrument station is outside the great circle, the point sought is always on the same side of the ray drawn to the most distant point as the intersection of the other two rays
  • (D) all of the above
  • Correct Answer - Option(D)
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  • Filed under category Surveying
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