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A solid with its axis inclined to both principal planes requires

  • A.one stage of drawing
  • B.no intermediate stage at all
  • C.three stages of drawing
  • D.two stages of drawing

Answer: C

Correct answer: three stages of drawing

With the axis inclined to both planes the drawing proceeds in three stages: first the simple position with the axis vertical, then a tilt giving the required inclination to the first plane, then a turn giving the inclination to the second. Each stage is projected from the one before, which is what keeps the true shapes correct.

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