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Where a visible outline and a hidden edge coincide on a view, the line drawn is

  • A.the visible outline
  • B.the hidden edge
  • C.a centre line through both
  • D.a thin continuous line of intermediate weight

Answer: A

Correct answer: the visible outline

Where two line types coincide there is an order of precedence, and the visible outline takes the highest place, followed by the hidden edge and then the centre line. The logic is that the most definite information should be shown: the reader can infer that a hidden edge lies behind a visible one, but not the reverse.

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