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A shaft 600 mm long drawn at 1:5 with a conventional break occupies, on the sheet, a length that is

  • A.less than 120 mm
  • B.exactly 120 mm
  • C.exactly 600 mm
  • D.more than 120 mm

Answer: A

At 1:5 the full length would be 120 millimetres, and the break removes part of the middle so the drawn figure is shorter. The dimension written on it remains 600 millimetres, since the break is a drawing convention only.

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