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A first angle drawing is misread as third angle. The consequence for the side views is that they are

  • A.drawn at half the correct scale
  • B.rotated through ninety degrees
  • C.shown with hidden lines omitted
  • D.transposed left for right

Answer: D

Correct answer: transposed left for right

The two systems place the side views on opposite sides of the front view. Read a first angle drawing as third angle and the view drawn on the right, which was taken from the left, will be taken as the view from the right - so the part is made as a mirror image. The dimensions are all correct, which is what makes the error so easy to miss.

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