Technical Drawing - Exam Papers - Ordinary - 1993 - Building

Question 2

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Fig. 2 shows the outline plan of a roof.
Surfaces A and D have a pitch of 60°, surfaces B and E have a pitch of 50°, and surface C has a pitch of 35°.

  1. Draw the plan and project the elevation of the roof.
  2. Develop the surface D.
  3. Find the dihedral angle between the surfaces A and B.
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