Technical Drawing - Exam Papers - Ordinary - 2002 - Building

Question 2

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Fig. 2 shows the outline plan and elevation of a roof.

Surface A has a pitch of 40°, surface B has a pitch of 30° and the surfaces C and D have a pitch of 60°.

(a) Draw the given plan and elevation of the roof.

(b) Develop the surface D.

(c) Find the dihedral angle between the surfaces A and B.

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