Technical Drawing - Exam Papers - Ordinary - 1994 - Building

Question 2

Fig. 2 shows the outline plan and elevation of a building.
The root surfaces C and D have a pitch of 50°, surfaces B and E have a pitch of 35°, A has a pitch of 55°.

(a) Draw the given plan and elevation of the building.
(b) Develop the roof surface B.
(c) Find the dihedral angle between the surfaces B and C.

Scale 1: 100