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Technical Drawing - Exam Papers - Higher - 2003 - BuildingQuestion 4Fig. 4 shows a pictorial view of a shell structure. The surface of the unit is generated by translating the parabola ABC in a vertical position along the parabola BE and terminating at ground level in the hyperbolas DG and FH with the transverse axis DF. B and E are the vertices for the parabolas ABC and BE respectively. (a) Draw a plan, elevation and end elevation of the structure. (b) Determine the true shape of the curve GB. Scale 1 : 500 ![]() ![]() |
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