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Technical Drawing - Exam Papers - Ordinary - 2005 - BuildingQuestion 4Fig. 4 shows the outline plan of a hyperbolic paraboloid roof surface ABCD. The corner D is at ground level, corner B is 5m above ground level and corners A and C are 10m above ground level. (a) Draw the given plan of the roof and project an elevation. (b) Determine the true shape of the section S-S through the roof surface. (c) Draw a new elevation of the roof which will show the true length of the edge AD. Scale 1 : 100 ![]() ![]() |
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