Technical Drawing - Exam Papers - Higher - 1994 - Building
Fig. 5 shows the outline plan and elevation of a roof which contains eight hyperbolic paraboloid surfaces.
(a) Draw the given hyperbolic paraboloid surfaces R and S in plan and elevation.
(b) Determine the curvature of the roof surface S along a line joining B to E.
(c) Determine the plane director for the edges AB and CD of the surface A. Show the traces of the plane director having its horizontal trace passing through A.
Scale 1: 500