Technical Drawing - Exam Papers - Higher - 1996 - Building

Question 6

  

Fig. 5 shows the outline plan and elevation of a monument. The surfaces ABCD and EBFD are in the form of hyperbolic paraboloids.

(a) Draw the given plan and elevation.

(b) Determine the plane director for the edges AB and CD of the surface ABCD. Show the traces of the plane director having its horizontal trace passing through A.

Scale 1: 200

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