Technical Drawing - Exam Papers - Ordinary - 2001 - Paper 1

Question 4

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Fig. 4 shows a circle C which rolls clockwise along the line AB for one complete revolution.

(a) Draw the locus of point P on the circle for this movement.

(b) Draw one convolution of an archimedian spiral when the shortest radius is 20 mm and the longest radius is 75 mm.

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