Technical Drawing - Exam Papers - Higher - 1997 - Paper 1

Question 5

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Fig. 4 shows the projections of a cylinder which lies on the horizontal plane. The diameter of the circle is 100 mm and its length is 140 mm. Also shown is a straight line PQ on the surface of the cylinder.

The cylinder rolls clockwise along the horizontal plane for one complete revolution. During the rolling of the cylinder the point P moves along the straight line to Q.

Draw the locus of the point P in plan and elevation for the combined movement.

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