Technical Drawing - Exam Papers - Ordinary - 2004 - Paper 1

Question 3

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Fig. 3 shows the plan of a cone A and a sphere B. Also shown is a sphere C, which is in contact with both solids. All three solids rest on the horizontal plane.
The cone has an altitude of 70mm.
The plan of a point P on the surface of the cone is also shown.

(a) Draw the elevation and plan of the three solids showing clearly how the centre of sphere C is located.

(b) Show the position of point P in elevation.

(c) Draw the plan and elevation of another sphere, having a diameter of 40mm, which shall be in contact with the cone at the point P.

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