Technical Drawing - Exam Papers - Higher - 1998 - Paper 1

Question 3

Fig. 2 shows the plan of a sphere A and a right cone B resting on the horizontal plane. The altitude of the cone is 80 mm.

(a) Draw the plan and elevation of the solids and show the projections of another sphere in the position C so that it rests on the horizontal plane, is in contact with sphere A and touches the cone B at a point 15mm above the horizontal plane.

(b) Show the projections of another right cone in the position D standing on the horizontal plane so that it is in contact with the base of cone B and touches the sphere A at the point P.