Technical Drawing - Exam Papers - Ordinary - 1992 - Paper 1

Question 3

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Fig. 3 shows the plan of a rectangular pyramid and two spheres which are in contact with the pyramid. The altitude of the pyramid is 55 mm. All the solids rest on the horizontal plane.

  1. Draw the plan and elevation of the solids.
  2. Another sphere having a diameter of 25 mm rests on the horizontal plane and is in contact with the given spheres. Draw the projections of this sphere.
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