waecE-LEARNING
Technical Drawing Paper 1, May/June 2013  
Questions: 1 2 3 4 Main
General Comments
Weakness/Remedies
Strenght






Question 4

The elevation and an incomplete plan of a truncated pentagonal pyramid are given in the figure below.

  1. Copy the given view.

 

  1. Draw the:
  2. complete plan;
  3. auxiliary elevation in the direction of arrow P;
  4. surface development of the pyramid using JK as the seam;
  5. the shape of the cut surface.
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OBSERVATION

Candidates are expected to:

  1. copy the given elevation correctly;
  2. draw the front elevation with the cutting plane;
  3. project lines from cutting plane to the plan;
  4. draw complete plan;
  5. section the cut surface;
  6. construct true length to the side of the pyramid;
  7. draw the development of the frustum;
  8. draw the true shape of the cut surface;
  9. draw the auxiliary projection.

The solution is shown below

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