waecE-LEARNING
Technical Drawing Paper 2, Nov/Dec. 2012  
Questions: 1 2 3 4 5 6 7 8 9 10 Section B 1 2 Main
General Comments
Weakness/Remedies
Strength



Question 10
  1. In the figure below, sketch a right-hand helical curve which starts at a point X (show hidden details).

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Observation

Candidates were expected to:

  1. divide the pitch into 12 equal parts;
  2. draw the circle and divide into 12 equal parts;
  3. locate the points of intersection;
  4. join the points to obtain the curve.

The solution is shown below

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