waecE-LEARNING
Technical Drawing Paper 3, Nov/Dec. 2014  
Questions: 1 2 3 4 Main
General Comments
Weakness/Remedies
Strength



Question 2

 

 

Make a neat freehand pictorial sketch of a twist drill.

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Observation

Candidates were asked to make a neat freehand pictorial sketch of a twist drill.  Majority of the candidates could not distinguish between a twist drill and a drilling machine, hence their performance was poor.

Candidates were expected to do the following:

  1. sketch using freehand;
  2. sketch pictorial view;
  3. draw for resemblance;
  4. draw to proportionality;
  5. draw lip-angle;
  6. draw lip;
  7. draw land;
  8. draw flute;
  9. draw shank-parallel/taper.

 

The solution is shown below:

 

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