Question 5
(a) Explain the following design terms:
- Pre-conceived idea;
- Annotation.
(b) State two differences between cold and hot chisels.
(c) (i) Sketch a micrometer screw gauge.
(ii) Label two parts of the micrometer screw gauge sketched in 5(c)(i).
(iii) State one use of the micrometer screw gauge.
Observation
Most of the candidates who attempted this question could not provide the required responses to parts (a) of the question.
The required responses to these parts are:
- Explaining the terms
- Pre – conceived idea
Having a prior thought of solution to a particular problem
(ii) Annotation
Notes added to the possible solution to explain the drawings/sketches in terms of shape, material, construction, function and reason for accepting or rejecting the solution.