Question 3
(a) State one function of the clapper box of the shaping machine.
(b) State one function of each of the following parts of a pedestal grinding machine:
(i) tool rest;
(ii) wheel guard;
(iii) perspex shield.
(c) List three areas where design problems could be identified.
(d) State two analysis questions of economic importance in design work.
Observation
Candidates’ overall performance in this question was good. Some candidates, however, could not satisfactorily answer questions 3(c) and 3(d).
The solution of those poorly answered questions are as follows:
(c) Listing three areas where design problem could be identified:
Hospitals, Homes, Markets, Schools, Churches, Motor garage, Mosque.
(d) Stating Two analysis questions of economic importance in design work:
- Is the unit cheap?
- Will the unit meet the market demand?
- How much will the unit cost?
- Can the unit be affordable by an average person?
- What will be the cost of the unit materials?
- Will it sell fast?