Metal Works 2, WASSCE (PC 2ND), 2019

Question 4

 

 

  1. What is surface development in sheet metalwork?
  2. List four stages in a design process.
  3. Explain the following metal surface protection processes:
    1. Enamelling;
    2. Lacequering.
  4. Explain the following terms in design:
    1. Sketches
    2. Models.

Observation

 

 

Most of the candidates who attempted this question could not provide the required responses to parts (b) and (d) of the question. The required responses to these parts are:

 

  1.  

  2. - Analysis of a given situation or problem
    - Research/Investigation of the problem
    - Formulation of possible idea or solution development of a chosen idea.
    - Preparation of working drawing of the final idea or solution.
  3.  

    1. Sketches are drawings, usually not drawn to scale.
    2. Models are the working representation of the full size of a design used to demonstrate the effectiveness and efficiency of operations of the design.