Metal Works 2, May/June 2015

Question 4

4.         (a)       (i)         State two reasons why metal surfaces are protected.
                       (ii)        List three methods of protecting metal surfaces from corrosion.

            (b)       Explain with the aid of sketches, the following sheet metalwork tools in use:
(i)         folding bar;

   (ii)        sand bag.

Observation

The whole parts of question 4 posed no problem to the candidates.