Observation

The performance of candidates that attempted the question was not good enough in 4 (a) and (b). The correct responses to the poorly answered parts of the question is given below

  Solution

(a) Advantages of steel over fibre glass in the construction of auto body panels
-  Steel  is more resistant to breakage
-  Steel is easier to shape when distorted
-  Steel is easier to weld when damaged
-  Steel is more resistant to crack
-  Parts are easily aligned prior to welding
-  Spray painting of parts can be carried out
-  Steel is readily available

              (b) Disadvantages of steel over fibre glass in the construction of auto body panels
-  Steel is not easily remoulded
-  Steel is more prone to corrosion.
-  Steel is heavier in weight
-  Steel needs a re-spray after body work
-  Not easily cut into sizes or shape