(3)       (a)        Sketch each of the following wheel rims:
      (i)  well base;   (ii)        flat base;          (iii)       divided.
      (b)        Name the two basic forms of tyre construction.
      (c)        Name one type of wheel balancing operation.
      (d)       Explain the concept of tyre mixing in an  automobile.
    
      The  attempts on this question was relatively good. However, a high number of  Candidates who attempted the question could not sketch the types of wheel rims  as required. The sketches for the rims are as below.


