Question 3
The following materials have been provided for this exercise:
            (a)            
one 1600 mm length of 19 mm PVC pipe;
  
            (b)       one 25 mm PVC elbow;
            (c)       one 25 mm PVC air valve
            (d)      one tin of adhesive paste.   
Using heating method, bend the PVC pipe to the required shape and use push-fit method to form joints to the required dimensions and shape as shown in Fig. 3.
  Observation
All the candidates failed to attempt this question.