Question 4

                   Fig. 6: Automobile Wheel and Tyre, Showing Securing bolts

              Use the sketch in fig. 6 to answer the question in 15 (a)

1. If bolts V and Y are respectively the first and second to be tightened, which bolt should be tightened:
2. 3rd;
3. 4th;
4.  5th?                                                                           

    
(b)  State two reasons why wheel bolts should be tightened in the
correct order.
(c)  (i)   State two functions of road wheel valve.
(ii)  Name one part of road wheel valve.