Automechanical Works Paper 2 WASSCE (SC), 2017

Question 13

 

(a) Sketch a laminated spring suspension system and label three of its parts.
(b) State one function each of the following as used in the suspension system:
     (i)  U-bolt;
     (ii) centre bolt.
(c) State one function of hydrolastic displacer unit in a motor vehicle.

Observation

 

Solution

(a)  Sketch of laminated spring suspension system with labelled parts

                   soldiag

(b)    .
         (i)   The function of U-bolt in suspension system
                 It is used to hold the spring to the axle.                                                           
    
         (ii)  The function of the centre bolt in the suspension system 
               It is used to hold the leaves of the leaf springs together                                                 
  
 (c)     The functions of hydrolastic displacer unit in a motor vehicle

It improves the tendency of the body to oscillate in a fore-and-aft direction. It also absorbs road shocks and provides cushioning effect on the vehicle