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Auto Mechanics Paper 2,Nov/Dec 2009.  
Questions:   1 2 3 4 5   Main
General Comments
Weakness/Remedies
Strength






















Question 1

(a)        Define the following terms:

  • toe-in;
  • toe-out;
  • camber angle.

 (b)       State three advantages of wheel camber.

 

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OBSERVATION

Most of the candidates could not give the required responses to both part(a) and part(b) of the question.  The required response to part (a) of the question is:

(a)(i)    Toe-in is where the distance between the front wheels is less at the front than at the rear.
    (ii)    Toe-out is where the distance between the front wheels is less at the rear than at 
             the front.
                                                                                                                                   
    (iii)   Camber angle is the angle formed between the centre line of the wheel and the
             vertical.
Part (b) of the question required the candidates to state three advantages of the wheel camber which are:

  • light steering;
  • reduces stress on the wheel bearings;
  • self centering effects
  • wheel is easier to swivel.

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