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Metal Works Paper 3, Nov/Dec. 2013  
Questions: 1 2 3 4 5 Main
General Comments
Strength
Weakness/Remedies









Question 5

a)       State the use of each of the following lathe accessories:

  1. travelling steady;
  2. catch plate;
  3. lathe dog;
  4. face plate.

 

                        (b)       List three basic elements to be considered when designing artefacts.

                        (c)        State one cause of each of the following drilling defects:          

  1. drilling breakage;
  2. rough hole.   

      

_____________________________________________________________________________________________________
OBSERVATION

 

This question did not pose much difficulties to the candidates.  The parts that were poorly answered were parts (a) (i) and (b).  The required response to these parts are:           

(a)       (i)         Travelling steady is a fixture used on the lathe to support long
                        bars, to prevent deflections during turning operations.

(b)       -           line
            -           mass
            -           shape
            -           colour

            -           texture
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