waecE-LEARNING
Metal Works Paper 2, May/June 2014  
Questions: 1 2 3 4 5 Main
General Comments
Strength
Weakness/Remedies
Question 2

(2)       The sketch shown below is a hand tool.

 

            (a)       (i)         Identify the tool;
                        (ii)        identify the parts labelled K, L, M and N;
                        (iii)       State one use each of the parts labelled K and N.

            (b)       State three steps involved in the process of case-hardening a mild steel.

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OBSERVATION

Most of the candidates who attempted this question had difficulties in providing the required response to part (a) of the question.  The required responses to this part  are given below:

(ai)       is a combination set.

(aii)      K          is centre square                               
            M         is spirit level                          
            L          is rule                                     
            N         is protractor                           

(aiii)     K is used for finding the centre of a circular object.
            N is used for marking out or measuring an angular surface.

 

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