waecE-LEARNING
Air-Conditioning/Refrigeration , May/June 2014  
Questions: 1 2 3 4 5   Main
General Comments
Weakness/Remedies
Strength







Question 1

             

(1)       (a)       State three general safety precautions to be observed in a
                                    refrigeration and air- conditioning workshop.
(b)       List the three states of matter.
(c)        (i)         sketch a thermometer.
            (ii)        Label three parts of the sketch made in (1)(c)(i).

 

 

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Observation

Most of the candidates who attempted this question performed excellently well in parts (a) and (b).  The required sketch for part (c) is given below:

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