Auto body repair & Spray painting Paper 2 WASSCE (SC), 2017

Question 1

  

  1. Name one protective wear each used on the following parts of the body while working in an auto body repair shop
    1. eyes;
    2. nose;
    3. head;
    4. hand;
    5. foot.

     

  2. List four hot shrinking tools used in an auto body repair shop.
  3. Explain the purpose of each of the following materials in the finishing operations of auto body repair work:
    1. filler;
    2. surface.

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Observation

The candidates that attempted this question did very well. However, a few of them could not satisfactorily answer questions 1 (b) and 1 (c). Below are the solutions of the poorly answered questions.
 
Solution

(b)  Hot shrinking tools used in an auto body repair shop

Shrinking hammer, mallet, wire brush, planishing hammer, dolly block, damp cloth, stake
(c)  Purposes of the use of some materials in auto body repair work
(i) Fillers                                                                                                                                               
Fillers are used in auto body repair for leveling deep dents which cannot be satisfactorily filled with surfacer. They are used on the dented panels before the panels are coated.

(ii) Surfacer
Surfacers are used by spray painters to build up the coating  thickness of coated panels and fill up minor dents, such as cracks.