1. Describe five classes of fire and their extinguishers. (15 marks)
2. Explain any five factors that determine the layout of a workshop. (10 marks)
3. a) Distinguish between metals, non metals and alloys. ( 3marks)
b) Explain any three of the following properties of engineering metals:
I) mechanical
II) physical
(18 marks)
4. Using sketches explain the extraction process of iron. ( 14 marks)
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