3. a) Distinguish between the required conditions for hot working and cold working in terms of:...

  

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3. a) Distinguish between the required conditions for hot working and cold working in terms of: i. Recrystallization temperature ii. Degree of deformation [4 marks] [4 marks] [4 marks] iii. Final surface finish b) Briefly describe the characteristics of the following carbon steels in terms of hardness and ductility: i. Low carbon steel ii. Medium carbon steel iii. High carbon steel c) Classify TWO (2) types of joining metal fabrication method. [2 marks] [2 marks] [2 marks] [2 marks] 3. a) Distinguish between the required conditions for hot working and cold working in terms of: i. Recrystallization temperature ii. Degree of deformation [4 marks] [4 marks] [4 marks] iii. Final surface finish b) Briefly describe the characteristics of the following carbon steels in terms of hardness and ductility: i. Low carbon steel ii. Medium carbon steel iii. High carbon steel c) Classify TWO (2) types of joining metal fabrication method. [2 marks] [2 marks] [2 marks] [2 marks]

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Ans a irecrystallization Temperature is the temperature at which old and deformed grains are replace... View the full answer