Cooling and Heating Curves (solutions, examples, activities, experiment, videos)

4. What are the differences between cooling curve of the pure metal and alloy? Draw the coolingcurve of each and explain each of them in 2-3 lines. (20 marks)5. What is hot tear in casting? How can we avoid it?(20 marks)

Fig. 15.8 shows a cooling curve for a substance which, starting... | Filo

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