For the Aluminum production system described below in Figure 10.39,
a. Calculate
i. the amount of aluminum input to “primary aluminum casting” (? in kg of aluminum);
ii. the amount of aluminum input into “secondary aluminum casting” (?, in kg aluminum); and
iii. the total energy consumed.
b. If the waste, W, from the product assembly is sent to shape casting to be reused, and the percentage ratios from primary casting and secondary casting still remain 60:40, recalculate all three values i to iii.
What will be an ideal response?
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