This section is from the book "Applied Science For Metal Workers", by William H. Dooley. Also available from Amazon: Applied Science For Metal Workers.
1. Is a pattern made larger than a casting? Why?
2. What is the allowance for cast iron? Is it the same for each metal?
3. Describe the steps in working a casting.
4. What is a pattern-maker's shrink rule?
5. Must a pattern-maker make allowance for machining a casting?
6. Is it necessary for a pattern-maker to know machine-shop work?
7. What is the match?
8. What is a molding board?
9. What is a match plate?
10. Describe a molding machine. State the advantages.
11. What is the meaning of molding cores?
12. Is it possible to calculate the weight of a casting from the weight of a pattern?
 
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