Chapter 1-3 Modern Materials And Manfacturing Processes Quiz
15 Questions
| Total Attempts: 67
This is a quiz that will ascertain one's knowledge of the materials in Chapters 1-3.
Questions and Answers
- 1.Atoms with positive or negative valence are called ions. What causes this condition?
- 2.When a metal changes from one unit cell structure to another at certain temperature, what is this said to be?
- 3.When a metal beings to soldify, many grains begin to grow. These are called dendrites. At what location do they stop growing?
- 4.What are the similarities and differences between thermoplastics and thermosets?
- 5.Ceramics are typically compounds of what type elements? What type(s) of bonding are used in ceramics?
- 6.What is the difference between elasticity and plasticity? Define each.
- 7.What property of a metal describes it's ability to be easily drawn into a wire but not rolled into a sheet without splitting?
- 8.Define hardness as it is measured on a Rockwell or Brinell testing instrument?
- 9.Which is the better conductor of heat or electricity, a pure metal or an alloy?
- 10.How can machinery parts and pipeline welds be tested for flaws without destroying them? Name several processes?
- 11.On the right side of the iron-carbon diagram, what kind of metal is found when the carbon content is over 2 percent?
- 12.State the difference between the eutectic and eutectoid points.
- 13.What does the process of temper drawing do for hardened carbon steel?
- 14.How can a steel that contains insufficient carbon to be hardened be surface hardened?
- 15.What annealing method should be used for softening a hardened high-carbon tool steel
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