quiz5s202 - a 4.3 carbon b 2 carbon c 0.8 carbon(c 7...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Home Introduction Policies Resources Requirements & Grading Syllabus Assignments Handouts Discussion Web Links Distance Learners Contact MSE 200 Quiz 5
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
1. White cast irons are brittle because of a. ionic bonding b. casting defects c. cementite is brittle (c ) 2. With increasing carbon percentage, the TTT diagrams shift to the a. right b. left c. neither side ( a) 3. Most plain carbon steels contain carbon no more than a. 4.3% b. 2% c. 1.4% ( c) 4. Nodular or ductile iron is made by a. deformation of white cast iron b. addition of 2 to 3 % Si to white cast iron c. addition of 2-3%Si and innoculants of magnesium and cerium (c ) 5. Silicon is added to cast irons to a. dissociate Fe3C b. form SiC c. form nodules of graphite (a )
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a. 4.3% carbon b. 2% carbon c. 0.8% carbon (c ) 7. Solubility of carbon in austenite compared to that in ferrite is a. high b. low c. same (a ) 8. Hypereutectoid steels are never heated to austenitic temperatures because a. brittle cementite network forms upon cooling b. grain size becomes smaller c. energy costs are high ( a) 9. Rolling of steels to get large deformation is performed a. below A123 line b. in the austenitic range c. at room temperature ( b) 10. Most structural steels contain a carbon percentage below a. 0.8% carbon b. 1% carbon c. 4.3% carbon (a ) Bonus question: 1. Should the MSE 200 lab be retained- give reasons...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern