Engineering Materials Practice Set-4

May 10, 2021

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1. The ability of a material to absorb energy in the plastic range is called
2. Hardness of lower bainite (tempered martensite) is about
3. Babbitt metal is a
4. Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?
5. Vanadium in high speed steels
6. A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as
7. The metallic structure of mild steel is
8. Stress relaxation is the phenomenon
9. The heat treatment process used for softening hardened steel is
10. Which of the following statement is true about brittle fracture?

 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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