Engineering Materials Practice Set-7

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1. An alloy of copper, tin and zinc is known as
2. Depth of hardness of steel is increased by addition of
3. Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is
4. Maximum percentage of carbon in ferrite is
5. Induction hardening is the process of
6. Free carbon in iron makes the metal
7. Tungsten when added to steel __________ the critical temperature.
8. Hardness of steel depends on
9. The property of a material due to which it breaks with little permanent distortion, is called
10. Iron ore is usually found in the form of



Arbaj 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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