Engineering Materials Practice Set-3

May 9, 2021

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1. The defect which takes place due to imperfect packing of atoms during crystallization is known as
2. The percentage of carbon in grey iron castings usually varies between
3. The aluminium alloy made by melting aluminium with 2 to 10% magnesium and 1.75% copper is called
4. Which of the following represents the allotropic forms of iron?
5. The portion of the blast furnace below its widest cross-section is called
6. The machinability of steel is improved by adding
7. Which of the following property is desirable in parts subjected to shock and impact loads?
8. There are fourteen atoms in a unit cell of
9. Hematite iron ore contains iron about
10. Cementite consist of

 

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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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