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ISRO 2018 Material Science Quiz 1

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Question 1

What is the common surface hardening treatment in steel?

Question 2

Hardness of martensite is about

Question 3

The structure which has the highest packing of atoms are

Question 4

Which of the following order of crystal structure will match with metals Iron — Copper — Zinc in that order?

Question 5

Corosion resistance of steel increases by addition of

Question 6

Addition of copper to aluminium results in __________.

Question 7

Which of the following is a type of dislocations?

Question 8

The structure of α - iron in iron carbon diagram is ________.
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