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SSC JE ME Quiz_ Material Science Booster Quiz-5

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Question 1

If carbon present in cast iron is partly free and partly in combined state, it is called ____.

Question 2

Steel containing 18% chromium and 8% nickel is called __________.

Question 3

Steel can be hardened quickly by ______ process

Question 4

Which one of the following medium is used for the fastest cooling rate of steel quenching?

Question 5

Which of the following improve machinability of steel.
1) Sulphur
2) Lead
3) Nitrogen
4) Hydrogen

Question 6

The temperature range of II^nd stage tempering is

Question 7

Which one of the following process is not case hardening?

Question 8

Which of the following is not the correct procedure to increase the fatigue limit ___________.

Question 9

A reaction in which liquid and solid on cooling get converted into another solid is known as _______.

Question 10

Addition of magnesium to cast iron increases its ____________.

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Oct 31AE & JE Exams