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ESE 2021 ME Technical Quiz || Heat Treatment

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Question 1

Delta iron exists in the temperature ( in ) range of ______.

Question 2

The case hardening of gear components of machine tools is done by

Question 3

Austenite has which of the following crystal structure?

Question 4

Nitriding, a heat treatment process, will______.

Question 5

Which is the isothermal reversible reaction in which a solid phase is converted into two or more intimately mixed solids on cooling?
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Jul 13ESE & GATE ME