Metallurgy Test Questions

Q.  Which of the following statements is/are true about Iron in Iron-Carbon equilibrium diagram ? 1. It is soft and ductile 2. It is allotropic in nature 3. It is magnetic above curie temperature 4. Below the temperature of 1539 °C, iron is in liquid state

a. 1 and 2
b. 2 and 3
c. 3 and 4
d. All of the above


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