Question

Rapid quenching of eutectoid steel ___________ transforms the austenite into martensite.

a.

At room temperature

b.

Below 320°C

c.

At 550°C

d.

Above 723°C

Answer: (d).Above 723°C

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Q. Rapid quenching of eutectoid steel ___________ transforms the austenite into martensite.

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