1.

RAPID_QUENCHING_OF_EUTECTOID_STEEL_____________TRANSFORMS_THE_AUSTENITE_INTO_MARTENSITE.?$

A. At room temperature
B. Below 320<sup>o</sup>C
C. At 550<sup>o</sup>C
D. Above 723<sup>o</sup>C
Answer» E.


Discussion

No Comment Found

Related MCQs