Question:-
Tempering’ of quenched martensitic steel is necessary to improve the
Option (A)
hardness of the metal
Option (B)
surface texture of the metal
Option(C)
corrosion resistance of the metal
Option(D)
ductility of the metal
Correct Option:
(D)
Question Solution:
Tempering is done to transform the marten site into tempered marten site (ductility achieved)
question-answer-faq-6629