Question:-
Two cooling curves A and B for eutectoid iron-carbon alloy are superimposed on a continuous cooling transformation diagram as shown In the given figure. Fine pearlier microstructure is represented by the points labeled

Option (A)
I and III
Option (B)
II
Option(C)
IV
Option(D)
I
Correct Option:
(C)
Question Solution:
Slow cooling above nose of TTT diagram will have fine pearlite. Point IV will correspond 100% completion line
question-answer-faq-3282