transformation of austenite to bainite starts from nucleation of-------at austenitic grain boundary
A) ferrite
B) cementite
C) pearlite
D) none of the above
Correct Answer:
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Q6: Following is one of the heat treatment
Q7: One of the following is a heat
Q8: From the following process,one is not a
Q9: One of the following is a transformation
Q10: Pearlite is madeup of alternate colonies or
Q12: Bainite phase is divided into two types-------and--------
A)upper
Q13: Martensite phase is obtain by
A)fast cooling or
Q14: The isothermal transformation diagram i.e. TTT diagrams
Q15: In the heat treatment cycle CCT means-------
A)coolest
Q16: Heat treatment can be defined as
A)heating the
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