Q. transformation of austenite to bainite starts from nucleation of-------at austenitic grain boundary
✅ Correct Answer: (A)
ferrite
Engineering Metallurgy MCQs | Page - 2
Dear candidates you will find MCQ questions of Engineering Metallurgy here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Bainite phase is divided into two types-------and--------
✅ Correct Answer: (A)
upper bainite and lower bainite
Q. Martensite phase is obtain by
✅ Correct Answer: (A)
fast cooling or quenching
Q. The isothermal transformation diagram i.e. TTT diagrams are --------
✅ Correct Answer: (C)
time temperature transformation
Q. In the heat treatment cycle CCT means-------
✅ Correct Answer: (C)
critical cooling rate
Q. Heat treatment can be defined as
✅ Correct Answer: (A)
heating the metal in a solid state and then cooling it in a different manner
Q. One of the main purpose of heat treatment
✅ Correct Answer: (D)
all of the above
Q. one of the following is heat treatment process for metal
✅ Correct Answer: (D)
none of the above
Q. one of the following is a purpose of anneling
✅ Correct Answer: (D)
all of the above
Q. In anneling process the metal from high temp is cooled very slowly in the furnace. This statement is -----
✅ Correct Answer: (A)
true
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