This set of Engineering Materials Science "Multiple Choice Questions & Answers" are based on "PHASE TRANSFORMATION"
PHASE TRANSFORMATION
Multiple Choice Questions (MCQ)
Hello reader, here you can find some MCQ with answers. But before reading this I will suggest you take a practice test on these questions given below. so you can understand your strength on this topic.
Click here to go Practice Test section on this topic namely Phase Transformation.
But if you want to read this topic first and then practice it then read it carefully. The Multiple Choice Questions (MCQ) based on Phase Transformation are given below:
PART - III
1) The hardness of martensite is dependent on
Correct Answer is "C"
The hardness of martensite is dependent on C content
2) Martensitic transformations
Correct Answer is "D"
Martensitic transformations which are diffusionless instantaneous transformation yield a very hard product in steels which is a supersaturated solid solution.
3) The c/a ratio of martensite depends on the concentration of
Correct Answer is "C"
The c/a ratio of BCT martensite depends on the concentration of interstitial C
4) Bainite has
Correct Answer is "A"
Bainite has a non-lamellar morphology of ferrite and cementite
5) Transformation in eutectoid steels is named as
Correct Answer is "C"
Transformation in eutectoid steels is named Austenitizing
6) Cooling of hypereutectoid steel first form
Correct Answer is "D"
Cooling of hypo eutectoid steel first form Proeutectoid α whereas Cooling of hypereutectoid steel first form Proeutectoid Fe3C
7) Slow cooling of hypoeutectoid steel results in formation of
Correct Answer is "C"
Slow cooling of hypo eutectoid steel results in the formation of Proeutectoid ferrite whereas Slow cooling of hypereutectoid steel results in the formation of Proeutectoid cementite
8) A mixture of austenite and cementite is called
Correct Answer is "D"
A mixture of austenite and cementite is called Ledeburite
9) Eutectoid slow cooling of Austenite gives
Correct Answer is "A"
Eutectoid cooling of Austenite gives Pearlite
10) Which of the following is softer among others in nature?
Correct Answer is "A"
Spheroidite is softer in nature among them.
Do you read all the questions and answers given above carefully? let's make a practice on all the questions given above.
Go to: Practice Test on Phase Transformation (MCQ) Part - III
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