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 - V
1) Which of the following phase will be resulted when the transformation temperature of steel is in the range of 540 °C to 727 °C?
Correct Answer is "B"
Pearlite phase will result when the transformation temperature of steel is in the range of 540 °C to 727 °C?
2) In continuous cooling transformation diagrams, which of the following is true?
Correct Answer is "A"
In continuous cooling transformation diagrams, the material is cooled at a certain rate.
3) Which of the following is present in spheroidite?
Correct Answer is "A"
Ferrite is present in spheroidite
4) From the following figure what is represented by A, B, and C respectively
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Correct Answer is "C"
A = Growth rate, B = Overall transformation rate and C = Nucleation rate
5) In which of the following phases of steel cementite is in lamellar form?
Correct Answer is "D"
In pearlite phases of steel, cementite is present in lamellar form
6) In spheroidizing heat treatment heating of an alloy occurs at a temperature
Correct Answer is "D"
In spheroidizing heat treatment heating of an alloy occurs at a temperature Just below the eutectoid temperature.
7) Growth is possible when
Correct Answer is "A"
Growth is possible when R>R*
8) Coring may be eliminated by a homogeneous heat treatment carried out at a temperature
Correct Answer is "B"
Coring may be eliminated by a homogeneous heat treatment carried out at a temperature bellow solidus temperature
9) Tempering causes the transformation of
Correct Answer is "B"
Tempering causes the transformation of Martensite into troostite
10) In which of the following phases of steel cementite is in particle form?
Correct Answer is "C"
In Bainite, spheroidite steel cementite is in particle form.
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 - V
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