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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Topicwise Question Bank for Mechanical Engineering  >  Test: Equilibrium Diagrams & Phase Changes - 2 - Mechanical Engineering MCQ

Test: Equilibrium Diagrams & Phase Changes - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Equilibrium Diagrams & Phase Changes - 2

Test: Equilibrium Diagrams & Phase Changes - 2 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Equilibrium Diagrams & Phase Changes - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Equilibrium Diagrams & Phase Changes - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Equilibrium Diagrams & Phase Changes - 2 below.
Solutions of Test: Equilibrium Diagrams & Phase Changes - 2 questions in English are available as part of our Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering & Test: Equilibrium Diagrams & Phase Changes - 2 solutions in Hindi for Topicwise Question Bank for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Equilibrium Diagrams & Phase Changes - 2 | 10 questions in 30 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering Exam | Download free PDF with solutions
Test: Equilibrium Diagrams & Phase Changes - 2 - Question 1
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Ms for Fe-C system is around

Detailed Solution for Test: Equilibrium Diagrams & Phase Changes - 2 - Question 1

Ms temperature: The temperature at which a martensitic transformation starts during cooling after austenitization. This temperature is around 2100C.

Test: Equilibrium Diagrams & Phase Changes - 2 - Question 2
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Following is WRONG about a phase diagram:

Detailed Solution for Test: Equilibrium Diagrams & Phase Changes - 2 - Question 2

Time dependence phase changes is studied by kinetics of the phase transformations.

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Test: Equilibrium Diagrams & Phase Changes - 2 - Question 3
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Which of the following is not a Hume-Ruthery condition?

Test: Equilibrium Diagrams & Phase Changes - 2 - Question 4
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Horizontal arrest in a cooling curve represents:
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Which of the following is not a typical site for nucleation during solid stage transformation?
Test: Equilibrium Diagrams & Phase Changes - 2 - Question 6
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Overall transformation rate changes with temperature as follows:
Test: Equilibrium Diagrams & Phase Changes - 2 - Question 7
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Weight % of carbon in mild steels is
Test: Equilibrium Diagrams & Phase Changes - 2 - Question 8
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Nose of a C-curve represents
Test: Equilibrium Diagrams & Phase Changes - 2 - Question 9
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Diamagnetic materials
Detailed Solution for Test: Equilibrium Diagrams & Phase Changes - 2 - Question 9

Gibbs phase rule is given as
P + F = C + 2
Where P = Number of phase
F = Number of degree of freedom
C = Number of components

Test: Equilibrium Diagrams & Phase Changes - 2 - Question 10
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Hyper eutectoid steels have carbon content
Detailed Solution for Test: Equilibrium Diagrams & Phase Changes - 2 - Question 10

One group is named hypoeutectoid steel (carbon content less than 0.8%) and the other is hypereutectoid steel (carbon content more than 0.8%). In hypoeutectoid steel, the equilibrium microstructure at room temperature consists of ferrite and pearlite; this ferrite is called proeutectoid ferrite

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