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Phase Equilibria and Phase Transformation Quiz

Authored by wan nur

Education

12th Grade

Used 4+ times

Phase Equilibria and Phase Transformation Quiz
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another name for the Isothermal Transformation Diagram?

Alloy Steel Diagram

Phase Diagram

Time-Temperature-Transformation Diagram

Microstructural Diagram

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of steel is the TTT diagram valid for?

Austenitic steel

Eutectoid steel

Martensitic steel

Ferritic steel

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What microstructure is formed by slow cooling resulting in coarse pearlite with thick ferrite and cementite layers?

Spheroidite

Bainite

Pearlite

Martensite

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main characteristic of martensite in terms of hardness?

Moderately hard

Very soft

Brittle

Very hard

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which heat treatment process is used to relieve stresses, increase softness, ductility, and toughness in a material?

Normalizing

Tempering

Annealing

Quenching

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of quenching in the heat treatment process?

To soften and toughen the material

To increase hardness and strength

To produce rounded carbide forms

To refine grains and produce uniform distribution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main effect of tempering on martensite steel?

Reduces hardness and strength

Increases hardness and strength

Reduces ductility and toughness

Increases ductility and toughness

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