Phase Diagrams and Microstructure Quiz

Quiz
•
Engineering
•
12th Grade
•
Medium
NORAKMAR (POLINILAI)
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum solubility of carbon in alpha iron (α-Fe) at 910 °C?
0.022 wt%
0.5 wt%
2.14 wt%
0.021 wt%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what temperature does gamma iron (γ-Fe) transform to delta iron (δ-Fe)?
727 °C
1,538 °C
1,394 °C
912 °C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which phase diagram is an example of an isomorphous system?
Copper-zinc (Cu-Zn)
Iron-carbon (Fe-C)
Copper-nickel (Cu-Ni)
Iron-iron carbide (Fe-Fe3C)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the crystal structure of gamma iron (γ-Fe)?
Hexagonal close-packed (HCP)
Simple cubic (SC)
Body-centered cubic (BCC)
Face-centered cubic (FCC)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary characteristic of cementite (Fe3C)?
It is very ductile
It is very hard and brittle
It is non-magnetic
It has a low melting point
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