Iron Carbon phase diagram

Iron Carbon phase diagram

9th - 12th Grade

8 Qs

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Iron Carbon phase diagram

Iron Carbon phase diagram

Assessment

Passage

Chemistry

9th - 12th Grade

Medium

Created by

Luke Shelley

Used 3+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two most common crystal structures in metals?

Hexagonal and cubic

Tetragonal and orthorhombic

Body centered cubic and face centered cubic

Simple cubic and hexagonal close-packed

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the line of intersection between grains called?

Boundary limit

Atom line

Crystal edge

Grain boundary

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the electromagnetic bonds when a force is applied to a metal?

They immediately break

They stretch, allowing atoms to move slightly

They become stronger

They do not change

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what temperature does ferrite's body centered cubic structure rearrange into a face centered cubic structure known as austenite?

2066 degrees Fahrenheit

1700 degrees Fahrenheit

1670 degrees Fahrenheit

1333 degrees Fahrenheit

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum amount of carbon that can be absorbed by austenite at 2066 degrees Fahrenheit?

0.025 percent

0.80 percent

2.0 percent

6.67 percent

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is cementite also known as?

Ferrite

Iron carbide

Carbon steel

Austenite

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the carbon content range in most steels?

More than 2.0 percent

Exactly 6.67 percent

Less than 0.025 percent

Less than 2.0 percent

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What structure is formed at room temperature if steel containing 0.030 percent carbon is cooled slowly?

Entirely austenite

Mostly ferrite with patches of pearlite

Mixture of ferrite and cementite

Entirely ferrite