Question 1

​Which of the following is a way of forming raw metal into a usable material?

Accepted Answer

A)   ​forging
B)   ​casting
C)   ​rolling
D)   ​All of the above

Question 2

____ is the ease with which a metal will crack or break apart without noticeable deformation.

Accepted Answer

A)   Hardness
B)   Brittleness
C)   Toughness
D)   Strength

Question 3

One BTU is defined as ____.

Accepted Answer

A)   the amount of heat required to raise one pound of water one degree Fahrenheit
B)   the amount of energy required to raise one gram of water one degree Celsius
C)   the amount of heat required to raise one gallon of water from freezing to boiling point
D)   the amount of energy required to melt one gallon of water

Question 4

​How is steel making similar to welding processes?

Accepted Answer

A)   ​Both use a flux to remove impurities.
B)   ​Both processes use an inert shielding gas to protect the molten metal from oxidation.
C)   ​Both have a way of controlling the carbon content to control the hardness of the metal.
D)   ​They really are not similar in any way because one is so small compared to the other which is so much bigger.

Question 5

____ may be defined as resistance to penetration.

Accepted Answer

A)   Hardness
B)   Brittleness
C)   Toughness
D)   Strength A

Question 6

​Why would an ingot need to be placed back in a furnace after it has been cast?

Accepted Answer

A)   ​To give it time to outgas all of the impurities before it is made into a plate or pipe.
B)   ​To make the temperature consistent across the entire ingot.
C)   ​So that impurities can float out of the ingot making it a better steel.
D)   ​It is a way of tempering the metal to make it harder.

Question 7

​Which quenching process results in the most rapid cooling of a part?

Accepted Answer

A)   ​molten salt
B)   ​oil
C)   ​water
D)   ​brine

Question 8

____ is practically pure iron (in plain carbon steels)  existing below the lower transformation temperature.

Accepted Answer

A)   Ferrite
B)   Cementite
C)   Pearlite
D)   Austenite

Question 9

Silly Putty is ____.

Accepted Answer

A)   ductile but has high impact strength
B)   ductile but has low impact strength
C)   brittle but has high impact strength
D)   tough but has low impact strength

Question 10

The fundamental building blocks of all metals are atoms arranged in very precise three-dimensional patterns called ____________________.

Accepted Answer

The answer of The fundamental building blocks of all metals...

Question 11

Stainless steels rely on ____________________ for their resistance to corrosion.

Accepted Answer

The answer of Stainless steels rely on ____________________ for their...

Question 12

____ is a compound of iron and carbon, Fe2C.

Accepted Answer

A)   Ferrite
B)   Cementite
C)   Pearlite
D)   Austenite

Question 13

Explained why tempered martensite is very strong and tough.

Accepted Answer

When martensite is tempered, some of the...

Question 14

____ strength is the property of a material to withstand a twisting force.

Accepted Answer

A)   Tensile
B)   Compressive
C)   Shear
D)   Torsional

Question 15

____________________ is the hardest of the transformation products of austenite.

Accepted Answer

Martensite

Question 16

​Which of the following is a way that a forming mill can be used to convert an ingot into a usable product.

Accepted Answer

A)   ​rolling
B)   ​extruding
C)   ​drawing
D)   ​All of the above D

Question 17

​What is the term used to describe the process of replacing some of the atoms in a crystal lattice with other metal atoms?

Accepted Answer

A)   ​Solid-solution hardening
B)   ​Precipitation hardening
C)   ​Recrystallization
D)   ​Normalizing

Question 18

​Which direction is the grain structure of a rolled steel plate the strongest?

Accepted Answer

A)   ​At a 90° angle to the rolled direction.
B)   ​In the direction of the roll.
C)   ​Through its thickness.
D)   ​It is as strong in any direction.

Question 19

____ is magnetic and has very slight solid solubility, less than 0.02%, of carbon.

Accepted Answer

A)   Ferrite
B)   Cementite
C)   Pearlite
D)   Austenite

Question 20

The M.temperature for carbon steels is about ____.

Accepted Answer

A)   200°F to 400°F
B)   400°F to 600°F
C)   600°F to 800°F
D)   800°F to 1000°F

Exam 26: Welding Metallurgy

​Which of the following is a way of forming raw metal into a usable material?

Correct AnswerverifiedShow Answer

____ is the ease with which a metal will crack or break apart without noticeable deformation.

Correct AnswerverifiedShow Answer

One BTU is defined as ____.

Correct AnswerverifiedShow Answer

​How is steel making similar to welding processes?

Correct AnswerverifiedShow Answer

____ may be defined as resistance to penetration.

Correct AnswerverifiedA

​Why would an ingot need to be placed back in a furnace after it has been cast?

Correct AnswerverifiedShow Answer

​Which quenching process results in the most rapid cooling of a part?

Correct AnswerverifiedShow Answer

____ is practically pure iron (in plain carbon steels) existing below the lower transformation temperature.

Correct AnswerverifiedShow Answer

Silly Putty is ____.

Correct AnswerverifiedShow Answer

The fundamental building blocks of all metals are atoms arranged in very precise three-dimensional patterns called ____________________.

Correct AnswerverifiedShow Answer

Stainless steels rely on ____________________ for their resistance to corrosion.

Correct AnswerverifiedShow Answer

____ is a compound of iron and carbon, Fe2C.

Correct AnswerverifiedShow Answer

Explained why tempered martensite is very strong and tough.

Correct AnswerverifiedWhen martensite is tempered, some of the...View AnswerShow Answer

____ strength is the property of a material to withstand a twisting force.

Correct AnswerverifiedShow Answer

____________________ is the hardest of the transformation products of austenite.

Correct AnswerverifiedMartensite

​Which of the following is a way that a forming mill can be used to convert an ingot into a usable product.

Correct AnswerverifiedD

​What is the term used to describe the process of replacing some of the atoms in a crystal lattice with other metal atoms?

Correct AnswerverifiedShow Answer

​Which direction is the grain structure of a rolled steel plate the strongest?

Correct AnswerverifiedShow Answer

____ is magnetic and has very slight solid solubility, less than 0.02%, of carbon.

Correct AnswerverifiedShow Answer

The M.temperature for carbon steels is about ____.

Correct AnswerverifiedShow Answer

Which of the following is a way of forming raw metal into a usable material?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

How is steel making similar to welding processes?

Correct Answer
verified

Correct Answer
verified
A

Why would an ingot need to be placed back in a furnace after it has been cast?

Correct Answer
verified

Which quenching process results in the most rapid cooling of a part?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
When martensite is tempered, some of the...
View Answer

Correct Answer
verified

Correct Answer
verified
Martensite

Which of the following is a way that a forming mill can be used to convert an ingot into a usable product.

Correct Answer
verified
D

What is the term used to describe the process of replacing some of the atoms in a crystal lattice with other metal atoms?

Correct Answer
verified

Which direction is the grain structure of a rolled steel plate the strongest?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified