Question 1

____ may be defined as resistance to penetration.

Accepted Answer

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

Question 2

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

Question 3

____________________ is the hardest of the transformation products of austenite.

Accepted Answer

Martensite

Question 4

​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. 
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 5

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

Accepted Answer

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

Question 6

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 7

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

Question 8

Explained why tempered martensite is very strong and tough.

Accepted Answer

When martensite is tempered, some of the

Question 9

Stainless steels rely on ____________________ for their resistance to corrosion.

Accepted Answer

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

Question 10

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

Question 11

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 
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 12

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

Accepted Answer

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

Question 13

​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. 
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 14

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

Accepted Answer

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

Question 15

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 
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 16

​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. 
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 17

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

Question 18

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

Question 19

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

Accepted Answer

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

Question 20

____ is a compound of iron and carbon, Fe2C.

Accepted Answer

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

Exam 26: Welding Metallurgy

____ may be defined as resistance to penetration.

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

____________________ is the hardest of the transformation products of austenite.

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

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

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

The M.temperature for carbon steels is about ____.

Explained why tempered martensite is very strong and tough.

Stainless steels rely on ____________________ for their resistance to corrosion.

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

One BTU is defined as ____.

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

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

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

Silly Putty is ____.

​How is steel making similar to welding processes?

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

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

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

____ is a compound of iron and carbon, Fe2C.

Introduction to Welding

Safety in Welding

Shielded Metal Arc Equipment, Setup, and Operation

Shielded Metal Arc Welding of Plate

Shielded Metal Arc Welding of Pipe

Shielded Metal Arc Welding Aws Sense Certification

Flame Cutting

Plasma Arc Cutting

Related Cutting Processes

Gas Metal Arc Welding Equipment, Setup, and Operation

Gas Metal Arc Welding

Flux Cored Arc Welding Equipment, Setup, and Operation

Flux Cored Arc Welding

Gas Metal Arc and Flux Cored Arc Welding of Pipe

Gas Metal Arc and Flux Cored Arc Welding Aws Sense Certification

Gas Tungsten Arc Welding Equipment, Setup, Operation, and Filler Metals

Gas Tungsten Arc Welding of Plate

Gas Tungsten Arc Welding of Pipe

Gas Tungsten Arc Welding Plate and Pipe Aws Sense Certification

Shop Math and Weld Cost

Reading Technical Drawings

Welding Joint Design and Welding Symbols

Fabricating Techniques and Practices

Welding Codes and Standards

Testing and Inspection of Welds

Weldability of Metals

Filler Metal Selection

Welding Automation and Robotics

Other Welding Processes

Oxyfuel Welding and Cutting Equipment, Setup, and Operation

Oxyacetylene Welding

Brazing, Braze Welding, and Soldering

Filters

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

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

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

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

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

How is steel making similar to welding processes?

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