Question 1

____ is used as a deoxidizer and ferrite former.

Accepted Answer

A)  Silicon 
B)  Chromium 
C)  Nickel 
D)  Molybdenum 
A)  Silicon 
B)  Chromium 
C)  Nickel 
D)  Molybdenum

Question 2

​What's a major difference between E6010 and E6012 electrodes?

Accepted Answer

A)  ​E6010 electrodes produce less penetrating welds. 
B)  ​E6010 electrodes generate less spatter. 
C)  ​E6012 electrodes generate less smoke and produce a thicker slag layer on the weld. 
D)  ​E6012 electrodes produce stronger welds. 
A)  ​E6010 electrodes produce less penetrating welds. 
B)  ​E6010 electrodes generate less spatter. 
C)  ​E6012 electrodes generate less smoke and produce a thicker slag layer on the weld. 
D)  ​E6012 electrodes produce stronger welds.

Question 3

​As the percentage of carbon increases, ____ can cause hot shortness and porosity.

Accepted Answer

A)  ​carbon 
B)  ​sulfur 
C)  ​phosphorus 
D)  ​manganese 
A)  ​carbon 
B)  ​sulfur 
C)  ​phosphorus 
D)  ​manganese

Question 4

In the identification system for mild steel FCAW electrodes, , for example E71T-2, the final number is used to indicate ____.

Accepted Answer

A)  the minimum tensile strength of the deposited metal 
B)  the primary welding position for which the electrode is designed 
C)  that the filler metal can be used for single or multiple pass welds 
D)  a flux cored electrode 
A)  the minimum tensile strength of the deposited metal 
B)  the primary welding position for which the electrode is designed 
C)  that the filler metal can be used for single or multiple pass welds 
D)  a flux cored electrode

Question 5

​Which of the following would not be a part of the technical data provided for an electrode?

Accepted Answer

A)  ​Ability to weld on rust, oil, or paint 
B)  ​Number of inches of weld per welding electrode 
C)  ​Preheating and postheating temperatures 
D)  ​Cost per pound of electrodes 
A)  ​Ability to weld on rust, oil, or paint 
B)  ​Number of inches of weld per welding electrode 
C)  ​Preheating and postheating temperatures 
D)  ​Cost per pound of electrodes

Question 6

​What is the significance of an alloy's CE number?

Accepted Answer

A)  ​It is a listing of the alloying elements of a filler metal. 
B)  ​It is an indication of how the weld will affect the surrounding metal. 
C)  ​It relates to the Continued Evaluation of an alloy's properties. 
D)  ​It is a way of Classifying the Environmental impact an alloy has. 
A)  ​It is a listing of the alloying elements of a filler metal. 
B)  ​It is an indication of how the weld will affect the surrounding metal. 
C)  ​It relates to the Continued Evaluation of an alloy's properties. 
D)  ​It is a way of Classifying the Environmental impact an alloy has.

Question 7

Which group has developed the most widely used numbering and lettering system for filler metal identification?

Accepted Answer

A)  AWS 
B)  AISI 
C)  ASTM 
D)  ​NEMA 
A)  AWS 
B)  AISI 
C)  ASTM 
D)  ​NEMA

Question 8

​____ act as scavengers that combine with contaminants and float to form the slag on top of the weld.

Accepted Answer

A)  ​Carbon and nickel 
B)  ​Silicon and manganese 
C)  ​Aluminum and copper 
D)  ​Sulfur and magnesium 
A)  ​Carbon and nickel 
B)  ​Silicon and manganese 
C)  ​Aluminum and copper 
D)  ​Sulfur and magnesium

Question 9

A(n) ____________________ value can be used to determine the weldability of an alloy.

Accepted Answer

carbon equ

Question 10

The E6010 electrode contains ____________________, which decomposes into the hydrogen responsible for the deep electrode penetration so desirable in pipeline welding.

Accepted Answer

The answer of The E6010 electrode contains ____________________, which decomposes...

Question 11

____ indicates a filler metal that is used as a current carrying electrode, as a rod, or both.

Accepted Answer

A)  R 
B)  B 
C)  RB 
D)  IN 
A)  R 
B)  B 
C)  RB 
D)  IN

Question 12

____ indicates a brazing filler metal.

Accepted Answer

A)  R 
B)  B 
C)  RB 
D)  IN 
A)  R 
B)  B 
C)  RB 
D)  IN

Question 13

In the identification system for mild steel FCAW electrodes, the letter "T" in the fourth position indicates ____.

Accepted Answer

A)  the minimum tensile strength of the deposited metal 
B)  the primary welding position for which the electrode is designed 
C)  usability and performance capabilities 
D)  a flux cored electrode 
A)  the minimum tensile strength of the deposited metal 
B)  the primary welding position for which the electrode is designed 
C)  usability and performance capabilities 
D)  a flux cored electrode

Question 14

The ____________________ is the impact load required to break a test piece of weld metal.

Accepted Answer

Charpy V-notch
Charp

Question 15

What type of information about an electrode is given by the manufacturer?

Accepted Answer

The type of information given by differe

Question 16

​The E6010 electrodes are designed to be used with _______ polarity.

Accepted Answer

The answer of ​The E6010 electrodes are designed to be...

Question 17

As the percentage of ____ increases, the tensile strength increases, the hardness increases, and ductility is reduced.

Accepted Answer

A)  carbon 
B)  sulfur 
C)  phosphorus 
D)  manganese 
A)  carbon 
B)  sulfur 
C)  phosphorus 
D)  manganese

Question 18

​What characteristic of some fluxes can help to push the weld penetration deeper?

Accepted Answer

A)  ​The larger mass of some bigger electrode flux coverings add a great deal of weight to the slag covering that force the weld penetration deeper. 
B)  ​Some fluxes act as a thermal blanket holding the heat into the weld which lets the weld penetrate deeper. 
C)  ​The formation of a crucible at the end of the electrode that acts as a combustion chamber. 
D)  ​The only way to get deeper weld penetration is to turn the welder's amperage to the maximum. 
A)  ​The larger mass of some bigger electrode flux coverings add a great deal of weight to the slag covering that force the weld penetration deeper. 
B)  ​Some fluxes act as a thermal blanket holding the heat into the weld which lets the weld penetrate deeper. 
C)  ​The formation of a crucible at the end of the electrode that acts as a combustion chamber. 
D)  ​The only way to get deeper weld penetration is to turn the welder's amperage to the maximum.

Question 19

In the AWS specification for carbon steel-covered arc electrodes, a 2 to the right of the tensile strength indicates the following welding position(s): ____.

Accepted Answer

A)  flat, horizontal, overhead, and vertical-down 
B)  all positions flat, horizontal, vertical, and overhead 
C)  flat only and is no longer used 
D)  horizontal fillets and flat 
A)  flat, horizontal, overhead, and vertical-down 
B)  all positions flat, horizontal, vertical, and overhead 
C)  flat only and is no longer used 
D)  horizontal fillets and flat

Question 20

​Why should the temperature extremes a weld will be seeing in service be important to the selection of a filler metal for a weld?

Accepted Answer

A)  ​Some welding electrodes produce more heat than is needed to make a weld if the metal is very cold. 
B)  ​Some metals become very brittle and crack easily at low temperatures. 
C)  ​Some arc welding electrodes will not hold an arc if the metal is too cold. 
D)  ​None of the above 
A)  ​Some welding electrodes produce more heat than is needed to make a weld if the metal is very cold. 
B)  ​Some metals become very brittle and crack easily at low temperatures. 
C)  ​Some arc welding electrodes will not hold an arc if the metal is too cold. 
D)  ​None of the above

Exam 28: Filler Metal Selection

____ is used as a deoxidizer and ferrite former.

​What's a major difference between E6010 and E6012 electrodes?

​As the percentage of carbon increases, ____ can cause hot shortness and porosity.

In the identification system for mild steel FCAW electrodes, , for example E71T-2, the final number is used to indicate ____.

​Which of the following would not be a part of the technical data provided for an electrode?

​What is the significance of an alloy's CE number?

Which group has developed the most widely used numbering and lettering system for filler metal identification?

​____ act as scavengers that combine with contaminants and float to form the slag on top of the weld.

A(n) ____________________ value can be used to determine the weldability of an alloy.

The E6010 electrode contains ____________________, which decomposes into the hydrogen responsible for the deep electrode penetration so desirable in pipeline welding.

____ indicates a filler metal that is used as a current carrying electrode, as a rod, or both.

____ indicates a brazing filler metal.

In the identification system for mild steel FCAW electrodes, the letter "T" in the fourth position indicates ____.

The ____________________ is the impact load required to break a test piece of weld metal.

What type of information about an electrode is given by the manufacturer?

​The E6010 electrodes are designed to be used with _______ polarity.

As the percentage of ____ increases, the tensile strength increases, the hardness increases, and ductility is reduced.

​What characteristic of some fluxes can help to push the weld penetration deeper?

In the AWS specification for carbon steel-covered arc electrodes, a 2 to the right of the tensile strength indicates the following welding position(s): ____.

​Why should the temperature extremes a weld will be seeing in service be important to the selection of a filler metal for a weld?

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

Welding Metallurgy

Weldability of Metals

Welding Automation and Robotics

Other Welding Processes

Oxyfuel Welding and Cutting Equipment, Setup, and Operation

Oxyacetylene Welding

Brazing, Braze Welding, and Soldering

Filters

What's a major difference between E6010 and E6012 electrodes?

As the percentage of carbon increases, ____ can cause hot shortness and porosity.

Which of the following would not be a part of the technical data provided for an electrode?

What is the significance of an alloy's CE number?

____ act as scavengers that combine with contaminants and float to form the slag on top of the weld.

The E6010 electrodes are designed to be used with _______ polarity.

What characteristic of some fluxes can help to push the weld penetration deeper?

Why should the temperature extremes a weld will be seeing in service be important to the selection of a filler metal for a weld?