Question 1

In FCAW ____ % of the electrode is used.

Accepted Answer

A)  11 
B)  50 
C)  70 
D)  nearly 100 
A)  11 
B)  50 
C)  70 
D)  nearly 100 D

Question 2

Which of the following is true of wire electrodes?

Accepted Answer

A)  They must be wrapped in sealed plastic bags. 
B)  Some wire electrodes require storage in an electric rod oven. 
C)  Electrodes should never be wrapped in paper. 
D)  They should not be shipped in cardboard boxes. 
A)  They must be wrapped in sealed plastic bags. 
B)  Some wire electrodes require storage in an electric rod oven. 
C)  Electrodes should never be wrapped in paper. 
D)  They should not be shipped in cardboard boxes. B

Question 3

The addition of ____ gives FCAW the high level of reliability needed for welding on boilers, pressure vessels, and structural steel.

Accepted Answer

A)  flux 
B)  small diameter electrodes 
C)  slags 
D)  bevels 
A)  flux 
B)  small diameter electrodes 
C)  slags 
D)  bevels A

Question 4

Which of the following is true of making high-quality welds?

Accepted Answer

A)  It is affected by the weather. 
B)  Hydrogen entrapment ensures the weld will be high quality. 
C)  Evaporating moisture helps prevent porosity. 
D)  Humidity draws moisture out of the weld zone. 
A)  It is affected by the weather. 
B)  Hydrogen entrapment ensures the weld will be high quality. 
C)  Evaporating moisture helps prevent porosity. 
D)  Humidity draws moisture out of the weld zone.

Question 5

​What can be added to FCAW electrode fluxes to affect the arc resistance?

Accepted Answer

A)  ​deoxidizers 
B)  ​arc stabilizers 
C)  ​alloying elements 
D)  ​slag formers 
A)  ​deoxidizers 
B)  ​arc stabilizers 
C)  ​alloying elements 
D)  ​slag formers

Question 6

FCA welding deposition rates of more than ____ lb./hr.of weld metal are possible.

Accepted Answer

A)  10 
B)  15 
C)  25 
D)  50 
A)  10 
B)  15 
C)  25 
D)  50

Question 7

​What device can be added to a FCA welding gun to help control fumes?

Accepted Answer

A)  ​Smoke extraction nozzle. 
B)  ​Filter screen. 
C)  ​Small fan. 
D)  ​Dust mask. 
A)  ​Smoke extraction nozzle. 
B)  ​Filter screen. 
C)  ​Small fan. 
D)  ​Dust mask.

Question 8

____________________ controls the bead shape by serving as a dam or mold, and also serves as a blanket to slow the weld's cooling rate, which improves its physical properties.

Accepted Answer

The answer of ____________________ controls the bead shape by serving...

Question 9

In FCAW, atmospheric shielding is ____.

Accepted Answer

A)  provided solely by flux sealed within the tubular electrode 
B)  provided completely through a nozzle in the same way as GMAW 
C)  not necessary 
D)  provided by flux sealed within the tubular electrode, but extra shielding may be supplied through a nozzle as in GMAW 
A)  provided solely by flux sealed within the tubular electrode 
B)  provided completely through a nozzle in the same way as GMAW 
C)  not necessary 
D)  provided by flux sealed within the tubular electrode, but extra shielding may be supplied through a nozzle as in GMAW

Question 10

​How is the amperage adjusted on a FCA welding machine?

Accepted Answer

A)  ​By changing the voltage setting on the welder. 
B)  ​You move the welding lead from one amperage setting to the next amperage setting. 
C)  ​Changes in the wire feed speed automatically change the amperage. 
D)  ​The amperage is pre-set by the electrician and cannot be adjusted in the shop. 
A)  ​By changing the voltage setting on the welder. 
B)  ​You move the welding lead from one amperage setting to the next amperage setting. 
C)  ​Changes in the wire feed speed automatically change the amperage. 
D)  ​The amperage is pre-set by the electrician and cannot be adjusted in the shop.

Question 11

​What is the term sometimes used to refer to refractory fluxes?

Accepted Answer

A)  ​lime-based 
B)  ​gas forming 
C)  ​fast-freeze 
D)  ​slag formers 
A)  ​lime-based 
B)  ​gas forming 
C)  ​fast-freeze 
D)  ​slag formers

Question 12

If you feed out ten feet of wire electrode and cut it off, and then lay it on the floor where it forms a circle, it does not lay flat.One end is higher than the other, and this height is known as the ____________________ of the wire.

Accepted Answer

The answer of If you feed out ten feet of...

Question 13

The most popular electrode diameters range from ____ to ____.

Accepted Answer

A)  .035 inch, 3/32 inch 
B)  .030 inch, 5/32 inch 
C)  .030 inch, .035 inch 
D)  3/32 inch, 5/32 inch 
A)  .035 inch, 3/32 inch 
B)  .030 inch, 5/32 inch 
C)  .030 inch, .035 inch 
D)  3/32 inch, 5/32 inch

Question 14

Explain how a fast travel speed can cause undercut.

Accepted Answer

Fast travel speeds deposit less filler m

Question 15

When an externally supplied shielding gas is added to provide the needed protection of the molten weld pool, it is called ____________________.

Accepted Answer

The answer of When an externally supplied shielding gas is...

Question 16

Atmospheric contamination of molten weld metal occurs ____.

Accepted Answer

A)  as it travels across the arc gap and within the pool before it solidifies 
B)  after it solidifies 
C)  infrequently 
D)  when the atmosphere reacts with the flux inside the electrode 
A)  as it travels across the arc gap and within the pool before it solidifies 
B)  after it solidifies 
C)  infrequently 
D)  when the atmosphere reacts with the flux inside the electrode

Question 17

Which of the following is true of FCAW?

Accepted Answer

A)  When bevels are cut, the joint-included angle must be larger than 35 percent. 
B)  The addition of deoxidizers eliminates most of the precleaning required. 
C)  Welds cannot be made on plates with mill scale. 
D)  Edge-beveling preparation is required on all joints up to 1/2 inch. 
A)  When bevels are cut, the joint-included angle must be larger than 35 percent. 
B)  The addition of deoxidizers eliminates most of the precleaning required. 
C)  Welds cannot be made on plates with mill scale. 
D)  Edge-beveling preparation is required on all joints up to 1/2 inch.

Question 18

____ rapidly expand and push the surrounding air away from the molten weld pool.

Accepted Answer

A)  Oxides 
B)  Alloying elements 
C)  Slag formers 
D)  Gas formers 
A)  Oxides 
B)  Alloying elements 
C)  Slag formers 
D)  Gas formers

Question 19

Summarize the advantages and disadvantages of the forehand technique.

Accepted Answer

The advantages of using the forehand wel

Question 20

Which of the following is true of lime-based flux?

Accepted Answer

A)  It is acidic. 
B)  It is generally unsuitable for out-of-position welding. 
C)  It produces a stable, smooth arc. 
D)  It produces less spatter. 
A)  It is acidic. 
B)  It is generally unsuitable for out-of-position welding. 
C)  It produces a stable, smooth arc. 
D)  It produces less spatter.

Exam 12: Flux Cored Arc Welding Equipment, Setup, and Operation

In FCAW ____ % of the electrode is used.

Which of the following is true of wire electrodes?

The addition of ____ gives FCAW the high level of reliability needed for welding on boilers, pressure vessels, and structural steel.

Which of the following is true of making high-quality welds?

​What can be added to FCAW electrode fluxes to affect the arc resistance?

FCA welding deposition rates of more than ____ lb./hr.of weld metal are possible.

​What device can be added to a FCA welding gun to help control fumes?

____________________ controls the bead shape by serving as a dam or mold, and also serves as a blanket to slow the weld's cooling rate, which improves its physical properties.

In FCAW, atmospheric shielding is ____.

​How is the amperage adjusted on a FCA welding machine?

​What is the term sometimes used to refer to refractory fluxes?

If you feed out ten feet of wire electrode and cut it off, and then lay it on the floor where it forms a circle, it does not lay flat.One end is higher than the other, and this height is known as the ____________________ of the wire.

The most popular electrode diameters range from ____ to ____.

Explain how a fast travel speed can cause undercut.

When an externally supplied shielding gas is added to provide the needed protection of the molten weld pool, it is called ____________________.

Atmospheric contamination of molten weld metal occurs ____.

Which of the following is true of FCAW?

____ rapidly expand and push the surrounding air away from the molten weld pool.

Summarize the advantages and disadvantages of the forehand technique.

Which of the following is true of lime-based flux?

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

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

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

What can be added to FCAW electrode fluxes to affect the arc resistance?

What device can be added to a FCA welding gun to help control fumes?

How is the amperage adjusted on a FCA welding machine?

What is the term sometimes used to refer to refractory fluxes?

The most popular electrode diameters range from to .