Question 1

If the voltage and wire feed speed are not changed but a larger wire size is used, the _________.

Accepted Answer

A)  amperage would automatically go up 
B)  electrode would short out to the weld because more amps are needed for the larger wire size 
C)  voltage would decrease because the larger wire would have less resistance. 
D)  voltage would decrease because the larger wire would have less resistance 
A)  amperage would automatically go up 
B)  electrode would short out to the weld because more amps are needed for the larger wire size 
C)  voltage would decrease because the larger wire would have less resistance. 
D)  voltage would decrease because the larger wire would have less resistance A

Question 2

If you feed out 10 feet of wire electrode and cut it off, then lay it on the floor where it forms a circle, the diameter of the circle is known as the ____________________ of the wire.

Accepted Answer

cast

Question 3

Unmounted coils are available in weights of around ___________.

Accepted Answer

A)  1000 lb (454 kg) 
B)  4 lb (1.8 kg) 
C)  60 lb (27 kg) 
D)  25 lb (11 kg) 
A)  1000 lb (454 kg) 
B)  4 lb (1.8 kg) 
C)  60 lb (27 kg) 
D)  25 lb (11 kg) C

Question 4

Explain how a fast travel speed can cause undercut.

Accepted Answer

Fast travel speeds deposit less filler m

Question 5

In the electrode classification system, the "T" in E70T-10 stands for ____________________.

Accepted Answer

The answer of In the electrode classification system, the "T"...

Question 6

If you feed out 10 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 10 feet of...

Question 7

____ are added to the flux and form a slag.

Accepted Answer

A)  Carbon, chromium, and vanadium 
B)  Aluminum, silicon, and titanium 
C)  Potassium, sodium, and zirconium 
D)  Oxygen, argon, and nitrogen 
A)  Carbon, chromium, and vanadium 
B)  Aluminum, silicon, and titanium 
C)  Potassium, sodium, and zirconium 
D)  Oxygen, argon, and nitrogen

Question 8

____ can be added to improve hardness, strength, creep resistance, and corrosion resistance.

Accepted Answer

A)  Carbon, chromium, and vanadium 
B)  Aluminum, silicon, and titanium 
C)  Potassium, sodium, and zirconium 
D)  Oxygen, argon, and nitrogen 
A)  Carbon, chromium, and vanadium 
B)  Aluminum, silicon, and titanium 
C)  Potassium, sodium, and zirconium 
D)  Oxygen, argon, and nitrogen

Question 9

The American Welding Society defines ____ as the linear rate at which the arc is moved along the weld joint.

Accepted Answer

A)  arc length 
B)  current 
C)  travel speed 
D)  weld bead 
A)  arc length 
B)  current 
C)  travel speed 
D)  weld bead

Question 10

The major atmospheric contaminations come from ____.

Accepted Answer

A)  carbon monoxide 
B)  carbon dioxide and nitrogen 
C)  oxygen and nitrogen 
D)  ozone 
A)  carbon monoxide 
B)  carbon dioxide and nitrogen 
C)  oxygen and nitrogen 
D)  ozone

Question 11

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 12

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 13

FCAW electrodes have a flux that is mineral based, often called ____________.

Accepted Answer

The answer of FCAW electrodes have a flux that is...

Question 14

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 15

The main limitation of flux cored arc welding is that ____.

Accepted Answer

A)  the molten weld pool is difficult to control 
B)  visibility is impaired by the shielding gas nozzle 
C)  it is confined to ferrous metals and nickel-based alloys 
D)  high deposition rates are not possible 
A)  the molten weld pool is difficult to control 
B)  visibility is impaired by the shielding gas nozzle 
C)  it is confined to ferrous metals and nickel-based alloys 
D)  high deposition rates are not possible

Question 16

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.

Question 17

FCA welding guns are available as water-cooled or air-cooled. The ____________________-cooled gun is more portable because it has fewer hoses.

Accepted Answer

The answer of FCA welding guns are available as water-cooled...

Question 18

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 19

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

Accepted Answer

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

Question 20

Multifunction ____________________ welding machines have become the standard machines most shops are using today.

Accepted Answer

The answer of Multifunction ____________________ welding machines have become the...

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

If the voltage and wire feed speed are not changed but a larger wire size is used, the _________.

If you feed out 10 feet of wire electrode and cut it off, then lay it on the floor where it forms a circle, the diameter of the circle is known as the ____________________ of the wire.

Unmounted coils are available in weights of around ___________.

Explain how a fast travel speed can cause undercut.

In the electrode classification system, the "T" in E70T-10 stands for ____________________.

If you feed out 10 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.

____ are added to the flux and form a slag.

____ can be added to improve hardness, strength, creep resistance, and corrosion resistance.

The American Welding Society defines ____ as the linear rate at which the arc is moved along the weld joint.

The major atmospheric contaminations come from ____.

Which of the following is true of FCAW?

In FCAW, atmospheric shielding is ____.

FCAW electrodes have a flux that is mineral based, often called ____________.

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

The main limitation of flux cored arc welding is that ____.

Which of the following is true of wire electrodes?

FCA welding guns are available as water-cooled or air-cooled. The ____________________-cooled gun is more portable because it has fewer hoses.

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

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

Multifunction ____________________ welding machines have become the standard machines most shops are using today.

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 Equipment, Setup, and Operation

Plasma Arc Cutting Equipment, Setup, and Operation

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, and Operation

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

Welding Metallurgy

Weldability of Metals

Filler Metal Selection

Welding Automation and Robotics

Other Welding Processes

Oxyfuel Welding Equipment, Setup, and Operation

Oxyacetylene Welding and Brazing, Braze Welding, and Soldering

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