Question 1

Which of the following is true of axial spray metal transfer?

Accepted Answer

A)   It is rarely used by itself.
B)   It transfers metal across the arc in larger droplets.
C)   It involves a pulsing current.
D)   There are hundreds of drops per second crossing from the wire to the base metal.E) None of the above
F) A) and B)

Question 2

​In modulated current metal transfer the wire feed speed is _____________.

Accepted Answer

​constant

Question 3

​Explain the modulated current metal transfer process.

Accepted Answer

In the modulated current process a senso...

Question 4

The shielding gas used on carbon steel is ____.

Accepted Answer

A)   helium
B)   carbon dioxide, or a mixture of carbon dioxide and argon
C)   argon
D)   argon, or a mixture of argon and heliumE) B) and D)
F) B) and C)

Question 5

The ____________________ rate is the measure of the weld metal deposited.

Accepted Answer

The answer of The ____________________ rate is the measure of...

Question 6

​The introduction of electronics into welding machines has given welders ______________.

Accepted Answer

A)   ​more control over welding parameters
B)   ​the ability to make any weld in any material
C)   ​the ability to communicate with other welders over the web
D)   ​the ability to make welds without shielding gasE) B) and D)
F) None of the above

Question 7

Explain why the use of GMA welding can help reduce waste of filler metals.

Accepted Answer

GMA welding's 98% deposition rate of fil...

Question 8

____ is a series of ridges cut into the groove.

Accepted Answer

A)   Ridging
B)   Smoothing
C)   Knurling
D)   V-groovingE) C) and D)
F) B) and C)

Question 9

The relationships between current and voltage with different combinations of arc length or wire-feed speeds are called ____________________ characteristics.

Accepted Answer

volt-amper...

Question 10

The purpose of the ____ is to provide a steady and reliable supply of wire to the weld.

Accepted Answer

A)   power source
B)   electrode feed unit
C)   electrode conduit
D)   welding gunE) B) and D)
F) None of the above

Question 11

Which of the following is true of axial spray transfers using high current settings?

Accepted Answer

A)   Higher currents are needed with smaller diameter wires.
B)   High current aids welding sheet metal because the high heat cuts through sheet metal.
C)   High current settings may cause the weld to be difficult to control in out-of-position welds.
D)   The need for higher current removes some restrictions on the process.E) B) and C)
F) A) and C)

Question 12

​Changes in the step-off current have been associated with arc stability________________.

Accepted Answer

A)   ​to make vertical up and overhead welds
B)   ​when only AC power is available for the welding current
C)   ​on aluminum and copper alloys
D)   ​for some higher electrically resistant filler metals such as stainless steel and nickel alloysE) B) and D)
F) A) and C) D

Question 13

​The modulated current transfer process can be used to make code quality root welds ______.

Accepted Answer

A)   ​only if the root face is 1/8 in (3 mm)  and the root opening is 7/32 in.(2.7 mm) 
B)   ​​when the root face is twice the size of the root opening but less than 5/32 in (4 mm) 
C)   ​even if the root opening and root face may vary as much as the code might allow
D)   ​only in ferrous (steel)  alloysE) B) and D)
F) A) and B)

Question 14

Explain the axial spray metal transfer process.

Accepted Answer

This process is identified by the pointi...

Question 15

​When is axial spray metal transfer not practical?

Accepted Answer

A)   ​When welding vertical up.
B)   ​For pipe welding in any position.
C)   ​For making welds on stainless steel.
D)   ​For welding on sheet metal or thin sections.E) A) and C)
F) A) and D) D

Question 16

​Modulated current metal transfer uses an extremely modified version of _________.

Accepted Answer

GMAW-S
S...

Question 17

____________________ systems interlock the power supply and wire feeder.

Accepted Answer

The answer of ____________________ systems interlock the power supply and...

Question 18

​Why would a welder need extra burn protection for their eyes when making an axial spray weld?

Accepted Answer

A)   ​To protect the eye from the increased weld spatter.
B)   ​To protect the eye from the increased heat produced by axial spray arc welding.
C)   ​The high welding current produces a great deal of UV light.
D)   ​The hot metal can cause infrared light burns to the eye and face.E) C) and D)
F) B) and C)

Question 19

The rate of voltage decrease as the amperage increases within the working range is known as ____________________.

Accepted Answer

The answer of The rate of voltage decrease as the...

Question 20

In axial spray metal transfer, the shielding gas is usually a mixture of ____.

Accepted Answer

A)   95% to 98% argon and 2% to 5% oxygen
B)   2% to 5% argon and 95% to 98% oxygen
C)   50% argon and 50% oxygen
D)   5% argon and 95% oxygenE) A) and B)
F) B) and D)

Exam 10: Gas Metal Arc Welding Equipment, Setup, and Operation

Which of the following is true of axial spray metal transfer?

Correct AnswerverifiedShow Answer

​In modulated current metal transfer the wire feed speed is _____________.

Correct Answerverified​constant

​Explain the modulated current metal transfer process.

Correct AnswerverifiedIn the modulated current process a senso...View AnswerShow Answer

The shielding gas used on carbon steel is ____.

Correct AnswerverifiedShow Answer

The ____________________ rate is the measure of the weld metal deposited.

Correct AnswerverifiedShow Answer

​The introduction of electronics into welding machines has given welders ______________.

Correct AnswerverifiedShow Answer

Explain why the use of GMA welding can help reduce waste of filler metals.

Correct AnswerverifiedGMA welding's 98% deposition rate of fil...View AnswerShow Answer

____ is a series of ridges cut into the groove.

Correct AnswerverifiedShow Answer

The relationships between current and voltage with different combinations of arc length or wire-feed speeds are called ____________________ characteristics.

Correct Answerverifiedvolt-amper...View AnswerShow Answer

The purpose of the ____ is to provide a steady and reliable supply of wire to the weld.

Correct AnswerverifiedShow Answer

Which of the following is true of axial spray transfers using high current settings?

Correct AnswerverifiedShow Answer

​Changes in the step-off current have been associated with arc stability________________.

Correct AnswerverifiedD

​The modulated current transfer process can be used to make code quality root welds ______.

Correct AnswerverifiedShow Answer

Explain the axial spray metal transfer process.

Correct AnswerverifiedThis process is identified by the pointi...View AnswerShow Answer

​When is axial spray metal transfer not practical?

Correct AnswerverifiedD

​Modulated current metal transfer uses an extremely modified version of _________.

Correct Answerverified​GMAW-SS...View AnswerShow Answer

____________________ systems interlock the power supply and wire feeder.

Correct AnswerverifiedShow Answer

​Why would a welder need extra burn protection for their eyes when making an axial spray weld?

Correct AnswerverifiedShow Answer

The rate of voltage decrease as the amperage increases within the working range is known as ____________________.

Correct AnswerverifiedShow Answer

In axial spray metal transfer, the shielding gas is usually a mixture of ____.

Correct AnswerverifiedShow Answer

Correct Answer
verified

In modulated current metal transfer the wire feed speed is _____________.

Correct Answer
verified
constant

Explain the modulated current metal transfer process.

Correct Answer
verified
In the modulated current process a senso...
View Answer

Correct Answer
verified

Correct Answer
verified

The introduction of electronics into welding machines has given welders ______________.

Correct Answer
verified

Correct Answer
verified
GMA welding's 98% deposition rate of fil...
View Answer

Correct Answer
verified

Correct Answer
verified
volt-amper...
View Answer

Correct Answer
verified

Correct Answer
verified

Changes in the step-off current have been associated with arc stability________________.

Correct Answer
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D

The modulated current transfer process can be used to make code quality root welds ______.

Correct Answer
verified

Correct Answer
verified
This process is identified by the pointi...
View Answer

When is axial spray metal transfer not practical?

Correct Answer
verified
D

Modulated current metal transfer uses an extremely modified version of _________.

Correct Answer
verified

GMAW-S
S...
View Answer

Correct Answer
verified

Why would a welder need extra burn protection for their eyes when making an axial spray weld?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified