GMAW Chapter 10 Test Review Exam
Questions And Answers
When the hole in the contact tip is worn what problem is created in
the weld? - - -
correct answer ✅The Arc ignition is poor
What type of power source is used for gmaw? - - -
correct answer ✅Constant voltage
How is the amperage controlled? - - -
correct answer ✅By adjusting the speed of the wire
How does the welder determine what size contact tube is needed?
---
correct answer ✅Wire diameter
What does the S represent in ER70S - 6? - - -
correct answer ✅Solid Wire
Large amounts of spatter in the MIG gun nozzle can cause what
weld problems to occur? - - -
correct answer ✅Poor shielding which leads to porosity
, GMAW Chapter 10 Test Review Exam
Questions And Answers
Electric current is transferred to the electrode wire in this part of
the gun - - -
correct answer ✅Contact tip
Wire electrode extension is defined as - - -
correct answer ✅The end of the contact tube to the tip of the wire
The rate of speed that the wire comes out of the gun is calculated
as - - -
correct answer ✅Inches per minute or millimeters per second
Name the two types of shielding gases that comes out of the guns
nozzle - - -
correct answer ✅Inert and Reactive
What gases can be used for the spray transfer process? - - -
correct answer ✅100% Argon
98% Argon + 2% O2
90% Argon + 10% CO2
Questions And Answers
When the hole in the contact tip is worn what problem is created in
the weld? - - -
correct answer ✅The Arc ignition is poor
What type of power source is used for gmaw? - - -
correct answer ✅Constant voltage
How is the amperage controlled? - - -
correct answer ✅By adjusting the speed of the wire
How does the welder determine what size contact tube is needed?
---
correct answer ✅Wire diameter
What does the S represent in ER70S - 6? - - -
correct answer ✅Solid Wire
Large amounts of spatter in the MIG gun nozzle can cause what
weld problems to occur? - - -
correct answer ✅Poor shielding which leads to porosity
, GMAW Chapter 10 Test Review Exam
Questions And Answers
Electric current is transferred to the electrode wire in this part of
the gun - - -
correct answer ✅Contact tip
Wire electrode extension is defined as - - -
correct answer ✅The end of the contact tube to the tip of the wire
The rate of speed that the wire comes out of the gun is calculated
as - - -
correct answer ✅Inches per minute or millimeters per second
Name the two types of shielding gases that comes out of the guns
nozzle - - -
correct answer ✅Inert and Reactive
What gases can be used for the spray transfer process? - - -
correct answer ✅100% Argon
98% Argon + 2% O2
90% Argon + 10% CO2
