Question 1

​Which of the following gases is the least dense?

Accepted Answer

A)  ​Oxygen 
B)  ​Carbon dioxide 
C)  ​Argon 
D)  ​Helium 
A)  ​Oxygen 
B)  ​Carbon dioxide 
C)  ​Argon 
D)  ​Helium

Question 2

​The only difference between all GMA welding machines and some FCA welding machines is that all GMA welding machines must have a ______________.

Accepted Answer

A)  ​cooling water system 
B)  ​shielding gas solenoid 
C)  ​air cooling fan 
D)  ​power contactor to start and stop the current 
A)  ​cooling water system 
B)  ​shielding gas solenoid 
C)  ​air cooling fan 
D)  ​power contactor to start and stop the current

Question 3

​Short electrode stickout gives a _____ weld and a long stickout results in a ______ weld.

Accepted Answer

A)  ​slower, faster 
B)  ​wider, deeper 
C)  ​higher buildup, deeper penetrating 
D)  ​hotter, cooler 
A)  ​slower, faster 
B)  ​wider, deeper 
C)  ​higher buildup, deeper penetrating 
D)  ​hotter, cooler

Question 4

Shielding gases in the gas metal arc process are used primarily to protect the molten metal from oxidation and ____________________.

Accepted Answer

The answer of Shielding gases in the gas metal arc...

Question 5

The ____ the density of a gas, the ____ will be the flow rate required for equal arc protection.

Accepted Answer

A)  lower, lower 
B)  lower, higher 
C)  higher, higher 
D)  lower, slower 
A)  lower, lower 
B)  lower, higher 
C)  higher, higher 
D)  lower, slower

Question 6

High gas flow rates ____.

Accepted Answer

A)  provide better weld coverage 
B)  waste shielding gases 
C)  decrease the venturi effect 
D)  decrease contamination 
A)  provide better weld coverage 
B)  waste shielding gases 
C)  decrease the venturi effect 
D)  decrease contamination

Question 7

The more cost efficient welders can be, the more ___________ they and their companies become.

Accepted Answer

The answer of The more cost efficient welders can be,...

Question 8

​The wire feed speed on charts are generally given in ___________________.

Accepted Answer

A)  ​pounds for filler wire per minute 
B)  ​amperage and voltage 
C)  ​pounds per square inch of weld area 
D)  ​inches per minute 
A)  ​pounds for filler wire per minute 
B)  ​amperage and voltage 
C)  ​pounds per square inch of weld area 
D)  ​inches per minute

Question 9

​Too light of a feed roller pressure can _______________.

Accepted Answer

A)  ​prevent damage to the welding wire 
B)  ​be used to prevent bird-nesting 
C)  ​cause erratic wire feeding 
D)  ​help to reduce the roller's wear 
A)  ​prevent damage to the welding wire 
B)  ​be used to prevent bird-nesting 
C)  ​cause erratic wire feeding 
D)  ​help to reduce the roller's wear

Question 10

With the feed running, adjust the ____________________ so that the reel stops when the feed stops.

Accepted Answer

The answer of With the feed running, adjust the ____________________...

Exam 11: Gas Metal Arc Welding

​Which of the following gases is the least dense?

​The only difference between all GMA welding machines and some FCA welding machines is that all GMA welding machines must have a ______________.

​Short electrode stickout gives a _____ weld and a long stickout results in a ______ weld.

Shielding gases in the gas metal arc process are used primarily to protect the molten metal from oxidation and ____________________.

The ____ the density of a gas, the ____ will be the flow rate required for equal arc protection.

High gas flow rates ____.

The more cost efficient welders can be, the more ___________ they and their companies become.

​The wire feed speed on charts are generally given in ___________________.

​Too light of a feed roller pressure can _______________.

With the feed running, adjust the ____________________ so that the reel stops when the feed stops.

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

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

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

Which of the following gases is the least dense?

The only difference between all GMA welding machines and some FCA welding machines is that all GMA welding machines must have a ______________.

Short electrode stickout gives a _ weld and a long stickout results in a __ weld.

The the density of a gas, the will be the flow rate required for equal arc protection.

The wire feed speed on charts are generally given in ___________________.

Too light of a feed roller pressure can _______________.