Welding Certification Practice Test

Welders have many certification options depending on their career choice and specialization.

The basic certification is Certified Welder (CW) offered by the American Welding Society.

The CW exam consists of a written test and a practical exam.

Before taking the CW written exam, take our certified welder practice test to see if you have the necessary knowledge.

Our practice exam will cover the hard welding skills and knowledge required to pass the CW exam.

Welding Certification Practice Test

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Question 1
What type of welding process uses a flux-coated electrode to create a molten pool for joining metals?
A
TIG welding
B
MIG welding
C
Stick welding
D
Gas welding
Question 2
Which welding process uses a shielding gas to protect the weld from atmospheric contamination?
A
Flux-cored arc welding (FCAW)
B
Submerged arc welding (SAW)
C
Gas tungsten arc welding (GTAW)
D
Gas metal arc welding (GMAW)
Question 3
In welding, what does the acronym "GTAW" stand for?
A
Gas Tungsten Arc Welding
B
Gas Metal Arc Welding
C
Shielded Metal Arc Welding
D
Flux-Cored Arc Welding
Question 4
Which type of joint is commonly used for welding two pieces of metal edge to edge?
A
Lap joint
B
Butt joint
C
Corner joint
D
Tee join
Question 5
What is the purpose of a welder's helmet during the welding process?
A
Provide comfort to the welder
B
Protect the welder's eyes from UV radiation
C
Hold welding tools
D
Enhance visibility of the weld
Question 6
Which welding position involves welding on the upper side of a horizontal surface? 
A
Flat position
B
Horizontal position
C
Vertical position
D
Overhead position
Question 7
What is the primary function of a welding electrode?
A
Provide electrical power
B
Generate heat
C
Act as a filler material
D
Control the welding current
Question 8
Which welding process is known for its precision and is commonly used for thin materials?
A
Stick welding
B
TIG welding
C
MIG welding
D
Flux-cored arc welding
Question 9
What does the term "root pass" refer to in welding?
A
The initial weld pass in a joint
B
The final weld pass in a joint
C
A type of welding electrode
D
The welding position used for overhead welding
Question 10
In welding, what does the acronym "AWS" stand for?
A
American Welding Society
B
Advanced Welding System
C
Automated Welding Service
D
Arc Welding Standards
Question 11
What is the purpose of a welder's ground clamp?
A
Hold the welding electrode
B
Connect the workpiece to the welding machine
C
Shield the welding arc
D
Provide illumination for the welder
Question 12
Which type of welding defect is characterized by a crack in the welded metal?
A
Porosity
B
Undercut
C
Inclusion
D
Crack
Question 13
What is the recommended safety gear for a welder to protect their hands from heat and sparks?
A
Leather gloves
B
Latex gloves
C
Cloth gloves
D
Rubber gloves
Question 14
Which welding process uses a consumable electrode and is known for high deposition rates?
A
TIG welding
B
Stick welding
C
Flux-cored arc welding
D
Gas metal arc welding
Question 15
What is the purpose of preheating the base metal before welding?
A
Improve weld penetration
B
Reduce the need for shielding gas
C
Increase welding speed
D
Enhance weld appearance
Question 16
What is the function of flux in the welding process?
A
Act as a filler material
B
Protect the weld from atmospheric contamination
C
Generate heat
D
Enhance arc stability
Question 17
What does the term "welding position" refer to?
A
The physical location of the welding machine
B
The orientation of the joint being welded
C
The size of the welding electrode
D
The type of shielding gas used
Question 18
What type of welding is often used for joining non-ferrous metals like aluminum?
A
Stick welding
B
MIG welding
C
TIG welding
D
Gas welding
Question 19
Which gas is commonly used as a shielding gas in TIG welding?
A
Oxygen
B
Argon
C
Acetylene
D
Carbon dioxide
Question 20
What is the purpose of a welder's chipping hammer?
A
Remove slag from the weld
B
Create a smoother weld bead
C
Control the welding arc
D
Shape the welding electrode
Question 21
In welding, what does the term "duty cycle" refer to?
A
The lifespan of a welding machine
B
The time a welding machine can be operated within a specific time frame
C
The electrical current used for welding
D
The speed of the welding process
Question 22
What is the purpose of a welding flux?
A
Improve weld appearance
B
Provide electrical conductivity
C
Shield the weld from atmospheric contamination
D
Act as a filler material
Question 23
Which type of joint is commonly used for welding two pieces of metal at a 90-degree angle?
A
Lap joint
B
Butt joint
C
Corner joint
D
Tee joint
Question 24
What does the term "arc blow" refer to in welding?
A
The displacement of the welding arc due to magnetic forces
B
Excessive heat generated during welding
C
A type of welding defect
D
Inadequate shielding gas coverage
Question 25
Which welding process is known for its versatility and is commonly used for welding a variety of metals and thicknesses?
A
Stick welding
B
TIG welding
C
MIG welding
D
Flux-cored arc welding
Question 26
What is the purpose of a welding filler metal?
A
Act as a consumable electrode
B
Shield the welding arc
C
Remove impurities from the base metal
D
Fill the gap between the joint being welded
Question 27
What safety precaution should be taken to protect against welding fumes?
A
Wear a respirator with appropriate filters
B
Increase welding current
C
Weld in a confined space
D
Remove ventilation in the welding area
Question 28
What is the purpose of back purging in TIG welding?
A
Improve weld penetration
B
Enhance shielding gas coverage
C
Reduce heat input
D
Prevent oxidation on the backside of the weld
Question 29
What is the primary advantage of using a pulsed welding technique?
A
Higher deposition rates
B
Reduced heat input
C
Easier control of the welding arc
D
Greater penetratio
Question 30
Which welding defect is characterized by a visible line along the length of the weld?
A
Porosity
B
Undercut
C
Inclusion
D
Lack of fusion
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There are 30 questions to complete.

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