COMPLETE CWB LEVEL 2 EXAM SET –
MODULES 1 TO FINAL EXAMS QUESTIONS
WITH 100% ACCURATE ANSWERS
CWB
STUDYGLOBAL 5/7/25 CWB
,Here's a concise and focused study guide for the CWB Level 2 – All Module Exams, ideal for welding
inspectors preparing for CSA W178.2 certification:
CWB Level 2 Study Guide – All Modules
🔹 Module 1: Health & Safety
Review PPE, fire hazards, electrical safety, confined spaces, and lockout/tagout procedures.
Understand emergency response protocols and proper handling of welding gases and
equipment.
🔹 Module 2: Welding Processes & Metallurgy
Study SMAW, GMAW, FCAW, GTAW processes, and their applications.
Understand heat-affected zones, welding defects, and basic metallurgy (grain structure,
hardening, etc.).
🔹 Module 3: Welding Symbols & Blueprints
Learn to read AWS and ISO welding symbols.
Practice interpreting drawings, joint types, and dimensioning.
🔹 Module 4: Welding Procedures & Codes
Review WPS (Welding Procedure Specifications), PQRs (Procedure Qualification Records), and
WPQs.
Know how to apply CSA W47.1, W59, and other key code requirements.
🔹 Module 5: Inspection Methods
Understand NDT techniques: VT, PT, MT, RT, and UT.
Learn weld acceptance criteria and defect classification.
🔹 Module 6: Roles & Responsibilities
Review the responsibilities of welding inspectors, supervisors, engineers, and companies under
CSA W178.2.
Study ethics, documentation, and report writing.
✅ Tips for Success
Focus on code-free comprehension for the closed-book sections.
Use practice questions after each module to reinforce understanding.
Create flashcards for key terms, symbols, and procedures.
CWB Level 2 – All Module Exam Practice Questions
Introduction:
This set of practice questions is designed to help you prepare for the CWB Level 2 Welding Inspector
Certification exam, based on the CSA W178.2 standard. Covering all core modules—including health and
safety, welding processes, symbols, inspection methods, and applicable codes—these questions test
your theoretical understanding and ability to apply knowledge in real-world scenarios.
, Use these questions to reinforce key concepts, identify areas for improvement, and build confidence
ahead of the official exam.
QUESTIONS:
A Plasma is:
A) A gas made up of positive ions and free electrons
B) A liquid used to reduce adherence of spatter
C) The main component in an inverter power source
D) Always present in an electrical circuit - Accurate answers A) A gas made up of positive ions and
free electrons
To increase melting rate (burn-off rate) in the shielded metal arc welding (SMAW) process, which
polarity should be used?
A) DCEP
B) ACEP
C) DCEN
D) ACEP - Accurate answers C) DCEN
Which type of welding power source is used for the SMAW process?
A) Constant Current
B) Constant Voltage
C) Pulsed Current
D) Pulsed Voltage - Accurate answers A) Constant Current
The purpose of a drooping welding power source is to produce:
A) Constant voltage regardless of the current demand
B) Constant arc length regardless of current
C) Nearly constant current regardless of voltage fluctuations
B) Low open circuit voltage - Accurate answers C) Nearly constant current regardless of voltage
fluctuations
A self-regulating welding arc is produced by a:
A) Constant current power source with a constant speed wire feed system
B) Constant voltage power source with a voltage sensing wire feed system
C) Constant current power source
D) Constant voltage power source with a constant speed wire feed system - Accurate answers D)
Constant voltage power source with a constant speed wire feed system
Short circuit current is determined by the:
A) Voltage in the circuit
B) Static characteristic of the power source
MODULES 1 TO FINAL EXAMS QUESTIONS
WITH 100% ACCURATE ANSWERS
CWB
STUDYGLOBAL 5/7/25 CWB
,Here's a concise and focused study guide for the CWB Level 2 – All Module Exams, ideal for welding
inspectors preparing for CSA W178.2 certification:
CWB Level 2 Study Guide – All Modules
🔹 Module 1: Health & Safety
Review PPE, fire hazards, electrical safety, confined spaces, and lockout/tagout procedures.
Understand emergency response protocols and proper handling of welding gases and
equipment.
🔹 Module 2: Welding Processes & Metallurgy
Study SMAW, GMAW, FCAW, GTAW processes, and their applications.
Understand heat-affected zones, welding defects, and basic metallurgy (grain structure,
hardening, etc.).
🔹 Module 3: Welding Symbols & Blueprints
Learn to read AWS and ISO welding symbols.
Practice interpreting drawings, joint types, and dimensioning.
🔹 Module 4: Welding Procedures & Codes
Review WPS (Welding Procedure Specifications), PQRs (Procedure Qualification Records), and
WPQs.
Know how to apply CSA W47.1, W59, and other key code requirements.
🔹 Module 5: Inspection Methods
Understand NDT techniques: VT, PT, MT, RT, and UT.
Learn weld acceptance criteria and defect classification.
🔹 Module 6: Roles & Responsibilities
Review the responsibilities of welding inspectors, supervisors, engineers, and companies under
CSA W178.2.
Study ethics, documentation, and report writing.
✅ Tips for Success
Focus on code-free comprehension for the closed-book sections.
Use practice questions after each module to reinforce understanding.
Create flashcards for key terms, symbols, and procedures.
CWB Level 2 – All Module Exam Practice Questions
Introduction:
This set of practice questions is designed to help you prepare for the CWB Level 2 Welding Inspector
Certification exam, based on the CSA W178.2 standard. Covering all core modules—including health and
safety, welding processes, symbols, inspection methods, and applicable codes—these questions test
your theoretical understanding and ability to apply knowledge in real-world scenarios.
, Use these questions to reinforce key concepts, identify areas for improvement, and build confidence
ahead of the official exam.
QUESTIONS:
A Plasma is:
A) A gas made up of positive ions and free electrons
B) A liquid used to reduce adherence of spatter
C) The main component in an inverter power source
D) Always present in an electrical circuit - Accurate answers A) A gas made up of positive ions and
free electrons
To increase melting rate (burn-off rate) in the shielded metal arc welding (SMAW) process, which
polarity should be used?
A) DCEP
B) ACEP
C) DCEN
D) ACEP - Accurate answers C) DCEN
Which type of welding power source is used for the SMAW process?
A) Constant Current
B) Constant Voltage
C) Pulsed Current
D) Pulsed Voltage - Accurate answers A) Constant Current
The purpose of a drooping welding power source is to produce:
A) Constant voltage regardless of the current demand
B) Constant arc length regardless of current
C) Nearly constant current regardless of voltage fluctuations
B) Low open circuit voltage - Accurate answers C) Nearly constant current regardless of voltage
fluctuations
A self-regulating welding arc is produced by a:
A) Constant current power source with a constant speed wire feed system
B) Constant voltage power source with a voltage sensing wire feed system
C) Constant current power source
D) Constant voltage power source with a constant speed wire feed system - Accurate answers D)
Constant voltage power source with a constant speed wire feed system
Short circuit current is determined by the:
A) Voltage in the circuit
B) Static characteristic of the power source
