CWB
LEVEL 1
CERTIFICATION
Welding Processes and Equipment
Exam Questions and Answers
Complete Study Guide with All Options & Answers
CWB Level 1 Certification Preparation | Welding Processes & Equipment
,MCAW — Metal-Cored Arc Welding
MCAW uses a ________ push (forehand) technique for optimal bead shape and
1 Multiple Choice
appearance.
✓ A) 10 to 20 degrees ← ANSWER
B) 20 to 30 degrees
C) 5 to 15 degrees
D) 15 to 30 degrees
In MCAW, the burning of the wire is cleaner and more stable due to the deoxidizers
2 Multiple Choice
and arc stabilizers added to the flux.
A) faster and higher in deposition rates.
B) unstable and undesirable.
C) hotter and unpredictable.
✓ D) cleaner and more stable. ← ANSWER CWB
LEVEL 1
3 MCAW is primarily used for production welding of low-carbon steel.
CERTIFICATION True/False
Answer: True
4 The drawback of MCAW when used in production is its: Multiple Choice
Welding Processes and Equipment
✓ A) high heat input. ← ANSWER
Exam Questions and Answers
B) higher associated costs.
C) difficult post-weld cleanup.
Complete Study Guide with All Options & Answers
D) low deposition rates.
5 In MCAW, a mixture of 80% Ar or more is needed to achieve spray transfer. True/False
Answer: True
6 The CSA W48 standard classes metal-cored wires along with: Multiple Choice
A) GMAW wires.
B) GTAW filler wires.
C) SAW wires.
✓ D) FCAW wires. ← ANSWER
7 The only welding processes that do NOT leave slag are GTAW and MCAW. True/False
Answer: True. GTAW and MCAW are the only processes without a slag system.
CWBelectrode
In FCAW and MCAW Level 1 Certification
designation,Preparation | Welding
the letter Processes
C indicates & Equipment
what? Multiple Choice
8
, CWB LEVEL 1 — Welding Processes and Equipment Page 3
A) Flux cored, indicating FCAW.
✓ B) Cored wire, indicating MCAW. ← ANSWER
C) Constant current process.
D) Carbon content designation.
SMAW — Shielded Metal Arc Welding
9 The function of the ingredients in the electrode coating of SMAW electrodes is to: Multiple Choice
✓ A) provide a gas shield, slag covering, arc stabilization, and add additional alloying elements. ← ANSWER
B) react with the base metal to assist in the weld fusion.
C) remove rust, mill scale, and other contaminants from the surface of the joint.
D) counteract the effects of arc blow.
10 Which of the following does the welder manipulate when using the SMAW processes? Multiple Choice
A) The temperature of the arc, the gas mixture, and the size of flux granules.
✓ B) The current setting, the speed of travel, the arc length, and the electrode angle. ← ANSWER
C) The current setting, the temperature of the arc, the arc length, and the electrode angle.
D) The voltage setting, the speed of travel, the arc length, and the electrode angle.
11 How many times may low-hydrogen SMAW electrodes be rebaked? Multiple Choice
✓ A) One time. ← ANSWER
B) Two times.
C) Three times.
D) Four times.
12 The components of the SMAW system are: Multiple Choice
A) CV power supply, welding gun, ground cable, and external shielding gas.
B) CV power supply, welding gun, and ground cable.
✓ C) CC power supply, electrode holder, and ground cable. ← ANSWER
D) CC power supply, electrode holder, ground cable, and external shielding gas.
CWB Level 1 — Welding Processes & Equipment Exam Q&A
LEVEL 1
CERTIFICATION
Welding Processes and Equipment
Exam Questions and Answers
Complete Study Guide with All Options & Answers
CWB Level 1 Certification Preparation | Welding Processes & Equipment
,MCAW — Metal-Cored Arc Welding
MCAW uses a ________ push (forehand) technique for optimal bead shape and
1 Multiple Choice
appearance.
✓ A) 10 to 20 degrees ← ANSWER
B) 20 to 30 degrees
C) 5 to 15 degrees
D) 15 to 30 degrees
In MCAW, the burning of the wire is cleaner and more stable due to the deoxidizers
2 Multiple Choice
and arc stabilizers added to the flux.
A) faster and higher in deposition rates.
B) unstable and undesirable.
C) hotter and unpredictable.
✓ D) cleaner and more stable. ← ANSWER CWB
LEVEL 1
3 MCAW is primarily used for production welding of low-carbon steel.
CERTIFICATION True/False
Answer: True
4 The drawback of MCAW when used in production is its: Multiple Choice
Welding Processes and Equipment
✓ A) high heat input. ← ANSWER
Exam Questions and Answers
B) higher associated costs.
C) difficult post-weld cleanup.
Complete Study Guide with All Options & Answers
D) low deposition rates.
5 In MCAW, a mixture of 80% Ar or more is needed to achieve spray transfer. True/False
Answer: True
6 The CSA W48 standard classes metal-cored wires along with: Multiple Choice
A) GMAW wires.
B) GTAW filler wires.
C) SAW wires.
✓ D) FCAW wires. ← ANSWER
7 The only welding processes that do NOT leave slag are GTAW and MCAW. True/False
Answer: True. GTAW and MCAW are the only processes without a slag system.
CWBelectrode
In FCAW and MCAW Level 1 Certification
designation,Preparation | Welding
the letter Processes
C indicates & Equipment
what? Multiple Choice
8
, CWB LEVEL 1 — Welding Processes and Equipment Page 3
A) Flux cored, indicating FCAW.
✓ B) Cored wire, indicating MCAW. ← ANSWER
C) Constant current process.
D) Carbon content designation.
SMAW — Shielded Metal Arc Welding
9 The function of the ingredients in the electrode coating of SMAW electrodes is to: Multiple Choice
✓ A) provide a gas shield, slag covering, arc stabilization, and add additional alloying elements. ← ANSWER
B) react with the base metal to assist in the weld fusion.
C) remove rust, mill scale, and other contaminants from the surface of the joint.
D) counteract the effects of arc blow.
10 Which of the following does the welder manipulate when using the SMAW processes? Multiple Choice
A) The temperature of the arc, the gas mixture, and the size of flux granules.
✓ B) The current setting, the speed of travel, the arc length, and the electrode angle. ← ANSWER
C) The current setting, the temperature of the arc, the arc length, and the electrode angle.
D) The voltage setting, the speed of travel, the arc length, and the electrode angle.
11 How many times may low-hydrogen SMAW electrodes be rebaked? Multiple Choice
✓ A) One time. ← ANSWER
B) Two times.
C) Three times.
D) Four times.
12 The components of the SMAW system are: Multiple Choice
A) CV power supply, welding gun, ground cable, and external shielding gas.
B) CV power supply, welding gun, and ground cable.
✓ C) CC power supply, electrode holder, and ground cable. ← ANSWER
D) CC power supply, electrode holder, ground cable, and external shielding gas.
CWB Level 1 — Welding Processes & Equipment Exam Q&A