CWB Level II – Chapter 1: Welding
Processes and Equipment (Complete Guide
2025 REAL EXAM!!!
An arc plasma consists of
a. atoms and gas molecules.
b. free electrons and positive ions.
c. Carbon atoms and hydrogen molecules.
d. light of a fixed wavelength - ANSWER ✔---b. free electrons and positive ions.
Which of the following welding processes is the most commonly used?
a. Resistance Welding
b. Blazing
c. Solid State Welding
d. Arc Welding - ANSWER ✔---d. Arc Welding
,The most arc efficient welding process is the _______ process.
a. GTAW
b. SMAW
c. FCAW
d. SAW - ANSWER ✔---d. SAW
Which two areas represent the largest voltage drop in a welding arc?
a. Electrode extension and Cathode drop zone
b. Electrode extension and Anode drop zone
c. Arc plasma and electrode extension
d. Cathode drop zone and Anode drop zone - ANSWER ✔---d. Cathode drop zone and Anode drop
zone
The pinch force that aids in droplet detachment during spray trANSWERfer is produced by
a. a self—induced magnetic field
b. gravity
c. surface tension
d. the plasma jet - ANSWER ✔---a. a self—induced magnetic field
Which of the following welding processes produces the least hydrogen weld metal content?
a. SMAW
b. GTAW
c. SAW
d. FCAW - ANSWER ✔---b. GTAW
The majority of the arc energy is trANSWERferred to the work when the GTAW process is operated in
what polarity.
a. AC
b. DCEP
, c. DCEN
d. AC unbalanced - ANSWER ✔---c. DCEN
Modern inverter GTAW power sources use all methods for arc starting, except for?
a. Scratch
b. High Frequency
c. Steel Wool
d. Electronic Touch - ANSWER ✔---c. Steel Wool
The highest deposition rate in the SMAW process occurs in
a. DCEN
b. DCEP
c. AC
d. AC unbalanced - ANSWER ✔---a. DCEN
The arc force control in CC welding power sources is used to ___________ in the SMAW process.
a. reduce the penetration of the weld when the arc length is decreased
b. increase the penetration of the weld when the arc length is decreased
c. reduce the penetration of the weld when the arc length is increased
d. increase the penetration of the weld when the arc length is increased - ANSWER ✔---b. increase
the penetration of the weld when the arc length is decreased
The function of the ingredients within the electrode coating of SMAW electrodes is to:
a. provide gas shielding, provide slag cover, scavenge impurities, stabilize the arc and adding alloy
elements
b. aid in the weld metal wetting the base metal
c. reduce arc blow
d. conduct a portion of the arc current - ANSWER ✔---a. provide gas shielding, provide slag cover,
scavenge impurities, stabilize the arc and adding alloy elements
Processes and Equipment (Complete Guide
2025 REAL EXAM!!!
An arc plasma consists of
a. atoms and gas molecules.
b. free electrons and positive ions.
c. Carbon atoms and hydrogen molecules.
d. light of a fixed wavelength - ANSWER ✔---b. free electrons and positive ions.
Which of the following welding processes is the most commonly used?
a. Resistance Welding
b. Blazing
c. Solid State Welding
d. Arc Welding - ANSWER ✔---d. Arc Welding
,The most arc efficient welding process is the _______ process.
a. GTAW
b. SMAW
c. FCAW
d. SAW - ANSWER ✔---d. SAW
Which two areas represent the largest voltage drop in a welding arc?
a. Electrode extension and Cathode drop zone
b. Electrode extension and Anode drop zone
c. Arc plasma and electrode extension
d. Cathode drop zone and Anode drop zone - ANSWER ✔---d. Cathode drop zone and Anode drop
zone
The pinch force that aids in droplet detachment during spray trANSWERfer is produced by
a. a self—induced magnetic field
b. gravity
c. surface tension
d. the plasma jet - ANSWER ✔---a. a self—induced magnetic field
Which of the following welding processes produces the least hydrogen weld metal content?
a. SMAW
b. GTAW
c. SAW
d. FCAW - ANSWER ✔---b. GTAW
The majority of the arc energy is trANSWERferred to the work when the GTAW process is operated in
what polarity.
a. AC
b. DCEP
, c. DCEN
d. AC unbalanced - ANSWER ✔---c. DCEN
Modern inverter GTAW power sources use all methods for arc starting, except for?
a. Scratch
b. High Frequency
c. Steel Wool
d. Electronic Touch - ANSWER ✔---c. Steel Wool
The highest deposition rate in the SMAW process occurs in
a. DCEN
b. DCEP
c. AC
d. AC unbalanced - ANSWER ✔---a. DCEN
The arc force control in CC welding power sources is used to ___________ in the SMAW process.
a. reduce the penetration of the weld when the arc length is decreased
b. increase the penetration of the weld when the arc length is decreased
c. reduce the penetration of the weld when the arc length is increased
d. increase the penetration of the weld when the arc length is increased - ANSWER ✔---b. increase
the penetration of the weld when the arc length is decreased
The function of the ingredients within the electrode coating of SMAW electrodes is to:
a. provide gas shielding, provide slag cover, scavenge impurities, stabilize the arc and adding alloy
elements
b. aid in the weld metal wetting the base metal
c. reduce arc blow
d. conduct a portion of the arc current - ANSWER ✔---a. provide gas shielding, provide slag cover,
scavenge impurities, stabilize the arc and adding alloy elements
