CWB LEVEL 2 CLOSED BOOK EXAM
2025 |GUARANTEED ACCURATE
ANSWERS
An arc plasma consists of - Accurate Answers✔✔✔ free electrons and
positive ions.
Which of the following welding processes is the most commonly used? -
Accurate Answers✔✔✔ Arc Welding.
The most arc efficient welding process is the _______ process. -
Accurate Answers✔✔✔ SAW.
Which two areas represent the largest voltage drop in a welding arc? -
Accurate Answers✔✔✔ Cathode drop zone and Anode drop zone
The pinch force that aids in droplet detachment during spray transfer is
produced by - Accurate Answers✔✔✔ 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 - Accurate Answers✔✔✔ B. GTAW
,he majority of the arc energy is transferred to the work when the GTAW
process is operated inpolarity.
a. AC
b. DCEP
c. DCEN - Accurate Answers✔✔✔ 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 - Accurate Answers✔✔✔ c. Steel Wool
he highest deposition rate in the SMAW process occurs in
a. DCEN
b. DCEP
c. AC
d. AC unbalanced - Accurate Answers✔✔✔ 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 -
Accurate Answers✔✔✔ 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 - Accurate Answers✔✔✔ A.
Provide gas shielding, provide slag cover, scavenge impurities, stabilize
the arc and adding alloy elements
The electrodes represented by EXX15, EXX16, and EXX18 have
_________as a major ingredient in the coating.
a. limestone
b. cellulose
c. titania - Accurate Answers✔✔✔ a.limestone
The GMAW, FCAW and MCAW processes have these features in
common.
a. Constant current power source and constant speed wire feeder
b. Constant voltage power source and constant speed wire feeder
, c. Constant current power source and variable speed wire feeder
d. Constant voltage power source and variable speed wire feeder -
Accurate Answers✔✔✔ b. Constant voltage power source and constant
speed wire feeder
The welding current in the GMAW process is determined by which of
the following variables?
a. Wire feed speed
b. Voltage
c. Contact tube to work distance
d. Arc travel speed - Accurate Answers✔✔✔ a. Wire feed speed
What are the two power source variables that can be used to control
spatter in GMAW short circuit transfer.
a. Voltage and current
b. Input voltage and number of phases
c. Arc force and static characteristic
d. Inductance and static characteristic - Accurate Answers✔✔✔ d.
inductance and static characteristic
Which of the GMAW metal transfer modes can be used to weld out of
position?
a. Globular and spray
b. Short circuit and pulsed
c. Short circuit and globular
2025 |GUARANTEED ACCURATE
ANSWERS
An arc plasma consists of - Accurate Answers✔✔✔ free electrons and
positive ions.
Which of the following welding processes is the most commonly used? -
Accurate Answers✔✔✔ Arc Welding.
The most arc efficient welding process is the _______ process. -
Accurate Answers✔✔✔ SAW.
Which two areas represent the largest voltage drop in a welding arc? -
Accurate Answers✔✔✔ Cathode drop zone and Anode drop zone
The pinch force that aids in droplet detachment during spray transfer is
produced by - Accurate Answers✔✔✔ 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 - Accurate Answers✔✔✔ B. GTAW
,he majority of the arc energy is transferred to the work when the GTAW
process is operated inpolarity.
a. AC
b. DCEP
c. DCEN - Accurate Answers✔✔✔ 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 - Accurate Answers✔✔✔ c. Steel Wool
he highest deposition rate in the SMAW process occurs in
a. DCEN
b. DCEP
c. AC
d. AC unbalanced - Accurate Answers✔✔✔ 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 -
Accurate Answers✔✔✔ 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 - Accurate Answers✔✔✔ A.
Provide gas shielding, provide slag cover, scavenge impurities, stabilize
the arc and adding alloy elements
The electrodes represented by EXX15, EXX16, and EXX18 have
_________as a major ingredient in the coating.
a. limestone
b. cellulose
c. titania - Accurate Answers✔✔✔ a.limestone
The GMAW, FCAW and MCAW processes have these features in
common.
a. Constant current power source and constant speed wire feeder
b. Constant voltage power source and constant speed wire feeder
, c. Constant current power source and variable speed wire feeder
d. Constant voltage power source and variable speed wire feeder -
Accurate Answers✔✔✔ b. Constant voltage power source and constant
speed wire feeder
The welding current in the GMAW process is determined by which of
the following variables?
a. Wire feed speed
b. Voltage
c. Contact tube to work distance
d. Arc travel speed - Accurate Answers✔✔✔ a. Wire feed speed
What are the two power source variables that can be used to control
spatter in GMAW short circuit transfer.
a. Voltage and current
b. Input voltage and number of phases
c. Arc force and static characteristic
d. Inductance and static characteristic - Accurate Answers✔✔✔ d.
inductance and static characteristic
Which of the GMAW metal transfer modes can be used to weld out of
position?
a. Globular and spray
b. Short circuit and pulsed
c. Short circuit and globular
