1/28/25, 8:17 PM CWB 2 ALL MODULES EXAM | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION Flashcards | Qu…
CWB 2 ALL MODULES EXAM | ALL QUESTIONS
AND CORRECT ANSWERS | GRADED A+ | LATEST
VERSION
Save
Terms in this set (88)
A Plasma is: A) A gas made up of positive ions and free electrons
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
To increase melting rate C) DCEN
(burn-off rate) in the
shielded metal arc
welding (SMAW) process,
which polarity should be
used?
A) DCEP
B) ACEP
C) DCEN
D) ACEP
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 1/39
,1/28/25, 8:17 PM CWB 2 ALL MODULES EXAM | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION Flashcards | Qu…
Which type of welding A) Constant Current
power source is used for
the SMAW process?
A) Constant Current
B) Constant Voltage
C) Pulsed Current
D) Pulsed Voltage
The purpose of a C) Nearly constant current regardless of voltage
drooping welding power fluctuations
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
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 2/39
,1/28/25, 8:17 PM CWB 2 ALL MODULES EXAM | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION Flashcards | Qu…
A self-regulating welding D) Constant voltage power source with a constant
arc is produced by a: speed wire feed system
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
Short circuit current is B) Static characteristic of the power source
determined by the:
A) Voltage in the circuit
B) Static characteristic of
the power source
C) Position of welding
D) Skill of the welder
A Transformer is a device C) Changes the value of an AC voltage but does not
that: change the frequency
A) Transforms AC to DC
B) Works only to change a
DC voltage
C) Changes the value of
an AC voltage but does
not change the frequency
D) Is made from a
semiconductor
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 3/39
, 1/28/25, 8:17 PM CWB 2 ALL MODULES EXAM | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION Flashcards | Qu…
A Rectifier is a device that D) AC current to DC current
converts:
A) DC current to AC
current
B) AC Current to a high
value DC current
C) DC current to a high
value DC current
D) AC current to DC
current
Microprocessor controls D) All of the above
are used in the more
modern welding power
sources to:
A) Provide more
sophisticated levels of
control for the welding
system
B) Allow welding variables
to be stored for use later
C) Provide feedback
control
D) All of the above
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 4/39
CWB 2 ALL MODULES EXAM | ALL QUESTIONS
AND CORRECT ANSWERS | GRADED A+ | LATEST
VERSION
Save
Terms in this set (88)
A Plasma is: A) A gas made up of positive ions and free electrons
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
To increase melting rate C) DCEN
(burn-off rate) in the
shielded metal arc
welding (SMAW) process,
which polarity should be
used?
A) DCEP
B) ACEP
C) DCEN
D) ACEP
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 1/39
,1/28/25, 8:17 PM CWB 2 ALL MODULES EXAM | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION Flashcards | Qu…
Which type of welding A) Constant Current
power source is used for
the SMAW process?
A) Constant Current
B) Constant Voltage
C) Pulsed Current
D) Pulsed Voltage
The purpose of a C) Nearly constant current regardless of voltage
drooping welding power fluctuations
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
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 2/39
,1/28/25, 8:17 PM CWB 2 ALL MODULES EXAM | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION Flashcards | Qu…
A self-regulating welding D) Constant voltage power source with a constant
arc is produced by a: speed wire feed system
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
Short circuit current is B) Static characteristic of the power source
determined by the:
A) Voltage in the circuit
B) Static characteristic of
the power source
C) Position of welding
D) Skill of the welder
A Transformer is a device C) Changes the value of an AC voltage but does not
that: change the frequency
A) Transforms AC to DC
B) Works only to change a
DC voltage
C) Changes the value of
an AC voltage but does
not change the frequency
D) Is made from a
semiconductor
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 3/39
, 1/28/25, 8:17 PM CWB 2 ALL MODULES EXAM | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION Flashcards | Qu…
A Rectifier is a device that D) AC current to DC current
converts:
A) DC current to AC
current
B) AC Current to a high
value DC current
C) DC current to a high
value DC current
D) AC current to DC
current
Microprocessor controls D) All of the above
are used in the more
modern welding power
sources to:
A) Provide more
sophisticated levels of
control for the welding
system
B) Allow welding variables
to be stored for use later
C) Provide feedback
control
D) All of the above
https://quizlet.com/998422541/cwb-2-all-modules-exam-all-questions-and-correct-answers-graded-a-latest-version-flash-cards/?new 4/39
