CWB 2 VISUAL WELD INSPECTOR EXAM
2025 LATEST WITH STUDY GUIDE
QUESTIONS AND ANSWERS, A GRADE
Exam Exercise
To increase melting rate (burn-off rate) in the shield metal arc welding (SMAW)
process, which polarity should be used?
a) DC electrode positive
b)AC electrode negative
c) DC electrode negative
d) AC electrode positive - ANSWER c) DC electrode negative
Exam Exercise
Which type of welding power source is used for the SMAW process?
a) constant current
b) constant voltage
,c) pulsed current
d) pulsed voltage - ANSWER a) constant current
Exam Exercise
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
d) low open circuit voltage - ANSWER c) nearly constant current regardless of
voltage fluctuations
Exam Exercise
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 -
ANSWER d) constant voltage power source with a constant speed wire feed
system
Exam Exercise
Short circuit current is determined by the:
a) voltage in the circuit
b) static characteristic of the power source
c) position of welding
d) skill of the welder - ANSWER b) static characteristic of the power source
Exam Exercise
A transformer is a device that :
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 - ANSWER c) changes the value of an AC voltage
but does not change the frequency
Exam Exercise
A rectifier is a device that converts:
a) DC current to AC current
b) AC current to AC current of higher frequency
c) DC current to a high value DC current
d) AC current to DC current - ANSWER d) AC current to DC current
Exam Exercise
Microprocessor controls 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 - ANSWER d) All of the above
2025 LATEST WITH STUDY GUIDE
QUESTIONS AND ANSWERS, A GRADE
Exam Exercise
To increase melting rate (burn-off rate) in the shield metal arc welding (SMAW)
process, which polarity should be used?
a) DC electrode positive
b)AC electrode negative
c) DC electrode negative
d) AC electrode positive - ANSWER c) DC electrode negative
Exam Exercise
Which type of welding power source is used for the SMAW process?
a) constant current
b) constant voltage
,c) pulsed current
d) pulsed voltage - ANSWER a) constant current
Exam Exercise
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
d) low open circuit voltage - ANSWER c) nearly constant current regardless of
voltage fluctuations
Exam Exercise
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 -
ANSWER d) constant voltage power source with a constant speed wire feed
system
Exam Exercise
Short circuit current is determined by the:
a) voltage in the circuit
b) static characteristic of the power source
c) position of welding
d) skill of the welder - ANSWER b) static characteristic of the power source
Exam Exercise
A transformer is a device that :
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 - ANSWER c) changes the value of an AC voltage
but does not change the frequency
Exam Exercise
A rectifier is a device that converts:
a) DC current to AC current
b) AC current to AC current of higher frequency
c) DC current to a high value DC current
d) AC current to DC current - ANSWER d) AC current to DC current
Exam Exercise
Microprocessor controls 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 - ANSWER d) All of the above
