CWB 2 ALL MODULES EXAM(ACTUAL
EXAM) WITH CORRECT QUESTIONS AND
ANSWERS LATEST 2024 – 2025 GOOD
SCORE IS GUARANTEED GRADE A+
Which of the following processes produce the most of the worlds steel?
A) Electric furnace
B) Blast furnace
C) Open hearth furnace
D) Basic oxygen furnace
E) None of the above - ANSWERS-D) Basic oxygen furnace
At what point does the carbon content indicate that the material is no
longer steel but cast iron?
,A) Beyond 1.7%
B) Beyond 17%
C) Beyond 7.1%
D) Beyond 0.71%
E) Beyond 0.17% - ANSWERS-A) Beyond 1.7%
Which type of welding power source is used for the SMAW process?
A) Constant Current
B) Constant Voltage
C) Pulsed Current
D) Pulsed Voltage - ANSWERS-A) Constant Current
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
,B) Low open circuit voltage - ANSWERS-C) Nearly constant current
regardless of voltage fluctuations
A Plasma is:
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 - ANSWERS-A) A gas made up
of positive ions and free electrons
To increase melting rate (burn-off rate) in the shielded metal arc
welding (SMAW) process, which polarity should be used?
A) DCEP
B) ACEP
C) DCEN
D) ACEP - ANSWERS-C) DCEN
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 - ANSWERS-D) Constant voltage power source with a constant
speed wire feed system
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 - ANSWERS-B) Static characteristic of the power
source
A Transformer is a device that:
A) Transforms AC to DC
B) Works only to change a DC voltage
EXAM) WITH CORRECT QUESTIONS AND
ANSWERS LATEST 2024 – 2025 GOOD
SCORE IS GUARANTEED GRADE A+
Which of the following processes produce the most of the worlds steel?
A) Electric furnace
B) Blast furnace
C) Open hearth furnace
D) Basic oxygen furnace
E) None of the above - ANSWERS-D) Basic oxygen furnace
At what point does the carbon content indicate that the material is no
longer steel but cast iron?
,A) Beyond 1.7%
B) Beyond 17%
C) Beyond 7.1%
D) Beyond 0.71%
E) Beyond 0.17% - ANSWERS-A) Beyond 1.7%
Which type of welding power source is used for the SMAW process?
A) Constant Current
B) Constant Voltage
C) Pulsed Current
D) Pulsed Voltage - ANSWERS-A) Constant Current
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
,B) Low open circuit voltage - ANSWERS-C) Nearly constant current
regardless of voltage fluctuations
A Plasma is:
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 - ANSWERS-A) A gas made up
of positive ions and free electrons
To increase melting rate (burn-off rate) in the shielded metal arc
welding (SMAW) process, which polarity should be used?
A) DCEP
B) ACEP
C) DCEN
D) ACEP - ANSWERS-C) DCEN
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 - ANSWERS-D) Constant voltage power source with a constant
speed wire feed system
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 - ANSWERS-B) Static characteristic of the power
source
A Transformer is a device that:
A) Transforms AC to DC
B) Works only to change a DC voltage
