CWB Level 2 Study Questions rev 1 EXAM 2023 with all the correct answers(Actual test 100% verified)
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Course
CWB Level 2 Study
Institution
CWB Level 2 Study
CWB Level 2 Study Questions rev 1 EXAM 2023 with
all the correct answers(Actual test 100% verified)
Guide Question - Section 2
"Electric current is readily conducted in metals (low resistance) because of the
many free electrons"
True or false - CORRECT ANSWER True
Guide Question - Section...
CWB Level 2 Study Questions rev 1 EXAM 2023 with
all the correct answers(Actual test 100% verified)
Guide Question - Section 2
"Electric current is readily conducted in metals (low resistance) because of the
many free electrons"
True or false - CORRECT ANSWER True
Guide Question - Section 2
"Conventional current flow is from negative to positive"
True or False - CORRECT ANSWER False
Guide Question - Section 2
Materials that have a high resistance to current flow are called:
a) Semi conductors
b) conductors
c) insulators - CORRECT ANSWER c) insulators
Guide Question - Section 2
"A gas can only conduct electricity when the gas has been ionized (a plasma has
formed)"
True or False - CORRECT ANSWER True
,Guide Question - Section 2
The 3 major components of a welding arc are:
a) anode, cathode and plasma
b) nozzle, gas and electrode
c) work piece, gas and weld metal - CORRECT ANSWER a) anode, cathode and
plasma
Guide Question - Section 2
Transformer-based welding power sources are typically connected to:
a) engine driven generator
b) utility supply power - CORRECT ANSWER b) utility supply power
Guide Question - Section 2
"To initiate an arc required high current and low voltage power
,True or False - CORRECT ANSWER False
Guide Question - Section 2
For a consumable electrode welding process the majority of the heat in DCEN
polarity is concentrated on the:
a) electrode
b) workpiece - CORRECT ANSWER a) electrode
Guide Question - Section 2
For a non-consumable electrode welding process the majority of the heat in
DCEN polarity is concentrated on the:
a) electrode
b) workpiece - CORRECT ANSWER b) workpiece
Guide Question - Section 2
"Ohm's law applies to a welding arc since current increases as voltage increases"
True or False - CORRECT ANSWER False
Guide Question - Section 2
, The shielded metal arc welding process requires a power source that produces
constant
a) voltage
b) current - CORRECT ANSWER b) current
Guide Question - Section 2
The voltage drop across the arc region includes:
a) contact tip, welding cables and work clamp
b) anode, cathode, and plasma
c) electrode coating, electrode holder and electrode - CORRECT ANSWER b)
anode, cathode, and plasma
Guide Question - Section 2
"In a series circuit current may be accurately measured at any point because
there is only a single path for current to flow
True or False - CORRECT ANSWER True
Guide questions - Section 2 and 3
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