NCCER Ironworker Final Exam Questions
with verified Answers Graded A+ 2025
what are the end supports for a beam bridge called? --- correct
answer ---abutments
SMAW uses which of the following electrode polarities? --- correct
answer ---all of the above
All arc-welding processes require a continuous supply of electrical
current. What type of current can be used for SMAW? --- correct
answer ---AC or DC
What type of power source yields a small welding current change
when there is a large arc voltage change? --- correct answer ---
constant current power source.
the majority of SMAW welding is done using direct current
electrode positive (DCEP). This is also known as______. --- correct
answer ---reverse polarity
Arc length can be defined as the distance from the end of the
electrode to the______. --- correct answer ---work piece
The electrode assembly for a specific welding application is
selected based on the______being used to weld. --- correct answer -
--amperage
, If a cable that is too small in diameter is used for a welding
application, then what could be the result? --- correct answer ---
heat up and could cause a fire
There are 4 main groups of electrodes. These include fast-freeze,
fast-fill, fill-freeze and low______. --- correct answer ---hydrogen
An electrode is classified as E7024. What does the 2 stand for? ---
correct answer ---flat and horizontal
An electrode is classified as E6010. What does the 60 stand for? ---
correct answer ---tensile strength
Which of the following is the first step to follow when choosing a
SMAW electrode for a specific welding application? --- correct
answer ---select the required tensile strength
What can be the result of low hydrogen rods picking up moisture in
the coating? --- correct answer ---hydrogen-induced cracking of the
weld.
What SMAW technique is used to force the arc to stay ahead of the
puddle? --- correct answer ---drag angle
In figure 8.1, the A is the______angle and B is the______angle. ---
correct answer ---travel, work
with verified Answers Graded A+ 2025
what are the end supports for a beam bridge called? --- correct
answer ---abutments
SMAW uses which of the following electrode polarities? --- correct
answer ---all of the above
All arc-welding processes require a continuous supply of electrical
current. What type of current can be used for SMAW? --- correct
answer ---AC or DC
What type of power source yields a small welding current change
when there is a large arc voltage change? --- correct answer ---
constant current power source.
the majority of SMAW welding is done using direct current
electrode positive (DCEP). This is also known as______. --- correct
answer ---reverse polarity
Arc length can be defined as the distance from the end of the
electrode to the______. --- correct answer ---work piece
The electrode assembly for a specific welding application is
selected based on the______being used to weld. --- correct answer -
--amperage
, If a cable that is too small in diameter is used for a welding
application, then what could be the result? --- correct answer ---
heat up and could cause a fire
There are 4 main groups of electrodes. These include fast-freeze,
fast-fill, fill-freeze and low______. --- correct answer ---hydrogen
An electrode is classified as E7024. What does the 2 stand for? ---
correct answer ---flat and horizontal
An electrode is classified as E6010. What does the 60 stand for? ---
correct answer ---tensile strength
Which of the following is the first step to follow when choosing a
SMAW electrode for a specific welding application? --- correct
answer ---select the required tensile strength
What can be the result of low hydrogen rods picking up moisture in
the coating? --- correct answer ---hydrogen-induced cracking of the
weld.
What SMAW technique is used to force the arc to stay ahead of the
puddle? --- correct answer ---drag angle
In figure 8.1, the A is the______angle and B is the______angle. ---
correct answer ---travel, work
