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- 1. Multiple Choice
What wire welder is used in industry as an automatic welder?
AC/DC SMAW
MIG
oxyacetylene
TIG
- 2. Multiple Choice
What welder produces a weld that is stronger and freer of corrosion than that of other welders when welding stainless steel or aluminum?
AC SMAW
DC reverse polarity SMAW
DC straight polarity SMAW
TIG
- 3. Multiple Choice
The proper tool for removing slag from a weld is a:
ball-peen hammer.
chipping hammer.
torch lighter.
wood chisel.
- 4. Multiple Choice
An electric arc welder is used to weld:
fiberglass.
glass.
metal.
wood.
- 5. Multiple Choice
What type of electrode is most commonly used when welding farm projects?
E6011
E6041
E7084
E8015
- 6. Multiple Choice
The two most commonly used general-purpose electrodes for welding projects are:
E6010 and E7028.
E6011 and E6013.
E6020 and E7020.
E6022 and E6027.
- 7. Multiple Choice
The TIG (tungsten inert gas) welding process uses a nonconsumable electrode and:
calcium or lime.
carbon dioxide.
helium or argon.
nitrogen.
- 8. Multiple Choice
What type of welder is best for welding thin steel?
AC
DC
MIG
TIG
- 9. Multiple Choice
When welding a metal project without electrical power available, what type of arc welder should be used?
AC (alternating current)
AC/DC
DC (direct current)
oxyacetylene
- 10. Multiple Choice
An advantage of a DC welder is that it:
can be used without regular power line electricity.
is less expensive than an AC welder.
operates more quietly than an AC welder.
requires regular power line electricity.
- 11. Multiple Choice
Constructing and repairing steel farm equipment by melting and joining the edges of metal pieces are done by using:
arc welders.
drills and bolts.
glue guns.
torch lighters.
- 12. Multiple Choice
What is used to protect the eyes of a welder from the light rays?
electrode flux
safety glasses
welding gloves
welding helmet
- 13. Multiple Choice
An amperage setting that is too low will cause a:
high and narrow bead.
low and porous bead.
perfect bead.
weld with spattered edges.
- 14. Multiple Choice
Metal thickness, electrode size, and welding position are used to decide the:
amperage setting.
brand of welder.
employee's salary.
voltage setting.
- 15. Multiple Choice
What is the proper procedure to use if an electrode sticks to metal?
Decrease amperage.
Increase amperage.
Move the electrode holder back and forth.
Use a smaller diameter electrode.
- 16. Multiple Choice
Neil is making a welded metal project. Before he starts welding, what should he do to the metal?
brush and oil
grind and paint
identify and clean
wash with solvent
- 17. Multiple Choice
If the travel speed is too fast, the welded bead is:
narrow.
penetrating.
spattered.
wide.
- 18. Multiple Choice
When metal is prepared for welding, it should be:
cleaned.
oiled.
painted.
weighed.
- 19. Multiple Choice
When preparing metal for welding, the fastest way to clean the metal is to:
grind it.
paint it.
sand it.
scrape it.
- 20. Multiple Choice
If a student welds two pieces of metal end to end in the flat position, what type of joint is made?
butt
edge
lap
T
- 21. Multiple Choice
When Barry started welding, there was a lot of spatter, and his bead was flat. What caused the spatter and flat bead?
amperage too high
amperage too low
arc too short
travel too fast
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