AC is a requires polarity to be welded on
Aluminum
Suffocation is caused when breathing in excessive what?
Argon
While welding with the electrode pointing away from where you are going to weld this is called
The Back hand method
A V groove weld is represented by
A "V" symbol
weld leg size is noted on the
left side of the welding symbol
Larger droplets of filler is known as
Globular transfer
when welding with low travel speed what characteristics will this cause on the bread?
convex weld
Why are ER 6010 electrodes often used for a root pass and not intermittent welds
ER 6010 provides better penetration
Welding to cold, improper technique, and focusing on one joint member to much cause what?
Overlap
The HAZ is the
Heat Affected Zone
What is an autogenous welding?
A weld made without filler metal
Additional information for a weld is found
in the tail
ER 7018 can be welded in which position(s)
All positions
Quenching a weld is not common practice in the industry due to it making the weld
Brittle
Wearing wet clothing while arc welding makes you susceptible to
electric shock
worm tracking is type of porosity found only in
FCAW
When welding A T joint your work angle should be
45 degrees from the joint
what is not an acceptable weave pattern?
"X" pattern
What must be done before connecting a regulator to a cylinder valve
Crack the valve to release any debris
Dashed lines in drawing are called Hidden lines
True or false
True
What welding process is found most commonly in aerospace and nuclear welding
GTAW
Which shielding gas promotes penetration
CO2
When welding with DCEP what percentage is on the electrode?
2/3
the two types of orifices found on OFC torch are
jet orifice and preheat orifice
Stainless steel releases hexavalent chromium when welded
True