Burns
...
Gas cylinders must be chained
or secured at all times.
Acetylene
...
Long
...
While
...
Fuel gas fittings are equipped with left hand
threads.
Skin contact with liquid oxygen can cause
frostbite.
One should never
...
Which of the
...
Fuel
gas hoses are usually colored
Potential
hazards relating to arc welding are
One
should never enter a welding shop without wearing
Oxygen cylinders should never be
...
When
...
One should never
operate arc welding equipment while
When
using a fire extinguisher to extinguish a fire, it should be
GMAW is the
abbreviation for?
What are the
...
A
...
What should one never
...
What does the 70
indicate in the electrode classification ER70S-3?
Vaporized
metals, such as zinc, cadmium, lead, chromium and beryllium
Safety glasses are not required when
welding with the helmet down.
In
...
The maximum
recommended safe working pressure for Acetylene is
A
Hot Work Permit
What type of thread
and color are fuel gases fittings?
The maximum safe
working pressure for Acetylene is
The
benefit of copper coated electrode wires is
In
GMAW, insufficient gas flow can cause?
One
should never cut or weld directly against
What is the term for
...
Of the following, which is not a requirement for
the SMAW process?
Which
...
The
selection of a correct lens shade number depends on the
A burn that causes
the skin to blister is referred to as a
What
type of fire extinguisher should be used on electrical fires?
Flash
burn is
The
...
Federal
...
The oxyfuel process
uses oxygen and what other types of gases?
Rectifiers
are noted for their ability to
Because
...
A confined space is
one that
The distance from
...
Excessive
amounts of weld spatter in the nozzle may cause
Which
oxyacetylene flame has an excess of fuel?
The contact tube should be
The shielding gas
...
Which
...
ANSI
...
Which
of the following is not an advantage of the GMAW process?
What type of
electrode wire is used with GMAW?
When using GTAW to
...
A fully charged oxygen cylinder contains
...
High
Frequency current is added to Alternating Current to
When
...
To
remove the oxide layer from aluminum prior to welding you should
"Duty
cycle" is a term used to indicate the
Electric current is
transferred to the electrode through the
"Arc
blow" is caused by
Which
...
Which AWS electrode
classification is correct for GMAW wire?
Which
...
In GMAW, the amperage
is controlled by adjusting the
Which of the
following welding cable sizes is the largest?
Filler
metal with an AWS classification of ER70S-X is used to weld
A
worn contact tube results in
In order to reduce waste and control cost,
...
In
the SMAW process, as arc length increases, current (amperage)
The
chemical symbol for tungsten is
Filler
metal with an AWS classification of ER4043 is used to weld
Alternating
Current (AC) is used for welding aluminum because
An engine-driven
...
Which one of the
...
Which of the
...
In GMAW, the shielding for the molten metal
...
When
DCEP is used, direction of current flows
What type of power
source is used for GMAW?
How
...
Which of the
following group of electrodes is low hydrogen type?
In
GMAW, electrode extension is defined as the distance from the
Tungsten is used for
...
Areas that have less than__________ cubic feet per welder, or that...
While cutting with
acetylene, the oxygen working pressure is