Shielded Metal Arc Welding Pretest
Quiz by Kaleigh Payne
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- Q1
SMAW, or stick welding, uses a(n) ____.
bare metal wire fed by the operator
metal wire automatically fed by the welding machine
flux-coated electrode
oxygen shielding gas and a machine-fed, flux-coated electrode wire
30s - Q2
The purpose of the flux coating on an electrode is to ____.
All of these
promote solidification of the weld pool
electrically insulate the wire core of the electrode
protect the weld from oxygen
30s - Q3
The biggest advantage of SMAW is its ____.
ability to create welds without the use of electricity
ability to weld continuously without replacing electrodes
adaptability to a variety of setups
ability to weld aluminum as well as steel
30s - Q4
All SMAW welding machines are constant current; this means they ____.
are easy to arc on nonferrous metals
charge the particles in the electrode positively
are constantly on
provide an even supply of amperage to the electrode
30s - Q5
A machine’s ____ is a rating that indicates how long the machine can continuously operate at a given amperage during a ten-minute period without overheating.
load rating
maximum work
maximum current
duty cycle
30s - Q6
A ____ is heavy stranded copper wire that connects the power source to the electrode holder or the work.
welding lead
flexi-flow wire
welding wire
load connector
30s - Q7
An insulated clamp that holds the electrode is a(n) ____.
work clamp or ground
electrode slinger
wire lead or mouse
electrode holder or stinger
30s - Q8
Slag is ____.
easy to remove; promotes rapid cooling
weld waste and impurities that form at the top of the weld bead
a defect that causes brittleness in the weld
settles to the root of the weld and provides added strength to the weld
30s - Q9
The number stamped on every SMAW electrode identifies the ____.
tensile strength of the filler, type of current, and speed of welding
flux material, the arc length, and the welding position
arc length, the arc speed, and the current type
tensile strength of the filler, welding position, and type of current
30s - Q10
Fast-fill electrodes ____.
provide light penetration, light slag, and smooth deposition
provide deep penetration, light slag, and the ability to weld out of position
provide medium penetration and smooth depositions at moderately high rates
have heavy iron powder flux and make smooth welds with easy-to-remove slag
30s - Q11
Fast-freeze electrodes ____.
provide light penetration, light slag, and smooth deposition
provide medium penetration and smooth depositions at moderately high rates
provide deep penetration, light slag, and the ability to weld out of position
have heavy iron powder flux and make smooth welds with easy-to-remove slag
30s - Q12
Low-hydrogen electrodes ____.
provide deep penetration, light slag, and the ability to weld out of position
provide medium penetration and smooth depositions at moderately high rates
provide light penetration, light slag, and smooth deposition
have heavy iron powder flux and make smooth welds with easy-to-remove slag
30s - Q13
Which of the following is not a welding position?
stacked
vertical
overhead
flat
30s - Q14
Welding position refers to ____.
the location of the electrode in relationship to the weld joint
how vertical the weld is
the location of the work in relationship to the welder
the location of the welder
30s - Q15
Electrode choice is based first of all on the ____.
temperature of the weld needed
position of weld
flux wanted
metal to be welded
30s