CWI Full Test Questions and Answers 100%
Correct
Chemical composition of the electrode wire, and shielding gas In the electrode
classification, ER 70S - 3 the 3 indicates the
Pulse arc and short circuiting arc GMAW world is to be made in a vertical up fillet which
mode could be used
Is metal cored If a "C is used in place of the "S" in the gas metal arc electrode
classification system. It means the electrode.
Long enough to allow the electrode to cool How long should the post purge shielding gas
be allowed to flow after the welding arc is broken
Center plate thicknesses in the root in hot pass on pipe The gas tungsten arc welding
process is commonly use to weld
,Change tungsten, larger tungsten, decrease current If tungsten spitting occurs what may
be done to correct the problem
All position welding with a high deposition rate Which of the following is not an
advantage of GTAW
Gas metal arc welding wire (ER-70S-5) Filler medals for gas tungsten arc welding, are
identified using the same classification systems used for
Alternating current (AC) What type of current is recommended for magnesium
Direct current electrode negative What type of current is recommended for stainless steel
Direct current electrode negative What type of current is recommended for carbon steel?
Alternating Current (AC) What type of current is recommended for aluminum
,Thoriated tungsten What type of electrode is normally used to weld ferrous metals with
GTAW
Pure tungsten What type of electrode is normally used for general purpose? Welding of
aluminum and magnesium with GTAW
Constant current What type of power source is used with a gas tungsten arc welding
process?
In the flat and horizontal positions The submerged arc welding process is normally
applied
Granular, flux blanket What method is used to shield the molten weld pool in submerged
arc welding
Tensile strength The flux electrode classification F 62 - EL, the 6 indicates
DCEN Which type of electrical current is normally used in applications where higher
Deposition rates are required for SAW.
, An impact strength of 20 ft-lb at -20 degree Fahrenheit In the SAW, flux classification F
62 the 2 indicated
Excellent for applications were versatility is required Which of the following is not an
advantage of the submerged arc welding?
In arc is established between the tungsten electrode in the constricting nozzle In a non-
transferred arc
Argon Which type of gas is most commonly used as a plasma, gas for welding
A constricted arc, and a nonconsumable electrode The plasma arc welding process uses
Keyhole Which of the following technique describes the plasma arc going completely
through the work piece
It is chemically inert, and it is relatively inexpensive Argon is commonly used as a
shielding gas, because
Correct
Chemical composition of the electrode wire, and shielding gas In the electrode
classification, ER 70S - 3 the 3 indicates the
Pulse arc and short circuiting arc GMAW world is to be made in a vertical up fillet which
mode could be used
Is metal cored If a "C is used in place of the "S" in the gas metal arc electrode
classification system. It means the electrode.
Long enough to allow the electrode to cool How long should the post purge shielding gas
be allowed to flow after the welding arc is broken
Center plate thicknesses in the root in hot pass on pipe The gas tungsten arc welding
process is commonly use to weld
,Change tungsten, larger tungsten, decrease current If tungsten spitting occurs what may
be done to correct the problem
All position welding with a high deposition rate Which of the following is not an
advantage of GTAW
Gas metal arc welding wire (ER-70S-5) Filler medals for gas tungsten arc welding, are
identified using the same classification systems used for
Alternating current (AC) What type of current is recommended for magnesium
Direct current electrode negative What type of current is recommended for stainless steel
Direct current electrode negative What type of current is recommended for carbon steel?
Alternating Current (AC) What type of current is recommended for aluminum
,Thoriated tungsten What type of electrode is normally used to weld ferrous metals with
GTAW
Pure tungsten What type of electrode is normally used for general purpose? Welding of
aluminum and magnesium with GTAW
Constant current What type of power source is used with a gas tungsten arc welding
process?
In the flat and horizontal positions The submerged arc welding process is normally
applied
Granular, flux blanket What method is used to shield the molten weld pool in submerged
arc welding
Tensile strength The flux electrode classification F 62 - EL, the 6 indicates
DCEN Which type of electrical current is normally used in applications where higher
Deposition rates are required for SAW.
, An impact strength of 20 ft-lb at -20 degree Fahrenheit In the SAW, flux classification F
62 the 2 indicated
Excellent for applications were versatility is required Which of the following is not an
advantage of the submerged arc welding?
In arc is established between the tungsten electrode in the constricting nozzle In a non-
transferred arc
Argon Which type of gas is most commonly used as a plasma, gas for welding
A constricted arc, and a nonconsumable electrode The plasma arc welding process uses
Keyhole Which of the following technique describes the plasma arc going completely
through the work piece
It is chemically inert, and it is relatively inexpensive Argon is commonly used as a
shielding gas, because
