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NOCTI TEST WELDING
QUESTIONS WITH 100% CORRECT
ANSWERS.
Question : What does GMAW stand for
CORRECT ANSWER : Gas Metal Arc Welding
Question : GMAW is generally done with what polarity?
CORRECT ANSWER : Direct current electrode positive
(DC+)
Question : What type of power source is generally used
for GMAW welding
CORRECT ANSWER : Constant Voltage
Question : What does E stand for in ER70S-6
CORRECT ANSWER : electrode
Question : What does "70" stand for in ER70S-3?
CORRECT ANSWER : tensile strength
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Question : What mode of metal transfer allows for only
flat/horizontal position GMAW welding
CORRECT ANSWER : Spray
Question : What gas mixture is generally associated with
spray transfer on steel?
CORRECT ANSWER : 80% AR/ 20% CO2
Question : What gas mixture is generally associated with
globular transfer on steel?
CORRECT ANSWER : 90% AR/ 10%CO2
Question : Inadequate gas flow can cause what defect in
GMAW welding?
CORRECT ANSWER : Porosity
Question : What is generally not an effect of a worn or
loose contact tip
CORRECT ANSWER : porosity
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Question : What does STT stand for?
CORRECT ANSWER : Surface Tension Transfer
Question : What type of arc transfer is associated with
STT?
CORRECT ANSWER : short circuit
Question : Cold lap or lack of fusion is generally
associated with what type of arc transfer
CORRECT ANSWER : Short Circuit
Question : What does the s stand for in the GMAW
classification for ER70S-6
CORRECT ANSWER : Solid
Question : What mode of metal transfer allows for
consistent all position GMAW welding
CORRECT ANSWER : Short Circuit
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Question : What gas mixture is generally associated with
pulse transfer on steel?
CORRECT ANSWER : 90% AR/ 10% CO2
Question : What does SMAW stand for?
CORRECT ANSWER : Shielded Metal Arc Welding
Question : The majority of smaw welding is done using
what two polarities
CORRECT ANSWER : Dc+ , AC
Question : The recommended power source for SMAW
welding is what type
CORRECT ANSWER : Constant Current
Question : The AWS a classification of SMAW electrode
E7018-H4R what does E stand for?