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Welder
GAS METAL ARC WELDING
Set 19
Set 19
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Q13096
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Which is the remedy for the contraction of weld metal due to excess of heat input that moves the base metal changes the angle?
A
Support on solid surface with two hands
B
Check gas flow rate and leakage of gas
C
Use clean and dry weld wire
D
Weld small segments and allow cooling
Q13097
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What is the operation to clean the cylinder valve before fixing the regulator to the argon cylinder?
A
Closing
B
Opening
C
Shutting
D
Cracking
Q13098
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What defect will occur in the weld metal if the arc voltage and travel speed is low in MIG / MAG welding?
A
Blow hole
B
Under cut
C
Wire struck
D
Weld overlap
Q13099
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What is the effect in MIG / MAG welding for a short stick out distance?
A
Porosity in weldment
B
Arc blow in weldment
C
Less spatter deposit in nozzle
D
More spatter deposit in nozzle
Q13100
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What is the weld defect if wire feed speed too high?
A
Porosity
B
Spatters
C
Incomplete fusion
D
Lack of penetration
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