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Welder
GAS METAL ARC WELDING
Set 9
Set 9
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Q13046
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Why the welder's cloth should be free from oil, grease etc, while welding?
A
To protect the job
B
To deflect the arc rays
C
To avoid catching fire
D
To safe guard your inner cloth
Q13047
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Which electrode wire is more suitable for carbon steel fabrication in GMAW process?
A
70S - 6
B
70T - 2
C
70S - 2
D
70S - 3
Q13048
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Which metal transfer process in GMAW produces strong weld with least spatter?
A
Spray transfer
B
Globular transfer
C
Dip transfer
D
Pulsed transfer
Q13049
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Why the argon and CO<sub>2</sub> mixing gas used in FCAW?
A
Smooth spray transfer of melt
B
Smooth globular transfer
C
Smooth pulsed transfer
D
Smooth dip transfer
Q13050
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How the pre-heating temperature is checked before welding wrought iron or cast metals?
A
Flow of spatters
B
Size of blow holes
C
Temperature indicating crayon
D
Count of pin holes
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