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Welder
GAS TUNGSTEN ARC WELDING
Set 4
Set 4
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Q13125
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What is the name of the defect in which the weld metal did not melt with base metal in TIG process?
A
Porosity
B
Lack of penetration
C
Lack of fusion
D
Under cut
Q13126
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What is the bore dia of ceramic nozzle to avoid porosity while doing TIG, welding?
A
Small sized
B
Large sized
C
Correct sized
D
Too small sized
Q13127
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How to avoid burning fast of tungsten in TIG welding process?
A
Long arc length
B
By using DCEP
C
By not using shielding
D
By using contaminated base metal
Q13128
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Which part the equipment the electron beam is direct and controlled in an electron beam welding process?
A
Electron gun
B
Electron beam
C
Vacuum chamber
D
Atmosphere
Q13129
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What devices are provided to reflect the light coming to the ends of ruby rod in laser beam welding?
A
Laser tube
B
Reflecting mirrors
C
Flash lamps
D
Shutter
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