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Welder
WELDABILITY OF STEEL
Set 21
Set 21
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Q13384
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How is the scale and oxide removed from stainless steel weld?
A
Peening
B
Cooling in oil
C
Cooling in sand
D
Heating up to 9500 to 11000C and quenched in water
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What makes for the buckling of weld joint, in stainless steel during cooling?
A
Over heated zone
B
Low thermal conductivity
C
Chromium contamination
D
High thermal conductivity
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What is the name of short weld made prior to the welding to hold the plates in perfect alignment?
A
Bead weld
B
Tack weld
C
String bead
D
Strong weld
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What type of defect will occur due to evaporation of the trapped gas from the liquid metal?
A
Arc blow
B
Porosity
C
Over lap
D
Crack
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Which welding the slag inclusion defect will occur?
A
Manual metal arc welding
B
Tungsten invert gas welding
C
Malattic invert gas welding
D
Oxy - acetylene gas welding
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