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Welder
WELDABILITY OF STEEL
Set 19
Set 19
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Which heat treatment process causes the reduction of brittleness in the steel?
A
By annealing
B
By hardening
C
By tempering
D
By normalising
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What is the cause of porosity in arc welding?
A
Damp electrodes
B
Carbon electrodes
C
Over size electrodes
D
Low hydrogen electrodes
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What is the welding defect in base metal gets melted and a groove formed along the toe of the weld?
A
Undercut
B
Blow holes
C
Reinforcementc
D
Lack of penetration
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What is the name of the steel material that is not weldable?
A
High carbon steel
B
Medium carbon steel
C
Austenitic stainless steel
D
Ferrite and martensitic stainless steel
Q13378
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What is the defect due to non cleaning the surfaces before welding?
A
Over lap
B
Lack of fusion
C
Surface porosity
D
Small cracks in bead
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