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Welder
WELDABILITY OF STEEL
Set 22
Set 22
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Q13389
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What will happen if the current is low while arc welding?
A
Formed over lap
B
Spatterns are more
C
Electrode fused speedly
D
Base metal edges not melt properly
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What is the use of intermediate tacks on a weld setting of plates?
A
To reduce the welding run
B
To control defects in weld joint
C
To speed up the welding joint
D
Align and to maintain the position of joint
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What is the main reason, that aluminium is difficult to weld?
A
Less weight
B
Oxide formation
C
High thermal conductivity
D
Better strength weight ratio
Q13392
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What method of heating is done to remove bending distortion of weld joint with wedge shaped area?
A
Spot heating
B
Pipe - needle heating
C
Triangular heating
D
Checker - board heating
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