Open-circuit voltage of 60V and current of 160 A were the welding conditions for arc welding of a certain class of steel strip of thickness 10 mm. For arc welding of 5 mm thick strip of the same steel, the welding voltage and current would be:

Open-circuit voltage of 60V and current of 160 A were the welding cond

1.	Open-circuit voltage of 60V and current of 160 A were the welding conditions for arc welding of a certain class of steel strip of thickness 10 mm. For arc welding of 5 mm thick strip of the same steel, the welding voltage and current would be:
A.	60 V and 80 A
B.	120 V and 160 A
C.	60V and 40 A
D.	120V and 40 A
Answer» B. 120 V and 160 A

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Open-circuit voltage of 60V and current of 160 A were the welding conditions for arc welding of a certain class of steel strip of thickness 10 mm. For arc welding of 5 mm thick strip of the same steel, the welding voltage and current would be:

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