Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by

Adjusting the duration of the current

Two plates of the same metal having equal thickness are to be butt wel

1.	Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by
A.	Adjusting the current
B.	Adjusting the duration of the current
C.	Changing the electrode size
D.	Changing the electrode coating
Answer» B. Adjusting the duration of the current

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Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by

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