Coating provided on the electrodes used in the arc welding is not expe – McqOptions

MCQOPTIONS

1.	Coating provided on the electrodes used in the arc welding is not expected to
A.	add alloying elements.
B.	prevent electrode from contamination.
C.	stabilise the arc.
D.	provide protective atmosphere to weld.
Answer» C. stabilise the arc.

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