Answered

Alternating Current (AC) is used for welding aluminum because:

A. AC power is more cost-effective than DC power.
B. It produces deeper penetration than Direct Current.
C. Aluminum conducts AC better than DC.
D. It provides cleaning action and medium penetration of the arc.



Answer :

GinnyAnswer

Final answer:

AC is used for welding aluminum due to its cleaning action and medium penetration.


Explanation:

Alternating Current (AC) is used for welding aluminum primarily because of the cleaning action and medium penetration of the arc. This is advantageous for welding aluminum surfaces effectively.


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