Question

select the method to eliminate or reduce arc blow.

manipulation of the electrode to counter the direction of arc blow
moving the work clamp location by welding away from the work clamp
using ac weld current
all of the these

Explanation:

Analyze electrode manipulation

Using the Magnetic Arc Blow knowledge point
Angling the electrode to point in the direction opposite to the arc blow helps counteract the magnetic forces pulling the arc.

Analyze work clamp placement

Using the Magnetic Arc Blow knowledge point
Changing the location of the work clamp or welding away from the ground connection reduces the magnetic field concentration that causes the deflection.

Analyze welding current type

Using the Alternating Current and Magnetic Arc Blow knowledge points
Switching from direct current (DC) to alternating current (AC) prevents the buildup of a stable, unidirectional magnetic field, effectively eliminating magnetic arc blow.

Evaluate all options

Using the Magnetic Arc Blow knowledge point
Since electrode manipulation, moving the work clamp, and using AC current are all highly effective methods to reduce or eliminate arc blow, the correct choice is "All of the these".

Answer:

• Manipulation of the electrode to counter the direction of arc blow
• Moving the work clamp location by welding away from the work clamp
• Using AC weld current
• All of the these (Correct answer)