The Only Difference Between All GMA Welding Machines and Some

question 30

Multiple Choice

The only difference between all GMA welding machines and some FCA welding machines is that all GMA welding machines must have a ______________.

• A) cooling water system
• B) shielding gas solenoid
• C) air cooling fan
• D) power contactor to start and stop the current

---

Definitions:

Punisher

An unfavorable consequence or penalty intended to reduce the occurrence of an unwanted behavior.

Respondent Behavior

A behavior that occurs as an automatic response to some stimulus; typically used in the context of classical conditioning.

Automatic

Operating or occurring without conscious thought or intention, often as a reflex or habitual action.

Novel

A long narrative work of fiction, typically published as a book and presenting characters and a plot in detail.