Welder Red Seal · Question
What is the main advantage of using the pulsed spray transfer mode in GMAW?
Pulsed spray transfer alternates between a high peak current (to achieve spray transfer) and a low background current (to cool the puddle). This allows for a co
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Question: What is the main advantage of using the pulsed spray transfer mode in GMAW?
Answer options:
- It is the fastest method for depositing weld metal in the flat position ✅ It allows for spray-like metal transfer at lower average currents, enabling out-of-position welding
- It requires only 100% CO2 as a shielding gas
- It eliminates the need for any shielding gas
Correct answer: It allows for spray-like metal transfer at lower average currents, enabling out-of-position welding
Explanation: Pulsed spray transfer alternates between a high peak current (to achieve spray transfer) and a low background current (to cool the puddle). This allows for a controlled, spatter-free spray transfer at a lower average current, making it suitable for out-of-position welding and on thinner materials than conventional spray.
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