Metal transfer can occur in any of the following except ____

Pulsed spray transfer during background current refers to a specific technique in welding where the current is adjusted in pulses to control the welding process and transfer of molten metal. This method is distinct from other transfer modes like short circuiting, globular, and spray transfer, which are more standard modes of metal transfer in welding processes like GMAW (Gas Metal Arc Welding).

In pulsed spray transfer, the current variations help to manage the heat input and improve bead profile, but it does not result in the continuous transfer of metal like the other methods. Instead, it involves intermittent pulses that create droplets of molten metal that are transferred in a controlled manner, which can merge with the base metal without continuous metal transfer occurring. This makes it less about the transfer occurring consistently and more about control during the transfer process.

In contrast, short circuiting transfer involves a direct connection between the electrode and base metal, allowing for consistent transfer and fusion, while globular and spray transfer involve larger droplet formations and even spray-like ejections of molten metal, which can occur at varying speeds and consistencies in normal welding operations. Thus, the pulsed spray transfer is the only one mentioned that operates under a distinctive process that does not align with the continuous or traditional metal transfer