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What does CC mode require?

  1. Current sensing wire feeder

  2. Voltage sensing wire feeder

  3. Manual control

  4. Remote control

The correct answer is: Voltage sensing wire feeder

CC mode stands for Constant Current mode, which is a type of welding process. In this mode, a voltage sensing wire feeder is required to control the amount of voltage and current being used during the welding process. The other options, such as a current sensing wire feeder, manual control, and remote control, do not accurately fulfill the requirements of CC mode. A current sensing wire feeder is used for Constant Voltage mode, and manual or remote control do not provide the necessary feedback for maintaining a constant current. Therefore, B is the correct answer as it specifies the appropriate type of wire feeder needed for CC mode.