Certified Welding Inspector Practice Exam

What is the purpose of an Air Carbon Arc Cutting Torch?

1. To enhance heat within the steel

2. To transfer current and position the cutting electrode

3. To apply adhesive between different materials

4. To measure metal thickness

The correct answer is: To transfer current and position the cutting electrode

The function of an Air Carbon Arc Cutting Torch is specifically to transfer electrical current and position the cutting electrode precisely in the desired location. This tool operates by utilizing an arc formed between the electrode and the workpiece, allowing it to cut through metals efficiently. The process involves the use of a carbon rod as the electrode, which is fed into the arc established with the material being cut. Compressed air is then used to blow away molten metal, making the cutting process quick and effective. In terms of application, the ability to transfer current effectively is crucial because the cutting process relies primarily on the generation of heat through electrical resistance. Additionally, the accurate positioning of the electrode enables the welder to achieve the desired depth and width of the cut. This capability sets the Air Carbon Arc Cutting Torch apart from other tools, making it highly useful in various metalworking and fabrication tasks.