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29103-09
Study Guide
Use the PowerPoint to fill in the blanks.
1. In plasma arc cutting, plasma is created by _____.
2. In most cases, plasma arc cutting is _____ than other cutting methods.
3. In the transferred arc process, the workpiece is _____.
4. The simplest plasma arc cutting units use filtered _____ for plasma and
cooling gas.
5. Industrial plasma cutting units can cut carbon steel up to _____ thick.
6. The most common plasma arc cutting torch uses _____.
7. The typical plasma arc cutting torch contains a _____.
8. The most common parts that are changed in a torch are the _____.
9. When performing plasma arc cutting near a battery, the operator should
remove the battery to prevent
_____.
10. If cylinders are to be removed from a plasma arc cutting unit before it is
stored, be sure to remove the regulators and _____.
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11. Most heavy-duty plasma arc cutting systems require one gas cylinder
containing the cutting gas and another containing _____.
12. Cutting a 2" aluminum plate will require a(n) _____.
13. To pierce very thin metal using plasma arc cutting, hold the torch at a
_____- degree work angle.
14. When compressed air is used with a PAC unit, the correct air flow rate
and pressure are maintained by _____.
15. Sputtering or hissing of the torch is often caused by _____.