Chapter 12 PLASMA CUTTING MCQs

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1. . Plasma Arc cutting can be used to cut through material thicknesses ranging between ………





2. . Plasma cutting is a melting process in which a jet of ionized gas at temperature above ……… is used to melt





3. . In Plasma Cutting, water is also employed as ……… medium during the cutting process





4. . The gas used in plasma cutters can be ………





5. . In Plasma Cutting, the cooling system cools the ……… assembly components and work piece





6. . Plasma cuts any electrically-conductive metal from very thin ………





7. . Plasma cutters generally just need clean ……… air to cut metals





8. . Water is injected radially into the plasma arc, then the temperature is increased up to ………





9. . The inert plasma forming gas (argon or nitrogen) can be replaced with air but this requires a special electrode of ………





10. . To improve cut quality and compete with laser systems ……… is used





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