Oxyfuel Pre-Test

STUDY GUIDE Oxyfuel Study Guide. 1. The oxyfuel process uses oxygen and what other types of gases? a. Inert Gases b. Active Gases c. Fuel Gases d. None of the Above 2. What polarity does oxyfuel welding employ? a. AC b. DC+ c. DC- d. None of the Above 3. What is the most common gas used for oxyfuel welding? a. Acetylene b. Propane c. Natural Gas d. ................
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