MSSC - Maintenance Awareness | 150 Questions with 100% Correct Answers | Updated 2023

Torches are designed to avoid mixing oxygen and acetylene by using __________. - Reverse-flow check valves at torch inlets or regulator outlets To prevent leakage around the valve during use, __________ - An oxygen cylinder valve should be opened all the way An explosion can occur if __________ comes in contact with oil. - High pressure oxygen A green welding hose normally indicates that this hose carries __________. - Oxygen A __________ is a non-destructive test that uses a colored spray to reveal imperfections in a weld. - dye-penetrant test A red welding hose indicates that this hose carries __________. - acetylene When using the __________ in welding, the electrode should be leaned 15 to 25 degrees in the direction of travel. - pull technique