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

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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 __________ metal is a metal similar in composition to the metal being joined. It strengthens the weld by filling the gap created between the two pieces of metal during welding. - ✔✔Filler Metals treated by __________ processes become soft. - ✔✔annealing [Show More]

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