MSSC Maintenance Awareness Questions and Answers 100% Verified

MSSC Maintenance Awareness Questions and Answers 100% Verified Torches are designed to avoid mixing oxygen and acetylene by using __________. - Answer ️️ -Reverse-flow check valves at torch inlets or regulator outlets To prevent leakage around the valve during use, __________ - Answer ️️ -An oxygen cylinder valve should be opened all the way An explosion can occur if __________ comes in contact with oil. - Answer ️️ -High pressure oxygen A green welding hose normally indicates that this hose carries __________. - Answer ️️ - Oxygen A __________ is a non-destructive test that uses a colored spray to reveal imperfections in a weld. - Answer ️️ -dye-penetrant test A red welding hose indicates that this hose carries __________. - Answer ️️ -acetylene When using the __________ in welding, the electrode should be leaned 15 to 25 degrees in the direction of travel. - Answer ️️ -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. - Answer ️️ - Filler Metals treated by __________ processes become soft. - Answer ️️ -annealing Oxy-acetylene welding requires no __________ and is not sensitive to wind or drafts like Gas Metallic Arc Welding or Gas Tungsten Arc Welding. - Answer ️️ -electricity A magnaflux test is used to show what flaw in ferrous metal? - Answer ️️ -Cracks in the surface A spot welding system consists of an electrical supply, moveable arm, and a(n) __________. - Answer ️️ -stationary arm What device should be stored a minimum of 20 feet from flammable materials? - Answer ️️ - Oxygen Cylinders The gas metal arc welding (GMAW) process uses __________ to melt metal wire and fuse it with the base metal being welded. - Answer ️️ -Electricity Circuit testers determine if __________ electricity is present. - Answer ️️ -AC A knife switch consists of a lever and one or more sets of __________. - Answer ️️ -contacts The component of an electrical circuit that gives the operator control is the __________. - Answer ️️ -input device The type of current that only flows in one direction is __________. - Answer ️️ -DC Constant voltage power supplies will maintain a constant voltage under varying __________. - Answer ️️ -loads 10mA would be an example of __________ value. - Answer ️️ -current A(n) __________ is used to measure resistance. - Answer ️️ -ohmmeter Voltage is a(an) electrical __________. - Answer ️️ -force If a wire has continuity, it__________. - Answer ️️ -will have almost no resistance Current in a __________ circuit is divided among the branches of the circuit. - Answer ️️ - parallel As branches are added to a parallel circuit the resistance __________. - Answer ️️ -decreas