MSSC Maintenance Awareness Practice Test Questions and Correct Answers

MSSC Maintenance Awareness Practice Test Questions and Correct Answers Metals treated by _____ processes become soft. Annealing Quenching Stamping Twisting Annealing A spot welding system consists of an electrical supply, moveable arm, and a _________. Encoder Filler rod Stationary arm Stationary roller Stationary arm Oxy-acetylene welding requires no _____ and is not sensitive to wind or drafts like Gas Metallic Arc Welding or Gas Tungsten Arc Welding. Gas Torch Electricity Filler rod Electricity Metals that contain iron, such as steel are called _______ metals. Ferrous Soft Base Heavy Ferrous The gas metal arc welding (GMAW) process uses _____ to melt metal wire and fuse it with the base metal being welding. Electricity Oxygen Acetylene Tungsten Electricity Metals that contain iron, such as mild steel, are called _______ metals. Soft Heavy Base Ferrous Ferrous Metals that contain iron, such as steel, have ______ properties. Porous Magnetic Spongy Kinetic Magnetic ________ 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. Joiner Filler Wadding Lap Filler A red welding hose indicates that this hose carries _______. Oxygen Acetylene Argon Nitrogen Acetylene A green welding hose normally indicates that this hose carries ____. Acetylene Oxygen Helium Nitrogen Oxygen The maximum pressure for use of acetylene gas is ____ psi. 30 25 20 15 15 A _______ is a non-destructive test that uses a colored spray to reveal imperfections in a weld. Dye-penetrant test Magnaflux test Bend test X-ray test Dye-penetrant test When using the ____ in welding, the electrode should be leaned 15 to 25 degrees in the direction of travel. Push technique Pull technique Spot technique Stringer technique Pull technique