MSSC-MAINTENANCE AWARENESS TEST BANK EXAM LATEST UPDATE THIS YEAR WITH COMPLETE 550 QUESTIONS AND CORRECT VERIFIED ANSWERS

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MSSC-MAINTENANCE AWARENESS TEST BANK
EXAM LATEST UPDATE THIS YEAR WITH
COMPLETE 550 QUESTIONS AND CORRECT
VERIFIED ANSWERS

MSSC - MAINTENANCE AWARENESS EXAM 1

Question: To prevent leakage around the valve during use, __________ - CORRECT
ANSWER✔✔An oxygen cylinder valve should be opened all the way




Question: Torches are designed to avoid mixing oxygen and acetylene by using __________. -
CORRECT ANSWER✔✔Reverse-flow check valves at torch inlets or regulator outlets




Question: An explosion can occur if __________ comes in contact with oil. - CORRECT
ANSWER✔✔High pressure oxygen




Question: A green welding hose normally indicates that this hose carries __________. -
CORRECT ANSWER✔✔Oxygen




Question: A __________ is a non-destructive test that uses a colored spray to reveal
imperfections in a weld. - CORRECT ANSWER✔✔dye-penetrant test

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Question: A red welding hose indicates that this hose carries __________. - CORRECT
ANSWER✔✔acetylene




Question: When using the __________ in welding, the electrode should be leaned 15 to 25
degrees in the direction of travel. - CORRECT ANSWER✔✔pull technique




Question: __________ 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.
- CORRECT ANSWER✔✔Filler




Question: Metals treated by __________ processes become soft. - CORRECT
ANSWER✔✔annealing




Question: Oxy-acetylene welding requires no __________ and is not sensitive to wind or drafts
like Gas Metallic Arc Welding or Gas Tungsten Arc Welding. - CORRECT ANSWER✔✔electricity




Question: A magnaflux test is used to show what flaw in ferrous metal? - CORRECT
ANSWER✔✔Cracks in the surface




Question: A spot welding system consists of an electrical supply, moveable arm, and a(n)
__________. - CORRECT ANSWER✔✔stationary arm

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Question: What device should be stored a minimum of 20 feet from flammable materials? -
CORRECT ANSWER✔✔Oxygen Cylinders




Question: The gas metal arc welding (GMAW) process uses __________ to melt metal wire and
fuse it with the base metal being welded. - CORRECT ANSWER✔✔Electricity




Question: Circuit testers determine if __________ electricity is present. - CORRECT
ANSWER✔✔AC




Question: A knife switch consists of a lever and one or more sets of __________. - CORRECT
ANSWER✔✔contacts




Question: The component of an electrical circuit that gives the operator control is the
__________. - CORRECT ANSWER✔✔input device




Question: The type of current that only flows in one direction is __________. - CORRECT
ANSWER✔✔DC




Question: Constant voltage power supplies will maintain a constant voltage under varying
__________. - CORRECT ANSWER✔✔loads

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Question: 10mA would be an example of __________ value. - CORRECT ANSWER✔✔current




Question: A(n) __________ is used to measure resistance. - CORRECT ANSWER✔✔ohmmeter




Question: Voltage is a(an) electrical __________. - CORRECT ANSWER✔✔force




Question: If a wire has continuity, it__________. - CORRECT ANSWER✔✔will have almost no
resistance




Question: Current in a __________ circuit is divided among the branches of the circuit. -
CORRECT ANSWER✔✔parallel




Question: As branches are added to a parallel circuit the resistance __________. - CORRECT
ANSWER✔✔decreases




Question: A multimeter is a multipurpose device that can measure _________. - CORRECT
ANSWER✔✔voltage, current, and resistance