MSSC MAINTENANCE AWARENESS PRACTICE TEST QUESTIONS AND ANSWERS
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
, MSSC MAINTENANCE AWARENESS PRACTICE TEST QUESTIONS AND ANSWERS
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
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
, MSSC MAINTENANCE AWARENESS PRACTICE TEST QUESTIONS AND ANSWERS
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
