MSSC MAINTENANCE AWARENESS PRACTICE TEST- CURRENTLY TESTING EXAM WITH
ACCURATE SOLUTIONS
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
Oxy-acetylene welding requires no __________ and is not sensitive to wind or drafts like Gas
Metallic Arc Welding or Gas Tungsten Arc Welding.
electricity
A magnaflux test is used to show what flaw in ferrous metal?
Cracks in the surface
A spot welding system consists of an electrical supply, moveable arm, and a(n) __________.
stationary arm
,What device should be stored a minimum of 20 feet from flammable materials?
Oxygen Cylinders
The gas metal arc welding (GMAW) process uses __________ to melt metal wire and fuse it
with the base metal being welded.
Electricity
Circuit testers determine if __________ electricity is present.
AC
A knife switch consists of a lever and one or more sets of __________.
contacts
The component of an electrical circuit that gives the operator control is the __________.
input device
The type of current that only flows in one direction is __________.
DC
, Constant voltage power supplies will maintain a constant voltage under varying __________.
loads
10mA would be an example of __________ value.
current
A(n) __________ is used to measure resistance.
ohmmeter
Voltage is a(an) electrical __________.
force
If a wire has continuity, it__________.
will have almost no resistance
Current in a __________ circuit is divided among the branches of the circuit.
parallel
As branches are added to a parallel circuit the resistance __________.
decreases
ACCURATE SOLUTIONS
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
Oxy-acetylene welding requires no __________ and is not sensitive to wind or drafts like Gas
Metallic Arc Welding or Gas Tungsten Arc Welding.
electricity
A magnaflux test is used to show what flaw in ferrous metal?
Cracks in the surface
A spot welding system consists of an electrical supply, moveable arm, and a(n) __________.
stationary arm
,What device should be stored a minimum of 20 feet from flammable materials?
Oxygen Cylinders
The gas metal arc welding (GMAW) process uses __________ to melt metal wire and fuse it
with the base metal being welded.
Electricity
Circuit testers determine if __________ electricity is present.
AC
A knife switch consists of a lever and one or more sets of __________.
contacts
The component of an electrical circuit that gives the operator control is the __________.
input device
The type of current that only flows in one direction is __________.
DC
, Constant voltage power supplies will maintain a constant voltage under varying __________.
loads
10mA would be an example of __________ value.
current
A(n) __________ is used to measure resistance.
ohmmeter
Voltage is a(an) electrical __________.
force
If a wire has continuity, it__________.
will have almost no resistance
Current in a __________ circuit is divided among the branches of the circuit.
parallel
As branches are added to a parallel circuit the resistance __________.
decreases
