MSSC - Maintenance Awareness. Exam
Questions With Correct 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
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
EXAM STUDY MATERIALS July 26, 2024 9:30 AM
, 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✔✔decreases
A multimeter is a multipurpose device that can measure _________. - answer✔✔voltage,
current, and resistance
In a parallel circuit with a constant voltage power supply, the voltage drop across each branch is
__________. - answer✔✔equal to the power supply voltage
A(n) __________ circuit is one in which there is more than one path for current to travel. -
answer✔✔parallel
An ammeter is used to measure __________. - answer✔✔current
The two ways to measure voltage are __________ and __________. - answer✔✔across a
component, from a reference
Both analog and digital voltmeters measure __________. - answer✔✔potential difference
When current in a circuit is too high, it is usually the result of too many loads or a __________. -
answer✔✔short circuit
Electrical wiring that runs in exposed locations must be protected by pipe or tubing called
__________. - answer✔✔conduit
The total power in __________ electrical circuit is calculated by finding the sum of the
individual component power consumption. - answer✔✔any
EXAM STUDY MATERIALS July 26, 2024 9:30 AM
Questions With Correct 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
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
EXAM STUDY MATERIALS July 26, 2024 9:30 AM
, 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✔✔decreases
A multimeter is a multipurpose device that can measure _________. - answer✔✔voltage,
current, and resistance
In a parallel circuit with a constant voltage power supply, the voltage drop across each branch is
__________. - answer✔✔equal to the power supply voltage
A(n) __________ circuit is one in which there is more than one path for current to travel. -
answer✔✔parallel
An ammeter is used to measure __________. - answer✔✔current
The two ways to measure voltage are __________ and __________. - answer✔✔across a
component, from a reference
Both analog and digital voltmeters measure __________. - answer✔✔potential difference
When current in a circuit is too high, it is usually the result of too many loads or a __________. -
answer✔✔short circuit
Electrical wiring that runs in exposed locations must be protected by pipe or tubing called
__________. - answer✔✔conduit
The total power in __________ electrical circuit is calculated by finding the sum of the
individual component power consumption. - answer✔✔any
EXAM STUDY MATERIALS July 26, 2024 9:30 AM
