MSSC Maintenance Awareness Exam
Questions And Answers. Verified and
Updated
Metals that contain iron, such as steel, have _____________ properties. - answer✔✔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. -
answer✔✔Filler
The gas metal arc welding (GMAW) process uses ______________ to melt metal wire and fuse
it with the base metal being welded. - answer✔✔electricity
Metals that contain iron, such as mild steel, are called ____________ metals. - answer✔✔ferrous
A spot welding system consists of an electrical supply, moveable arm, and a(n)
_______________. - answer✔✔stationary arm
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
Metals that contain iron, such as steel are called _____________ metals. - answer✔✔ferrous
A green welding hose indicated that this hose carries __________. - answer✔✔Oxygen
Torches are designed to avoid mixing oxygen and acetylene by using ________________. -
answer✔✔Reverse-flow check valves at torch inlets or regulator outlets
An explosion can occur if ___________ comes into contact with oil. - answer✔✔High pressure
oxygen
A Magnaflux test is used to show what flaw in ferrous metal? - answer✔✔Cracks in the surface
When using the ____________ in welding, the electrode should be leaned 15 to 25 degrees in the
direction of travel. - answer✔✔pull technique
the maximum pressure for use of acetylene gas is _______ psi. - answer✔✔15
EXAM STUDY MATERIALS July 24, 2024 1:33:58 PM
, A red welding hose indicates that this hose carries __________. - answer✔✔Acetylene
A(n) ___________ is a non-destructive test that uses a colored spray to reveal imperfections in a
weld. - answer✔✔dye-penetrant test
To prevent leakage around the valve during use, _____________. - answer✔✔An oxygen
cylinder valve should be opened all the way
What device should be stored a minimum of 20 feet from flammable materials? -
answer✔✔Oxygen Cylinders
Dirt and other foreign material should be cleaned out of an oxygen cylinder before installing a
regulator. By what method should this be done? - answer✔✔The cylinder valve should be
cracked open slightly and then closed completely
The component of an electrical circuit that gives the operator control is the __________. -
answer✔✔input device
Electricity creates the flow of __________ in a conductor. - answer✔✔electrons
Constant voltage power supplies will maintain a constant voltage under varying __________. -
answer✔✔loads
The primary purpose of a switch is to __________. - answer✔✔energize and deenergize circuits
A knife switch consists of a lever and one or more sets of __________. - answer✔✔contacts
Circuit testers determine if __________ electricity is present. - answer✔✔AC
Which of the following is true of an electrical schematic diagram? - answer✔✔All of the above
The type of current that only flows in one direction is __________. - answer✔✔DC
Which of the following is often used to start or stop machine operation? - answer✔✔Pushbutton
switch
Which of the following is an electrical output device? - answer✔✔All of the above (motor, lamp,
resistor)
The contacts of which switch type are open when acted on by the operator? -
answer✔✔Normally closed
Rotary motion is the output of which electrical output device? - answer✔✔Motor
As branches are added to a parallel circuit the resistance __________. - answer✔✔decreases
EXAM STUDY MATERIALS July 24, 2024 1:33:58 PM
Questions And Answers. Verified and
Updated
Metals that contain iron, such as steel, have _____________ properties. - answer✔✔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. -
answer✔✔Filler
The gas metal arc welding (GMAW) process uses ______________ to melt metal wire and fuse
it with the base metal being welded. - answer✔✔electricity
Metals that contain iron, such as mild steel, are called ____________ metals. - answer✔✔ferrous
A spot welding system consists of an electrical supply, moveable arm, and a(n)
_______________. - answer✔✔stationary arm
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
Metals that contain iron, such as steel are called _____________ metals. - answer✔✔ferrous
A green welding hose indicated that this hose carries __________. - answer✔✔Oxygen
Torches are designed to avoid mixing oxygen and acetylene by using ________________. -
answer✔✔Reverse-flow check valves at torch inlets or regulator outlets
An explosion can occur if ___________ comes into contact with oil. - answer✔✔High pressure
oxygen
A Magnaflux test is used to show what flaw in ferrous metal? - answer✔✔Cracks in the surface
When using the ____________ in welding, the electrode should be leaned 15 to 25 degrees in the
direction of travel. - answer✔✔pull technique
the maximum pressure for use of acetylene gas is _______ psi. - answer✔✔15
EXAM STUDY MATERIALS July 24, 2024 1:33:58 PM
, A red welding hose indicates that this hose carries __________. - answer✔✔Acetylene
A(n) ___________ is a non-destructive test that uses a colored spray to reveal imperfections in a
weld. - answer✔✔dye-penetrant test
To prevent leakage around the valve during use, _____________. - answer✔✔An oxygen
cylinder valve should be opened all the way
What device should be stored a minimum of 20 feet from flammable materials? -
answer✔✔Oxygen Cylinders
Dirt and other foreign material should be cleaned out of an oxygen cylinder before installing a
regulator. By what method should this be done? - answer✔✔The cylinder valve should be
cracked open slightly and then closed completely
The component of an electrical circuit that gives the operator control is the __________. -
answer✔✔input device
Electricity creates the flow of __________ in a conductor. - answer✔✔electrons
Constant voltage power supplies will maintain a constant voltage under varying __________. -
answer✔✔loads
The primary purpose of a switch is to __________. - answer✔✔energize and deenergize circuits
A knife switch consists of a lever and one or more sets of __________. - answer✔✔contacts
Circuit testers determine if __________ electricity is present. - answer✔✔AC
Which of the following is true of an electrical schematic diagram? - answer✔✔All of the above
The type of current that only flows in one direction is __________. - answer✔✔DC
Which of the following is often used to start or stop machine operation? - answer✔✔Pushbutton
switch
Which of the following is an electrical output device? - answer✔✔All of the above (motor, lamp,
resistor)
The contacts of which switch type are open when acted on by the operator? -
answer✔✔Normally closed
Rotary motion is the output of which electrical output device? - answer✔✔Motor
As branches are added to a parallel circuit the resistance __________. - answer✔✔decreases
EXAM STUDY MATERIALS July 24, 2024 1:33:58 PM
