MACHINIST MATE CERTIFICATION SCRIPT
2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◍ Why are Work Packages and improvement over Conventional?.
Answer: For Organization, Comprehensibility, and Forms.
◍ JP-4 or NATO F-40.
Answer: Used as an alternate fuel to JP-5. Lowest Flash Point out of the
three and is the has the highest volatility
◍ Who will assign a worker, and place the work order in work?.
Answer: Work Center Supervisor
◍ What are the goals of the Naval Aviation Safety Program?.
Answer: To reduce death and injury while reducing loss and damage to all
Navy/Marine material from accidental causes.
◍ Deaerator.
Answer: Seperates air from oil returning to the oil tank
◍ Dynamic Electricity.
Answer: A practical form of current flow that is used in everyday life. This
form of electricity is easily produced, measured, and controlled
◍ Fuel Flow Indicating System's Components.
Answer: Fuel Flow Transmitter, and Fuel Flow Indicator
◍ Thread.
Answer: Uses reverse threading
◍ Oil Pressure Indicator.
Answer: Displays oil pressure in pounds-per-square-inch (PSI)
,◍ What are Technical Manuals?.
Answer: Publications and other forms of documentation which contain
instructions for the use and maintenance.
◍ Lubrication Heat Exchanger's Purpose.
Answer: Reduce temperature of oil by transmitting heat from the oil to
another fluid (fuel or air)
◍ Moderate Corrosion.
Answer: Removed by extensive hand sanding or light mechanical sanding.
◍ What are the types of Eye and Face Protection?.
Answer: Safety Glasses, Ventilated Goggles, Splash Goggles, and Face
Shield.
◍ What do Technical Manuals contain instructions for the use and
maintenance of?.
Answer: Weapons, Weapon Systems, Components, and Equipment.
◍ Auxiliary Power Unit Purposes.
Answer: Supplies bleed air (pneumatic power) for:(1) Main engine starting,
which is available at the start bypass valve.(2) Aircraft air conditioning,
which is available at the pneumatic power source outletThe APU also
supplies electrical and hydraulic sources of power to operate selected
aircraft systems, which are used:(1) During ground maintenance allowing
the aircraft to be independent of support equipment(2) For emergency
electrical and hydraulic power while in flightAdditionally, the APU supplies
mechanical power, which is available as shaft power at the main output
drive pad
◍ What material should never be used to remove corrosion from aluminum?.
Answer: Steel Wool.
◍ Types of Oil Seals.
Answer: Labyrinth, Thread, and Carbon
◍ Aircraft Fuel System Servicing Safety Precautions.
, Answer: Ensure aircraft, fueling unit, and fueling nozzle are properly
grounded to prevent static electricity from ignitingPosition the fueling unit
as far from as the hose will allowDo not conduct fueling operations within
100 feet of operating aircraft, operating airborne radio / radar equipment, or
in the vicinity of any grinding and weldingEnsure aircraft fuel vent mast is
free of obstructions and that adequate fire fighting equipment is available3
People are required for fueling :Man fire fighting equipmentMan the fueling
hoseMan the fueling unit
◍ APU Subsystems.
Answer: APU Starting System, APU Fuel System, APU Lubrication
System, APU Ignition System, Electronic Sequence Unit, APU Safety
Control System
◍ Screen Filter and Screen-disk Filter.
Answer: Can be cleaned and reused
◍ Mishap.
Answer: An unexpected and undesirable event that results in injury, loss, or
damage.
◍ What corrosion removal is not authorized for Navy organizational or
intermediate level?.
Answer: Chemical Corrosion Removal.
◍ What are the methods of applying lubricants?.
Answer: Grease guns, oil, squirt and aerosol spray cans, and by hand or
brush.
◍ Whose responsibility Is it to preform frequent corrosion inspections?.
Answer: All Maintenance Personnel.
◍ Aircraft Fuel System Purpose.
Answer: Provide a controlled means of receiving fuel from external sources
and supply fuel from tanks and cells within the aircraft to the engine
◍ Labyrinth.
2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◍ Why are Work Packages and improvement over Conventional?.
Answer: For Organization, Comprehensibility, and Forms.
◍ JP-4 or NATO F-40.
Answer: Used as an alternate fuel to JP-5. Lowest Flash Point out of the
three and is the has the highest volatility
◍ Who will assign a worker, and place the work order in work?.
Answer: Work Center Supervisor
◍ What are the goals of the Naval Aviation Safety Program?.
Answer: To reduce death and injury while reducing loss and damage to all
Navy/Marine material from accidental causes.
◍ Deaerator.
Answer: Seperates air from oil returning to the oil tank
◍ Dynamic Electricity.
Answer: A practical form of current flow that is used in everyday life. This
form of electricity is easily produced, measured, and controlled
◍ Fuel Flow Indicating System's Components.
Answer: Fuel Flow Transmitter, and Fuel Flow Indicator
◍ Thread.
Answer: Uses reverse threading
◍ Oil Pressure Indicator.
Answer: Displays oil pressure in pounds-per-square-inch (PSI)
,◍ What are Technical Manuals?.
Answer: Publications and other forms of documentation which contain
instructions for the use and maintenance.
◍ Lubrication Heat Exchanger's Purpose.
Answer: Reduce temperature of oil by transmitting heat from the oil to
another fluid (fuel or air)
◍ Moderate Corrosion.
Answer: Removed by extensive hand sanding or light mechanical sanding.
◍ What are the types of Eye and Face Protection?.
Answer: Safety Glasses, Ventilated Goggles, Splash Goggles, and Face
Shield.
◍ What do Technical Manuals contain instructions for the use and
maintenance of?.
Answer: Weapons, Weapon Systems, Components, and Equipment.
◍ Auxiliary Power Unit Purposes.
Answer: Supplies bleed air (pneumatic power) for:(1) Main engine starting,
which is available at the start bypass valve.(2) Aircraft air conditioning,
which is available at the pneumatic power source outletThe APU also
supplies electrical and hydraulic sources of power to operate selected
aircraft systems, which are used:(1) During ground maintenance allowing
the aircraft to be independent of support equipment(2) For emergency
electrical and hydraulic power while in flightAdditionally, the APU supplies
mechanical power, which is available as shaft power at the main output
drive pad
◍ What material should never be used to remove corrosion from aluminum?.
Answer: Steel Wool.
◍ Types of Oil Seals.
Answer: Labyrinth, Thread, and Carbon
◍ Aircraft Fuel System Servicing Safety Precautions.
, Answer: Ensure aircraft, fueling unit, and fueling nozzle are properly
grounded to prevent static electricity from ignitingPosition the fueling unit
as far from as the hose will allowDo not conduct fueling operations within
100 feet of operating aircraft, operating airborne radio / radar equipment, or
in the vicinity of any grinding and weldingEnsure aircraft fuel vent mast is
free of obstructions and that adequate fire fighting equipment is available3
People are required for fueling :Man fire fighting equipmentMan the fueling
hoseMan the fueling unit
◍ APU Subsystems.
Answer: APU Starting System, APU Fuel System, APU Lubrication
System, APU Ignition System, Electronic Sequence Unit, APU Safety
Control System
◍ Screen Filter and Screen-disk Filter.
Answer: Can be cleaned and reused
◍ Mishap.
Answer: An unexpected and undesirable event that results in injury, loss, or
damage.
◍ What corrosion removal is not authorized for Navy organizational or
intermediate level?.
Answer: Chemical Corrosion Removal.
◍ What are the methods of applying lubricants?.
Answer: Grease guns, oil, squirt and aerosol spray cans, and by hand or
brush.
◍ Whose responsibility Is it to preform frequent corrosion inspections?.
Answer: All Maintenance Personnel.
◍ Aircraft Fuel System Purpose.
Answer: Provide a controlled means of receiving fuel from external sources
and supply fuel from tanks and cells within the aircraft to the engine
◍ Labyrinth.
