AIRCRAFT CLEANING EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
Three methods of cleaning aircraft exterior - ANS Wet wash, dry wash, polishing
Two types of polishing - ANS Hand and machine
Polishing can remove - ANS Oxidation and corrosion
How to remove exhaust stains or oil - ANS Kerosene and other petroleum based solvent
Before washing plastics - ANS Flush with fresh water to dissolve salt deposits and wash away
dust particles
What to use to wash plastics - ANS Soap and water by hand
How to clean grease and oil from wheel wells and engine cowls - ANS Soak in 1:2 dilution of
emusion cleaner
When it comes to abrasives what can you use and not use - ANS Use aluminium oxide but
not silicon carbide(carborundum), crocus or emry paper can imbed iron oxide into aluminium or
magnesium
pg. 1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, How to neutralise acid deposits in lead acid battery compartments - ANS Baking soda
How to treat acid burns from chemical cleaners and inhibitors - ANS Baking soda
Phosphoric-citric acid mix is used to clean what - ANS Aluminium
Type 1 phosphoric acid is or is not ready to use as packaged - ANS Is
Type 2 phosphoric acid is or is not readily used from packaged - ANS No more a concentrate
and must be diluted(mineral spirits)
MEK is used as a solvent cleaner for what - ANS Metal surfaces and small area paint stripping
Can you rub plastic with a dry cloth - ANS No can cause electrostatic charge and scratches
Best cleaners to use in cabins - ANS Non flammable
6 non flammable a/c cabin cleaning agents and solvents - ANS Detergents and soaps, alkaline
cleaners, acid solutions, deodourising or disinfecting agents, abrasives, dry cleaning agents
3 types of flammable and combustible agents - ANS High flash point, low flash point, mixed
liquids
Low flash point agents are one below what degrees - ANS 100 degrees f
High flash point liquids are normally what type - ANS Stoddard solvents, kerosene
Types of low flash point liquids - ANS Aviation gasoline, acetone, MEK, naptha and toluol
pg. 2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
QUESTIONS AND ANSWERS 100% PASS
Three methods of cleaning aircraft exterior - ANS Wet wash, dry wash, polishing
Two types of polishing - ANS Hand and machine
Polishing can remove - ANS Oxidation and corrosion
How to remove exhaust stains or oil - ANS Kerosene and other petroleum based solvent
Before washing plastics - ANS Flush with fresh water to dissolve salt deposits and wash away
dust particles
What to use to wash plastics - ANS Soap and water by hand
How to clean grease and oil from wheel wells and engine cowls - ANS Soak in 1:2 dilution of
emusion cleaner
When it comes to abrasives what can you use and not use - ANS Use aluminium oxide but
not silicon carbide(carborundum), crocus or emry paper can imbed iron oxide into aluminium or
magnesium
pg. 1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, How to neutralise acid deposits in lead acid battery compartments - ANS Baking soda
How to treat acid burns from chemical cleaners and inhibitors - ANS Baking soda
Phosphoric-citric acid mix is used to clean what - ANS Aluminium
Type 1 phosphoric acid is or is not ready to use as packaged - ANS Is
Type 2 phosphoric acid is or is not readily used from packaged - ANS No more a concentrate
and must be diluted(mineral spirits)
MEK is used as a solvent cleaner for what - ANS Metal surfaces and small area paint stripping
Can you rub plastic with a dry cloth - ANS No can cause electrostatic charge and scratches
Best cleaners to use in cabins - ANS Non flammable
6 non flammable a/c cabin cleaning agents and solvents - ANS Detergents and soaps, alkaline
cleaners, acid solutions, deodourising or disinfecting agents, abrasives, dry cleaning agents
3 types of flammable and combustible agents - ANS High flash point, low flash point, mixed
liquids
Low flash point agents are one below what degrees - ANS 100 degrees f
High flash point liquids are normally what type - ANS Stoddard solvents, kerosene
Types of low flash point liquids - ANS Aviation gasoline, acetone, MEK, naptha and toluol
pg. 2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
