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ATO CORROSION QUESTIONS AND ANSWERS RATED A+
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Exam of 6 pages for the course ATO at ATO (ATO CORROSION)
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ATO CORROSIONWhat is the primary objective of the Paint System? - answer To protect all exposed
surfaces against corrosion and any other forms of deterioration.
What are the Operational Uses for the Paint System? - answer Glare Reduction by flat
coating
Special finishes for reduction of heat absorption
Camouflage and other detection countermeasures
High visibility requirements
Identification markings
What tools are used to apply Paint coating? - answer Brushes
Touch-Up pens
Rollers
Spray Guns
What should you not do to Natural and Synthetic Rubber? - answer Shall not be Painted
or oiled
What is Rubber subject to? - answer Fungus Growth, which can cause deterioration of
the rubber and corrosion of surrounding metal surfaces.
What should you not do to depleted Uranium? - answerAbrade or sand
The Environmental Protection Agency (EPA) has established specific requirements for
using this method to be used on aircraft surfaces - answerSpray Painting
What must be done if the protective finish which covers the depleted Uranium is
chipped, peeled, or otherwise removed so the dark gray or black depleted Uranium is
visible? - answerThe part must be returned to the licensee for rework or disposal.
Preferred alternatives for touch-up painting since they produce little paint waste and do
not require solvent clean up. - answerBrush and Rollers
The three general equipment areas that are COMMONLY affected by corrosion are? -
answerBilge Area
Equipment Bay Area
Engine Compartment
This areas contain all types of avionic equipment, providing many places for the
following substances to accumulate: dirt, water, Hydraulic fluid, drill shavings, waste,
loose fasteners, others debris. - answerBilge Area
, Highly susceptible to corrosion. This is especially true in helicopters and aircrafts using
external ram air-cooling. Technicians should routinely survey this area. -
answerAvionics Equipment Bay
Area containing hardware, electrical connectors, terminal boards, junction boxes and
ram air turbine which should be inspected for signs of salt spray contamination and
corrosion. - answerEngine Compartment
Must be removed to facilitate inspection. They are usually the last items to. be inspected
for corrosion damage. - answerShock Mounts
Two types of batteries found on avionic equipment are? - answerLead acid
Nickel- Cadmium
Prevents the intrusion of moisture, rain, saltwater, dust, and aircrafts fluids, which can
lead to extensive corrosion. ONE OF THE MOST IMPORTANT TOOLS FOR
CORROSION PREVENTION AND CONTROL. - answerSealants
Tools used for applying sealant. - answerBrush
Spatula
Masking Tape
Caulking Gun
What is mandatory when applying sealant whenever the previously applied sealant is
damaged? - answerApply fresh sealant
New sealant should... - answerOverlap the existing coating on the roughened surface.
Prior to using Sealant... - answerContainer must be inspected to determine if the
material has exceeded its shelf life.
Sealant may be ______________ of their original shelf life after passing the required
test. - answerone-half
The date of manufacture and shelf life can be found where on the sealant? - answerOn
each container
Corrosion - answerThe electrochemical deterioration of a material or its properties due
to its chemical reaction with the surrounding environment.
Design Step - answerWhen is the best time to prevent corrosion?
Moisture - answerWhat is the biggest contributor to corrosion in avionics?
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