chapter 7 corrosion and cleaning Final

Which of these corrosive agents can likely be found in air cargo, and must be dealt with immediately and found

Mercury

On copper and copper alloys corrosion appears as

Greenish film

Which type of corrosion is found most often on extruded parts

Exfoliation corrosion

On steel, corrosion appears as?

Reddish rust

On aluminum alloy and magnesium corrosion often appears as

White powdery deposit

Surface pits caused by corrosion can become sites for

Crack development

Which of these is not allowed on a steel part?

Chemical conversion coating

Which of these containments is not corrosive by itself, but will attract the retain moisture, thereby causing a corrosive attack

Food spilled in the galley

Regarding wheelwell and landing gear, partially applied preservative

Will mask corrosion

Which of these describes the beginning of a corrosive attack on a magnesium surface?

White spots

Which of these is a promised spot for corrosion due to the dissimilar metal contact

Piano hinges

Which of these is appropriate for cleaning corroded anodized services?

Fiber bristle brush

With the exception of a sandwich structures, design specifications usually require that aircraft have, which of the following installed in all areas where water collects

Drains

Minor engine oil leaks will

Damage tires

Which method or tool is not satisfactory for moving intergranular corrosion

Blasting

If exhaust tracks are not removed regularly, the stain will:

Start corrosion from the combustion byproducts

Which of these do not need to be protected when using paint stripper

Surface finishes, covering corrosion

Which of these pirates of an airplane required cleaners designed specifically for them

Windshield

Organic. Codings

All of the above

Electrolytic and anodizing process

Both B and C