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Materials and Processes
Corrosion
Aircraft Drawings
Bonus
100

Which of the following materials may be inspected using the magnetic particle inspection method?

Iron alloys.

100

Caustic cleaning products used on aluminum structures have the effect of producing

corrosion.

100

Drawings may be divided into three classes:

  • Detail drawings, assembly drawings and installation drawings
100

The More you take, the more you leave behind. What am I ?

Foot steps 

200

One way a part may be demagnetized after magnetic particle inspection is by

slowly moving the part out of an AC magnetic field of sufficient strength.

200

. Fretting corrosion is most likely to occur

when two surfaces fit loosely together and can move relative to one another.

200

Almost all objects are made up of one or a combination of shapes, which are

  • Triangle, circle, cube, cylinder, cone and sphere
200

David's father has three sons:Snap, Crakle and 

David 

300

Which type crack can be detected by magnetic particle inspection using either circular or longitudinal magnetization?

45°.

300

The rust or corrosion that occurs with most metals is the result of

a tendency for them to return to their natural state.

300
  • The center line indicates the center of an object or part of an object. This line  made up of:
  • Alternating long and short lines (dashes)
300

How many twist per inch in safety wire?

6-8

400

Which of the following methods may be suitable to use to detect cracks open to the surface in aluminum forgings and castings?

Dye Penetrant 

Ultra Sonic

Eddy Current 

Metallic Ring 

Dye penetrant inspection and eddy current inspection.

400

What  are the desired effects of using Alodine on aluminum alloy?

A slightly rough surface and increased corrosion resistance

400
  • Regarding an orthographic projection, the one-view, two-view, and the three-view are the most common, but; it can have as many as:
  •  6 views
400

What is the 3RD planet from the sun?

Earth

500

To detect a minute crack using dye penetrant inspection usually requires

a longer-than-normal penetrating time.

500

Intergranular corrosion in aluminum alloy parts

cannot always be detected by surface indications. Intergranular corrosion forms along the grain boundaries within an aluminum alloy

500

. Finished marks are used for this purpose:

  • Indicates that a surface must be machine finished
500

What is more useful when it is broken?

An egg