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ACS - Cleaning and Corrosion Control

Authored by Rocky Robinson

Instructional Technology

12th Grade

ACS - Cleaning and Corrosion Control
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

On aluminum corrosion visibly appears as ___________________________ or as ___________________________.

corrosion products; white powdery substance

rust; red flakes

tarnish; black spots

oxidation; green patina

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How are control cables checked for corrosion on the inside of the bundle of strands?

By visual inspection and bend test

Stretch test test

By applying a corrosion inhibitor

Through ultrasonic testing

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

T or F: Any internal corrosion of control cables is cause for replacement.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What are the three (3) steps for corrosion removal?

A. Cleaning, Priming, Painting

B. Sanding, Coating, Sealing

C. Washing, Drying, Polishing

D. Scraping, Buffing, Oiling

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

name the most common corrosion prone areas.

Wheel wells and wing rear spar shelf

Battery terminals

Avionic bays

Exhaust systems

Engine compartments

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What causes hydrogen embrittlement?

Absorption of hydrogen into the metal

Excessive heat during welding

Corrosion from saltwater exposure

Fatigue from repeated stress

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Aluminum alloys should be mechanically cleaned with ___________________________

mechanical cleaning methods or specific cleaning agents suitable for aluminum alloys.

water and soap only.

any type of acid.

steel wool.

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