Corrosion

Front 1

What is the greatest threat to the structural integrity of an aircraft?

Back 1

Metal Composition

Front 2

The materials used in the construction of an aircraft are chose according to their

Back 2

Strength to weight ratio

Front 3

Metal corrosion is defined as the deterioration of metal as it combines with which of the following elements?

Back 3

Oxygen

Front 4

On a naval aircraft, what materials are used most often to separate susceptible alloys from the corrosive environment?

Back 4

Paints

Front 5

Which of the following conditions are factors in the electromechanical reaction that causes metals to corrode?

Back 5

Moisture and humidity only

Front 6

Which of the following conditions is the single greatest contributor to avionics corrosion?

Back 6

Moisture

Front 7

Which of the following publications provides info on aircraft corrosion control for O-level maintenance?

Back 7

NAVAIR 01-1A-509

Front 8

Which of the following publications provideds info on aircraft cleaning?

Back 8

NAVAIR 16-1-540

Front 9

As directed by NAVAIR, aircraft deployed aboard an aircraft carrier will be washed and cleaned a minimum of how often?

Back 9

7 days

Front 10

what solent is generally used as an all purpose cleaner in naval aviation maintenance?

Back 10

Dry-cleaning solvent

Front 11

Which of the following cleaning compounds should be used to clean an aircraft that is painted with tactical paint system?

Back 11

MIL-C-85570

Front 12

How many levels of preservation methods are used on naval aircraft?

Back 12

`Three

Front 13

Level III preservation is used to preserve aircraft for what situation?

Back 13

Long term storage

Front 14

Threadlike filaments that form under organic substances

Back 14

filiform foam

Front 15

Fungus growths on the sealing materials of integral fuel tanks

Back 15

Microbiological corrosion

Front 16

Slipping movement between two mating metal surfaces

Back 16

fretting corrosion

Front 17

Uniform etching of the metal surfaces

Back 17

direct surface attack

Front 18

shallow indentations or deep cavities small diameter that form on metal surfaces.

Back 18

pitting corrosion

Front 19

Caused by the difference in concentration of the electrolyte or the active metal on the anode and cathode.

Back 19

crevice

Front 20

corrosive attack along the grain boundaries of metal alloy.

Back 20

Intergranular corrosion

Front 21

Metal fractures caused by the combined effects of corrosion and stress applied in cycles to a part

Back 21

fatigue corrosion

Front 22

Dissimilar metals in contact in a corrosion medium, such as salt water

Back 22

Galvanic corrosion

Front 23

lifting up of the metal surface caused by the force of expanding corrosion products occurring at the grain boundaries just below the metal surface

Back 23

exfoliation corrosion