3 - Atmospheric Corrosion

Question 1

A form of corrosion that occurs from moisture associated with atmospheric conditions

Answer 1

Atmospheric Corrosion

Question 2

Marine environments and moist polluted industrial environments with ,,,,, contaminants are most severe

Answer 2

airborne

Question 3

Marine environments can be very corrosive if ,,,,,

Answer 3

(20 mpy)

Question 4

industrial environments can be very corrosive, contain acids or sulfur compounds that can form acids ,,,,,

Answer 4

(5-10 mpy).

Question 5

Inland locations exposed to a moderate amount of precipitation or humidity are considered moderately corrosive environments ,,,,,,,

Answer 5

(~1-3 mpy).

Question 6

Dry rural environments usually have very low corrosion rates ,,,,,

Answer 6

(<1 mpy)

Question 7

Atmospheric corrosion rates increase with temperature up to about ,,,,,

Answer 7

250°F (121°C)

Question 8

Atmospheric corrosion above 250°F (121°C), surfaces are usually ,,,,, for corrosion to occur except under insulation

Answer 8

too dry