October 25

Excluding MIC, there are ____ main forms of corrosion

• 4

• 8

• 16

• 9

NFPA has stated that roughly ____ percent of sprinkler systems failures are due to corrosion.

• 10

• 30

• 18

• 28

The two most common types of sprinkler system corrosion are ____ and MIC.

• Pitting

• Leaching

• environmental cracking

• generalized corrosion

Microbiologically Influenced Corrosion (MIC) is a form of corrosion caused by the presence and activity of

_________ in piping systems.

• oxygen

• microorganisms

• water

• iron

The BAC-PAK test kit by Potter contains ___ test vials.

• one

• two

• three

• four

The BAC-Pak test results will appear over a period up to ____ days

• 5

• 9

• 12

• 30

______ is the formation of localized corrosive knoblike mounds.

• Rust

• MIC

• Pitting

• Tuberculation

______ corrosion

is the accelerated deterioration of a metal that occurs when it is in electrical contact with a more noble metal or a

nonmetallic conductor in a corrosive electrolyte.

• Galvanic

• MIC

• Pitting

• Tuberculation

______ is a common problem in piping systems with a hard water source.

• Weld seam leaks

• Pipe Scale

• Pitting Corrosion

• Tuberculation

Nitrogen is present in the earth's atmosphere and is found in ____ % of the air we breathe.

• 21

• 30

• 78

• 94