Cathodic Protection

Which of the following metals would you find at the Noble end of the Galvanic Series?

• Stainless Steel

• Platinum

• Magnesium

• Zinc

Galvanic anodes are connected to...

• The positive lead of the rectifer

• The negative lead of the rectifier

• The structure being protected

• a DC power source such as a battery

Which of the following is NOT an advantage of galvanic anodes?

• They don't require an outside power source

• Installations protect larger structures than impressed current systems

• They are easy to install and maintain

• They rarely cause stray current interference

A(n) _______ is the smallest particle of an element or compound that retains all the properties of that compound or element.

• Ion

• Atom

• Molecule

• Element

• Mixture

Complete elimination of any of the 4 elements of the corrosion cell will stop pxidation from occurring.

• TRUE

• FALSE

Gaining electrons, increasing negative charge, and metal as an electron source are all characteristics of ?

• Oxidation

• Reduction

• Electrolytes

• Anode Consumption

Significant polarization will cause current flow to increase.

• TRUE

• FALSE

Magnesium and Zinc are on the opposite end of the Galvanic Series.

• TRUE

• FALSE

The negative (-) terminal of a rectifier is usually connected to ________ .

• the anode

• the anode ground bed

• the protected structure

• ground

The protected structure in an impressed current system is usually the ________ .

• Anode

• Cathode

• Rectifier

• Electrolyte