Chapter 5-Science

What are the 3 basic kinds of corrosion

• Chemical

• Time

• Physical

• Pressure

• Electrochemical

Corrosion created by __________ causes is sometimes referred as _____________.

• Physical

• Chemical

• Erosion Corrosion

• Stray Current

• Electrochemical

A chemical reaction involving oxidation, reduction, and transfer of electrons is defined as __________ Corrosion

• Electrochemical

• Physical

• Chemical

• Electrical

The term ________ is used to describe the portion of the metal surface which is corroded and it is the location where current leaves the metal to enter the solution.

• Cathode

• Anode

• Entry Point

• Exposure

The term _______ is used to describe the metal surface from which a current leaves a solution and returns to the metal

• Anode

• Exit Point

• Cathode

• Relay

Most common type of local corrosion is _________.

• Blow Out

• Chemical

• Pitting

• Dotting

Reddish brown rust on uncoated cast iron pipe is a form of __________.

• Corrosion

• Pitting

• Burn

• Oxidation

Local action cells maybe responsible for corrosion of buried pipelines that contain a solution that conducts electricity.

• True

• False

The galvanic series rates the _________ activity of metals.

• relative

• action

• response

• corrosion

Electrochemical corrosion will take place if _________ is present to conduct electrical current

• solution

• water

• salt

• cathode