1. Chapter 1 - The Scope of Corrosion
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
If cost and availability were not factors in material selection, only the very best materials would ever be chosen.
Corrosion is a single reaction that can be turned off like a spigot.
An alloy that is the best choice for one application may not be acceptable for another.
'T'
'F'
'T'

2. Chapter 1 - The Scope of Corrosion
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
The deterioration of wood, ceramic, or plastics is a form of corrosion.
Corrosion occurs in most environments.
Corrosion can attack piping only externally.
'T'
'T'
'F'

3. 'T' 'F' 'F' All metals can and generally do corrode.
Chapter 1 - The Scope of Corrosion
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
All metals can and generally do corrode.
Metals exposed to seawater will generally corrode less.
Automobile bodies and bumpers now seldom suffer corrosion due to protective measures.
'T'
'F'
'F'

4. Chapter 1 - The Scope of Corrosion
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
Brass valves prevent corrosion at junctions on galvanized water pipes.
Concrete degradation of bridges, highways, buildings, and drainage ducts is often caused by mechanical forces rather than by environmental interaction.
If copper, brass, aluminum or stainless steel were substituted for iron, corrosion would not be anticipated.
'F'
'F'
'F'

5. Chapter 1 - The Scope of Corrosion
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
Some oxide of copper, aluminum, or chromium may form very slowly and coat the bare metal.
Compact layers of oxide, carbonate or sulfate can contribute to corrosion resistance.
Cold water is always more corrosive than hot water.
'T'
'T'
'F'

6. Chapter 1 - The Scope of Corrosion
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
Plants handling poisonous, corrosive, and combustible materials often cannot operate unless corrosion is controlled.
Corrosion rates expressed in the English system cannot be converted to metric terms.
Weight change is most commonly used as the measure of the extent of corrosion.
'T'
'F'
'T'

7. Corrosion is the deterioration of a substance or its properties due to
Chapter 1 - The Scope of Corrosion
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Corrosion is the deterioration of a substance or its properties due to
Mechanical overload
Fatigue
Reactions with its environment.
Wear

8. Chapter 1 - The Scope of Corrosion
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Select the material usually coated to protect it from atmospheric corrosion
Iron alloys
Stainless steels
Plastics
Titanium

9. Bimetallic corrosion is said to result from Insulation.
Chapter 1 - The Scope of Corrosion
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Bimetallic corrosion is said to result from
Insulation.
Dissimilar metal contact.
Heat differentials
Use of binary alloys.

10. Zinc will often be found as a major alloying element in
Chapter 1 - The Scope of Corrosion
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Zinc will often be found as a major alloying element in
Heat resistant alloys.
Copper alloys.
Titanium alloys.
Wrought stainless steels.

11. Select the factor least often contributing to corrosion
Chapter 1 - The Scope of Corrosion
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Select the factor least often contributing to corrosion
High temperature
Overdesign
Bacteria
Improper heat treatment