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Worksheets7.1 Corrosion Types Quiz
Total questions: 15
Worksheet time: 8mins
What is uniform corrosion also known as?
Localized corrosion
General corrosion
Galvanic corrosion
Stress corrosion
Which type of corrosion occurs in specific areas rather than uniformly?
Galvanic corrosion
Uniform corrosion
Localized corrosion
Erosion corrosion
What is a common cause of pitting corrosion?
High temperatures
Chloride ions
Moisture exposure
Alkaline solutions
What type of corrosion occurs in confined spaces?
Pitting corrosion
Intergranular corrosion
Crevice corrosion
Erosion corrosion
What is the primary cause of intergranular corrosion?
Mechanical stress
Moisture exposure
High temperatures
Electrochemical reactions
What is the main characteristic of galvanic corrosion?
Occurs along grain boundaries
Occurs evenly over the surface
Involves two different metals
Caused by high-velocity fluids
What is a common application where galvanic corrosion is a concern?
Pressure vessels
Heat exchangers
Ship hulls
Pipelines
What does stress corrosion cracking (SCC) result from?
Chemical reactions
High-velocity fluids
Localized pitting
Tensile stress and corrosive environment
What is a preventive measure against uniform corrosion?
Use of protective coatings
Material selection
Design modifications
Regular inspection
What type of corrosion is characterized by small, localized pits?
Uniform corrosion
Localized corrosion
Stress corrosion
Galvanic corrosion
What is a common cause of erosion corrosion?
Chemical exposure
Low temperatures
Relative movement of fluids
Moisture accumulation
What is a key factor in preventing stress corrosion cracking?
Ignoring environmental conditions
Avoiding protective coatings
Using materials resistant to SCC
Increasing tensile stress
What is the appearance of localized corrosion?
Fine, branching cracks
Consistent material thickness
Even deterioration
Small, deep holes
What is a common preventive measure for galvanic corrosion?
Use of cathodic protection
Application of coatings
Regular inspections
Material degradation
What is the effect of corrosion on materials?
Enhances material strength
Leads to gradual loss of material
Increases material thickness
Prevents chemical reactions
