Question 1
Question detail
What is barrier protection in terms of preventing corrosion?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using materials
Question
- A. Using a more reactive metal to corrode instead of the metal being protected
- B. Applying a coating to prevent exposure to air and water
- C. Using a less reactive metal to protect the metal being corroded
- D. Removing the metal from the environment
Answer
Applying a coating to prevent exposure to air and water
Explanation
Barrier protection involves applying a coating such as paint or grease to prevent the metal from coming into contact with air and water, which are necessary for corrosion.
Common mistake
Confusing Protection Methods
Students often confuse barrier protection with sacrificial protection, thinking they are the same.
Remember that barrier protection involves covering the metal with a protective layer (like paint or grease), while sacrificial protection involves using a more reactive metal that corrodes instead of the iron.
Related flashcards
Flashcard 1 of 5
Press Space to flip, arrows to move
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.
0 of 4 attempted