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CORROSION MCQs

Total Questions : 23 | Page 1 of 3 pages
Question 1. Coating of Zn, Al and Cd on steel are _________ , because their electrode potentials are lower
  1.    Cathodic
  2.    Anodic
  3.    Not affecting
  4.    Expensive
 Discuss Question
Answer: Option B. -> Anodic
Question 2. Which of these is the most effective corrosion-inhibiting coating?
  1.    Zinc phosphate
  2.    Self-etching primer
  3.    Wash primer
  4.    All
 Discuss Question
Answer: Option D. -> All
Question 3. Technician A says that the presence of E-coat on replacement parts should be tested by lightly sanding
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option D. -> Neither A nor B
Question 4. Technician A says that in preparation for welding, E-coat should be removed from the entire butt joint with backing insert
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option C. -> Both A & B
Question 5. Technician A says that vehicle makers may indicate where chip-resistant coating should be applied on a specific vehicle
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option C. -> Both A & B
Question 6. Technician A says that OEM service parts are E-coated similar to assembly line parts
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option C. -> Both A & B
Question 7. Technician A says that solvent-based seam sealers should be restricted from use in the passenger compartment
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option A. -> A only
Question 8. Technician A says that it may be necessary to treat the backside for corrosion at anchor clamp sites
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option C. -> Both A & B
Question 9. Technician A says that some vehicle makers do NOT apply undercoating to the floor pan
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option C. -> Both A & B
Question 10. Technician A says that self-etching primer is required before applying epoxy primer
  1.    A only
  2.    B only
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option B. -> B only

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