FREE PCS Surface Preparation Questions and Answers

Question 1

Which method is commonly used to remove rust and old coatings from a metal surface before applying a new protective coating?

Accepted Answer

Abrasive blasting

Answer

Power washing

Answer

Solvent wiping

Answer

Hand sanding

Question 2

Why is surface profile important in protective coatings application?

Accepted Answer

Ensures proper coating adhesion

Answer

Improves gloss finish

Answer

Increases drying time

Answer

Reduces coating thickness

Question 3

Which standard is commonly used to classify cleanliness levels for abrasive blasting?

Accepted Answer

SSPC/NACE

Answer

ASTM D3359

Answer

ISO 9001

Answer

NFPA 704

Question 4

What is the main purpose of solvent cleaning before coating application?

Accepted Answer

Removes contaminants for better adhesion

Answer

Enhances coating gloss

Answer

Increases drying time

Answer

Prepares for mechanical etching

Question 5

Which type of abrasive material is commonly used for blasting in surface preparation?

Accepted Answer

Garnet

Answer

Silica sand

Answer

Steel wool

Answer

Copper slag

Question 6

Why is humidity control important during surface preparation for coatings?

Accepted Answer

Prevents flash rusting

Answer

Reduces drying time

Answer

Enhances coating gloss

Answer

Speeds up curing