Painting and Coating Flashcards
6 cards from real Other Skilled Trades practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Painting and Coating flashcards as text
What does VOC stand for in the context of paints and coatings?
Answer: Volatile Organic Compound
VOC stands for Volatile Organic Compound — solvents that evaporate from paint as it dries, contributing to air pollution and regulated by the EPA.
What is the purpose of a primer coat before applying finish paint?
Answer: To provide adhesion, seal the substrate, and improve topcoat performance
Primer seals porous surfaces, provides a chemically bonded anchor for the topcoat, and can block stains, ensuring better adhesion and durability of the finish coat.
Which paint sheen level is most durable and easiest to clean, commonly used in kitchens and bathrooms?
Answer: Semi-gloss or Gloss
Semi-gloss and gloss sheens are the most durable and washable, making them ideal for high-moisture, high-traffic areas like kitchens, bathrooms, and trim.
What is the correct surface preparation step before painting bare wood trim?
Answer: Sand, prime with appropriate primer, then apply finish coats
Bare wood must be sanded smooth, then primed with a wood primer to seal the grain and provide adhesion before applying finish coats.
Which type of paint thinner is used with oil-based paints and alkyd coatings?
Answer: Mineral spirits or paint thinner
Oil-based paints and alkyd coatings are thinned and cleaned up with mineral spirits or paint thinner, as water will not mix with oil-based products.
What does 'mil' mean when specifying paint coating thickness?
Answer: One-thousandth of an inch
In coatings, a 'mil' equals one-thousandth of an inch (0.001 inch), the standard unit for measuring dry film thickness of paint and coatings.