Practice Test Questions And Correct Answers
(Verified Answers) Plus Rationales 2025/2026
Q&A | Instant Download Pdf
1. What is the minimum surface preparation required before painting over
previously painted wood?
a) Wipe with water
b) Apply primer directly
c) Clean, sand, and remove loose paint
d) Spray with solvent
Proper adhesion requires removing loose material and sanding to a
smooth surface before priming.
2. Which paint is best suited for high-moisture areas like bathrooms?
a) Flat latex
b) Semi-gloss or gloss enamel
c) Alkyd flat
d) Limewash
Gloss and semi-gloss enamels resist moisture and are easier to clean.
,3. What is the primary purpose of applying primer before painting?
a) To add color
b) To improve adhesion and seal the surface
c) To add texture
d) To dry faster
Primer seals porous surfaces and enhances paint adhesion for durability.
4. Which OSHA regulation primarily governs worker safety for painting
contractors?
a) 1926.200
b) 29 CFR 1926
c) 1910.212
d) 40 CFR 261
Painting contractors fall under OSHA’s construction industry regulations,
primarily 29 CFR 1926.
5. What is the recommended relative humidity for interior painting?
a) 10–20%
b) 25–35%
c) 40–70%
d) 80–100%
High humidity slows drying and may cause adhesion issues; ideal is 40–
70%.
6. When spraying solvent-based paints indoors, what equipment is required?
a) Dust mask
b) Respirator with organic vapor cartridges
, c) Cotton mask
d) No PPE
Solvent fumes require respirators to prevent inhalation of harmful vapors.
7. What type of brush is best for applying oil-based paints?
a) Nylon
b) Polyester
c) Natural bristle
d) Foam
Natural bristle brushes hold oil-based paint better and provide smoother
finishes.
8. What should be done if lead-based paint is encountered on a project?
a) Scrape and sand
b) Wash with solvent
c) Follow EPA RRP (Renovation, Repair, and Painting) guidelines
d) Paint over directly
Federal law requires EPA RRP compliance when disturbing lead paint in
homes built before 1978.
9. Which type of paint is most UV-resistant for exterior surfaces?
a) Oil-based flat
b) Acrylic latex
c) Alkyd enamel
d) Stain
Acrylic latex resists UV degradation better than oil-based coatings.