NYCHA SUPERVISOR PAINTER WRITTEN EXAM |
QUESTIONS AND 100% CORRECT ANSWERS WITH
RATIONALES | LATEST UPDATE GRADED A+
1. What is the primary purpose of a primer in painting?
A. To add color to the surface
B. To protect the surface from moisture
C. To make the surface glossy
D. To remove old paint
Answer: B – Primers seal the surface and prevent moisture penetration, helping paint adhere
properly and last longer.
2. Which type of paint is most suitable for exterior metal surfaces?
A. Latex
B. Oil-based
C. Watercolor
D. Acrylic
Answer: B – Oil-based paints are durable and resistant to rust and weathering, making them
ideal for metal surfaces.
3. A paint supervisor notices bubbles forming on a newly painted wall. What is the likely
cause?
A. Paint applied too thinly
B. Moisture trapped under paint
C. Using the wrong primer color
D. Paint applied on a smooth surface
Answer: B – Bubbling usually occurs when moisture is trapped beneath the paint layer,
causing it to lift.
4. Which safety equipment is essential when sanding lead-based paint?
A. Gloves only
B. Goggles and respirator
C. Hard hat
D. Earplugs
Answer: B – Lead dust is hazardous; goggles and a respirator protect eyes and lungs from
contamination.
5. What is the recommended method for cleaning brushes after using oil-based paint?
A. Water and soap
B. Mineral spirits or paint thinner
C. Vinegar solution
,D. Ammonia
Answer: B – Mineral spirits or paint thinner dissolve oil-based paints and clean brushes
effectively.
6. Which of the following tools is best for cutting in edges near ceilings?
A. Roller
B. Paintbrush
C. Paint sprayer
D. Sponge
Answer: B – A paintbrush allows precise control along edges and corners.
7. Which factor does not affect paint drying time?
A. Temperature
B. Humidity
C. Brush type
D. Paint thickness
Answer: C – While brush type affects application, drying time is primarily influenced by
environmental conditions and paint thickness.
8. What is the main hazard when using a paint sprayer indoors without ventilation?
A. Skin irritation
B. Inhalation of fumes
C. Noise exposure
D. Paint drips
Answer: B – Paint sprayers release fine particles and fumes that can be toxic if inhaled in
unventilated areas.
9. When preparing a wooden surface for painting, which step is essential?
A. Sanding the surface smooth
B. Applying paint directly
C. Wiping with oil
D. Heating the surface
Answer: A – Sanding ensures smoothness and better adhesion of paint.
10. Which type of paint finish is easiest to clean?
A. Matte
B. Eggshell
C. Semi-gloss
D. Flat
Answer: C – Semi-gloss finishes are more durable and resistant to cleaning compared to flat
or matte finishes.
11. What is the most common cause of paint peeling on exterior walls?
,A. Over-sanding
B. Moisture infiltration
C. Using a roller
D. Paint color selection
Answer: B – Moisture trapped in walls causes the paint to lose adhesion and peel.
12. What does VOC stand for in paints?
A. Volatile Organic Compounds
B. Very Outstanding Coating
C. Viscosity of Oil Coating
D. Variable Oxidation Component
Answer: A – VOCs are chemicals that evaporate from paint and can affect indoor air quality.
13. Which is the correct order when applying paint layers?
A. Finish coat → Primer → Undercoat
B. Primer → Undercoat → Finish coat
C. Undercoat → Finish coat → Primer
D. Finish coat → Undercoat → Primer
Answer: B – Proper painting involves primer first, undercoat second, and finish coat last.
14. A supervisor notices that a wall has uneven gloss after painting. What is the likely
cause?
A. Inconsistent paint application
B. Using primer
C. Painting in proper lighting
D. Wall preparation
Answer: A – Uneven gloss often occurs when paint is applied inconsistently or not properly
spread.
15. Which solvent is safe for cleaning water-based paints?
A. Mineral spirits
B. Turpentine
C. Soap and water
D. Paint thinner
Answer: C – Water-based paints dissolve in soap and water, making cleanup safe and easy.
16. What is the purpose of caulking before painting?
A. To color the gaps
B. To seal gaps and cracks
C. To make the surface shiny
D. To increase drying time
Answer: B – Caulking fills gaps and prevents moisture and air infiltration.
17. Which type of ladder is safest for painting walls?
, A. Step ladder
B. Extension ladder
C. Folding ladder
D. Rope ladder
Answer: A – Step ladders provide stability and are suitable for indoor painting tasks.
18. What is a common reason paint becomes streaky when using a roller?
A. Roller is too dry
B. Roller is too wet
C. Wall is primed
D. Paint is water-based
Answer: A – A dry roller fails to distribute paint evenly, causing streaks.
19. Which paint color tends to show dirt the least?
A. White
B. Medium gray
C. Black
D. Bright yellow
Answer: B – Medium gray hides dirt better than very light or very dark colors.
20. How should paint cans be stored?
A. In direct sunlight
B. Upright in a cool, dry place
C. On their side in a wet area
D. In a heated garage
Answer: B – Proper storage prevents spoilage, maintains consistency, and reduces VOC
evaporation.
21. Which material is most likely to require a stain-blocking primer?
A. Drywall
B. Bare wood with knots
C. Painted metal
D. Plastic
Answer: B – Knots in wood release tannins that can bleed through paint without a stain-
blocking primer.
22. What is the recommended overlap when rolling paint on a wall?
A. 1 inch
B. 3 inches
C. 6 inches
D. 12 inches
Answer: B – A 3-inch overlap ensures consistent coverage and prevents lap marks.
23. Which is the safest way to remove old paint containing lead?
QUESTIONS AND 100% CORRECT ANSWERS WITH
RATIONALES | LATEST UPDATE GRADED A+
1. What is the primary purpose of a primer in painting?
A. To add color to the surface
B. To protect the surface from moisture
C. To make the surface glossy
D. To remove old paint
Answer: B – Primers seal the surface and prevent moisture penetration, helping paint adhere
properly and last longer.
2. Which type of paint is most suitable for exterior metal surfaces?
A. Latex
B. Oil-based
C. Watercolor
D. Acrylic
Answer: B – Oil-based paints are durable and resistant to rust and weathering, making them
ideal for metal surfaces.
3. A paint supervisor notices bubbles forming on a newly painted wall. What is the likely
cause?
A. Paint applied too thinly
B. Moisture trapped under paint
C. Using the wrong primer color
D. Paint applied on a smooth surface
Answer: B – Bubbling usually occurs when moisture is trapped beneath the paint layer,
causing it to lift.
4. Which safety equipment is essential when sanding lead-based paint?
A. Gloves only
B. Goggles and respirator
C. Hard hat
D. Earplugs
Answer: B – Lead dust is hazardous; goggles and a respirator protect eyes and lungs from
contamination.
5. What is the recommended method for cleaning brushes after using oil-based paint?
A. Water and soap
B. Mineral spirits or paint thinner
C. Vinegar solution
,D. Ammonia
Answer: B – Mineral spirits or paint thinner dissolve oil-based paints and clean brushes
effectively.
6. Which of the following tools is best for cutting in edges near ceilings?
A. Roller
B. Paintbrush
C. Paint sprayer
D. Sponge
Answer: B – A paintbrush allows precise control along edges and corners.
7. Which factor does not affect paint drying time?
A. Temperature
B. Humidity
C. Brush type
D. Paint thickness
Answer: C – While brush type affects application, drying time is primarily influenced by
environmental conditions and paint thickness.
8. What is the main hazard when using a paint sprayer indoors without ventilation?
A. Skin irritation
B. Inhalation of fumes
C. Noise exposure
D. Paint drips
Answer: B – Paint sprayers release fine particles and fumes that can be toxic if inhaled in
unventilated areas.
9. When preparing a wooden surface for painting, which step is essential?
A. Sanding the surface smooth
B. Applying paint directly
C. Wiping with oil
D. Heating the surface
Answer: A – Sanding ensures smoothness and better adhesion of paint.
10. Which type of paint finish is easiest to clean?
A. Matte
B. Eggshell
C. Semi-gloss
D. Flat
Answer: C – Semi-gloss finishes are more durable and resistant to cleaning compared to flat
or matte finishes.
11. What is the most common cause of paint peeling on exterior walls?
,A. Over-sanding
B. Moisture infiltration
C. Using a roller
D. Paint color selection
Answer: B – Moisture trapped in walls causes the paint to lose adhesion and peel.
12. What does VOC stand for in paints?
A. Volatile Organic Compounds
B. Very Outstanding Coating
C. Viscosity of Oil Coating
D. Variable Oxidation Component
Answer: A – VOCs are chemicals that evaporate from paint and can affect indoor air quality.
13. Which is the correct order when applying paint layers?
A. Finish coat → Primer → Undercoat
B. Primer → Undercoat → Finish coat
C. Undercoat → Finish coat → Primer
D. Finish coat → Undercoat → Primer
Answer: B – Proper painting involves primer first, undercoat second, and finish coat last.
14. A supervisor notices that a wall has uneven gloss after painting. What is the likely
cause?
A. Inconsistent paint application
B. Using primer
C. Painting in proper lighting
D. Wall preparation
Answer: A – Uneven gloss often occurs when paint is applied inconsistently or not properly
spread.
15. Which solvent is safe for cleaning water-based paints?
A. Mineral spirits
B. Turpentine
C. Soap and water
D. Paint thinner
Answer: C – Water-based paints dissolve in soap and water, making cleanup safe and easy.
16. What is the purpose of caulking before painting?
A. To color the gaps
B. To seal gaps and cracks
C. To make the surface shiny
D. To increase drying time
Answer: B – Caulking fills gaps and prevents moisture and air infiltration.
17. Which type of ladder is safest for painting walls?
, A. Step ladder
B. Extension ladder
C. Folding ladder
D. Rope ladder
Answer: A – Step ladders provide stability and are suitable for indoor painting tasks.
18. What is a common reason paint becomes streaky when using a roller?
A. Roller is too dry
B. Roller is too wet
C. Wall is primed
D. Paint is water-based
Answer: A – A dry roller fails to distribute paint evenly, causing streaks.
19. Which paint color tends to show dirt the least?
A. White
B. Medium gray
C. Black
D. Bright yellow
Answer: B – Medium gray hides dirt better than very light or very dark colors.
20. How should paint cans be stored?
A. In direct sunlight
B. Upright in a cool, dry place
C. On their side in a wet area
D. In a heated garage
Answer: B – Proper storage prevents spoilage, maintains consistency, and reduces VOC
evaporation.
21. Which material is most likely to require a stain-blocking primer?
A. Drywall
B. Bare wood with knots
C. Painted metal
D. Plastic
Answer: B – Knots in wood release tannins that can bleed through paint without a stain-
blocking primer.
22. What is the recommended overlap when rolling paint on a wall?
A. 1 inch
B. 3 inches
C. 6 inches
D. 12 inches
Answer: B – A 3-inch overlap ensures consistent coverage and prevents lap marks.
23. Which is the safest way to remove old paint containing lead?
