NYC NYCHA SUPERVISOR PAINTER
EXAM STUDY GUIDE 2026/2027
1. When preparing a previously painted masonry surface showing signs of efflorescence, what
is the most critical step before applying a new coating?
A. Applying a high-gloss alkyd enamel immediately
B. Using a heavy-duty power sander to smooth the surface
C. Covering the area with two coats of oil-based primer
D. Cleaning with a wire brush and treating with a mild phosphoric acid solution
Answer: D
Conceptual Explanation: Efflorescence is caused by salt deposits. It must be mechanically
removed and the surface neutralized (often with a mild acid) to prevent the salts from
pushing the new paint off.
2. According to OSHA standards, what is the required ratio for the placement of an extension
ladder against a wall?
A. 1 foot out for every 4 feet of height
B. 1 foot out for every 5 feet of height
,C. 1 foot out for every 3 feet of height
D. 1 foot out for every 2 feet of height
Answer: A
Conceptual Explanation: The OSHA 4-to-1 rule requires that for every four feet of height,
the base of the ladder should be one foot away from the wall.
3. In NYCHA facilities, what is the primary purpose of a ‘Sealant’ when applied to a porous
substrate?
A. To provide a decorative high-sheen finish
B. To replace the need for sanding between coats
C. To increase the drying time of the subsequent layers
D. To reduce the suction of the surface and ensure uniform topcoat appearance
Answer: D
Conceptual Explanation: Sealants or primers-sealers prevent the substrate from
absorbing the binder of the finish coat, which would otherwise result in a ‘flashing’ or
uneven finish.
4. Which of the following defects is characterized by the formation of small, deep, bubble-like
holes in the paint film, often caused by trapped air or solvent?
A. Alligatoring
B. Pinholing
, C. Chalking
D. Saponification
Answer: B
Conceptual Explanation: Pinholing occurs when air bubbles or solvent vapors escape
through the wet film, leaving tiny craters behind.
5. When supervising a crew using airless spray equipment, what is the most dangerous safety
hazard specific to this tool?
A. Noise-induced hearing loss
B. Tripping over the air hose
C. High-pressure injection injuries
D. Over-spray on adjacent windows
Answer: C
Conceptual Explanation: High-pressure injection can force paint into the bloodstream or
deep tissues, which is a medical emergency requiring immediate surgery.
6. What is the maximum height a worker can stand on a stepladder according to standard
safety protocols?
A. The very top cap
B. The third step from the top
C. The fourth step from the top
EXAM STUDY GUIDE 2026/2027
1. When preparing a previously painted masonry surface showing signs of efflorescence, what
is the most critical step before applying a new coating?
A. Applying a high-gloss alkyd enamel immediately
B. Using a heavy-duty power sander to smooth the surface
C. Covering the area with two coats of oil-based primer
D. Cleaning with a wire brush and treating with a mild phosphoric acid solution
Answer: D
Conceptual Explanation: Efflorescence is caused by salt deposits. It must be mechanically
removed and the surface neutralized (often with a mild acid) to prevent the salts from
pushing the new paint off.
2. According to OSHA standards, what is the required ratio for the placement of an extension
ladder against a wall?
A. 1 foot out for every 4 feet of height
B. 1 foot out for every 5 feet of height
,C. 1 foot out for every 3 feet of height
D. 1 foot out for every 2 feet of height
Answer: A
Conceptual Explanation: The OSHA 4-to-1 rule requires that for every four feet of height,
the base of the ladder should be one foot away from the wall.
3. In NYCHA facilities, what is the primary purpose of a ‘Sealant’ when applied to a porous
substrate?
A. To provide a decorative high-sheen finish
B. To replace the need for sanding between coats
C. To increase the drying time of the subsequent layers
D. To reduce the suction of the surface and ensure uniform topcoat appearance
Answer: D
Conceptual Explanation: Sealants or primers-sealers prevent the substrate from
absorbing the binder of the finish coat, which would otherwise result in a ‘flashing’ or
uneven finish.
4. Which of the following defects is characterized by the formation of small, deep, bubble-like
holes in the paint film, often caused by trapped air or solvent?
A. Alligatoring
B. Pinholing
, C. Chalking
D. Saponification
Answer: B
Conceptual Explanation: Pinholing occurs when air bubbles or solvent vapors escape
through the wet film, leaving tiny craters behind.
5. When supervising a crew using airless spray equipment, what is the most dangerous safety
hazard specific to this tool?
A. Noise-induced hearing loss
B. Tripping over the air hose
C. High-pressure injection injuries
D. Over-spray on adjacent windows
Answer: C
Conceptual Explanation: High-pressure injection can force paint into the bloodstream or
deep tissues, which is a medical emergency requiring immediate surgery.
6. What is the maximum height a worker can stand on a stepladder according to standard
safety protocols?
A. The very top cap
B. The third step from the top
C. The fourth step from the top
