Examination Questions And Correct

FDNY A-49 Certificate of Fitness Supervision of Aerosols Practice Examination Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• Which of the following defines a Level 1 aerosol?
• Flammable aerosol with >85% flammable content
• Water-based, nonflammable aerosol
• Combustible aerosol with ≥50% propane
• Any aerosol stored outdoors

Answer: B

Rationale: Level 1 aerosols are nonflammable, typically water-based or

inert formulations.

• Level 2 aerosols are generally characterized by: 1 / 4

• No flammable propellant
• Extremely flammable contents
• Limited flammable content but still capable of burning
• Liquids with flashpoint <20°F

Answer: C

Rationale: Level 2 aerosols contain some flammable components but are

not classified as the highest-hazard Level 3 aerosols.

3. Level 3 aerosols are defined primarily by:

• Plastic containers
• Nonflammable propellants
• Extremely flammable propellant or contents
• Being stored in cold environments

Answer: C

Rationale: Level 3 aerosols present the highest fire hazard due to highly

flammable ingredients.

• The maximum allowable quantity of Level 3 aerosols in a retail area is

governed by:

• FDNY rules and the NYC Fire Code
• Manufacturer recommendations
• Employee preference
• Temperature outdoors

Answer: A 2 / 4

Rationale: Storage limitations are strictly controlled by FDNY and NYC Fire

Code to reduce fire risk.

• Which sign must be posted in aerosol storage rooms?
• No cell phones
• Keep refrigerated
• Authorized personnel only
• Fire Department permit required

Answer: C

Rationale: Restricted access is required because aerosol storage

constitutes a hazardous material area.

• Which type of protection is required for an aerosol storage room

exceeding MAQ?

• Battery-operated smoke alarms
• Springs in the ceiling
• Fire-rated enclosure and automatic sprinklers
• Carbon monoxide detectors

Answer: C

Rationale: Rooms storing hazardous quantities require rated construction

and automatic fire suppression.

7. When supervising aerosols, the Certificate of Fitness holder must:

• Only visit once per week
• Maintain onsite presence whenever operations occur 3 / 4

• Work offsite and check remotely
• Call FDNY monthly

Answer: B

Rationale: Supervision requires physical presence during operations to

respond immediately to hazards.

8. A “cartoned aerosol” is:

• Aerosol with fragile valves
• Aerosol sealed inside an outer carton
• Aerosol missing a cap
• Broken or leaking aerosol

Answer: B

Rationale: Cartoned aerosols are boxed, providing extra protection and

influencing allowable storage amounts.

9. A “noncartoned aerosol” refers to:

• Aerosols with plastic containers
• Aerosols stored loose or individually exposed
• Expired aerosols
• Aerosols without propellant

Answer: B

Rationale: Noncartoned aerosols are not packaged in boxes, increasing

their fire exposure risk.

• The Certificate of Fitness A-49 authorizes an individual to:
• / 4