FDNY S-93 Question and Answer [2026/2027]
| UPDATED ACTUAL Exam | A+ Verified
• Site-specific permit -✓✓ authorizes the permit holder to store, handle and use
flammable and
combustible liquids at a specific premises
• Permanent permit -✓✓ valid for 12 months
only. Every permit or renewal shall require an inspection and shall expire after twelve
months
• Temporary permit -✓✓ may be valid from one day to 12 months depending on the
construction/operation needed. For example, a 3-month temporary permit may be
issued to a construction site.
• citywide permit -✓✓ is valid to store, handle, use, sell or
transport hazardous materials or to conduct an operation at one or more locations
provided the duration of such activity at any individual location does not exceed 30
days.
• a permit is required to -✓✓ To store, handle or use amounts of Class I liquids, other
than paints, varnishes,
lacquers, gasoline and other petroleum-based Class I liquids, in excess of 5 gallons,
except that a permit is not required for the storage or use of Class I liquids in the
fuel tank of a motor vehicle, aircraft, or watercraft
• a permit is required to -✓✓ store, handle or use amounts of gasoline and other
petroleum-based Class I
liquids other than paints, varnishes and lacquers, in excess of 2½ gallons,
• permit needed to -✓✓ store, handle or use amounts in excess of 20 gallons of Class I,
Class II or
Class III liquids having a flash point of 300°F or less that are commonly used for
painting, varnishing, staining or other similar purposes,
• permit required -✓✓ To store, handle or use amounts in excess of 70 gallons of
petroleum based
Class III liquids with a flash point exceeding 300°F
• flammable liquids -✓✓ Class I A, I B, and I C are examples of
• Combustible liquids -✓✓ Class II, III A, IIIB
, • CARGO TANK -✓✓ A vehicle other than a railroad tank car or marine vessel, with a
tank
mounted thereon or built as an integral part thereof, used for the transportation of
flammable or combustible liquids, LPG or other hazardous materials, including
selfpropelled
vehicles and full trailers and semi-trailers, with or without motive power, and
carrying part or all of the load.
• COMBUSTIBLE LIQUID -✓✓ Class II. Liquids having a closed cup flash point at or
above 100°F (38°C) and below
140°F (60°C).
Class IIIA. Liquids having a closed cup flash point at or above 140°F (60°C) and
below 200°F (93°C).
Class IIIB. Liquids having closed cup flash points at or above 200°F (93°C).
• CONTAINER. -✓✓ For solid and liquid hazardous materials, a vessel of 60 gallons
(227 L) or
less in capacity used for storage or transportation. For compressed gases, a cylinder,
pressure vessel or tank designed for pressures greater than one atmosphere at 68°F
(20ºC).
• DISPENSING -✓✓ The pouring or transferring by other means of any material from a
container, tank or similar vessel, which would release dusts, fumes, mists, vapors or
gases to the atmosphere, unless such release is prevented by a device, equipment or
system designed for that purpose
• FLAMMABLE AND COMBUSTIBLE LIQUID STORAGE SYSTEM -✓✓ A flammable or
combustible liquid storage tank and all devices, equipment and systems associated with
such tank, including the tank, piping, valves, fill connection, vent lines, pumps and any
other ancillary equipment, except liquid motor fuel storage and dispensing systems and
flammable and combustible liquid storage systems at a bulk plant or terminal used for
bulk transfer operations.
• FLAMMABLE LIQUID -✓✓ Class IA. Liquids having a flash point below 73°F (23°C)
and having a boiling point
below 100°F (38°C).
Class IB. Liquids having a flash point below 73°F (23°C) and having a boiling point at
or above 100°F (38°C).
Class IC. Liquids having a flash point at or above 73°F (23°C) and below 100°F (38°C).
• FLASH POINT -✓✓ The minimum temperature in degrees Fahrenheit at which a liquid
will
give off sufficient vapors to form an ignitable mixture with air near the surface or in the
container, but will not sustain combustion
| UPDATED ACTUAL Exam | A+ Verified
• Site-specific permit -✓✓ authorizes the permit holder to store, handle and use
flammable and
combustible liquids at a specific premises
• Permanent permit -✓✓ valid for 12 months
only. Every permit or renewal shall require an inspection and shall expire after twelve
months
• Temporary permit -✓✓ may be valid from one day to 12 months depending on the
construction/operation needed. For example, a 3-month temporary permit may be
issued to a construction site.
• citywide permit -✓✓ is valid to store, handle, use, sell or
transport hazardous materials or to conduct an operation at one or more locations
provided the duration of such activity at any individual location does not exceed 30
days.
• a permit is required to -✓✓ To store, handle or use amounts of Class I liquids, other
than paints, varnishes,
lacquers, gasoline and other petroleum-based Class I liquids, in excess of 5 gallons,
except that a permit is not required for the storage or use of Class I liquids in the
fuel tank of a motor vehicle, aircraft, or watercraft
• a permit is required to -✓✓ store, handle or use amounts of gasoline and other
petroleum-based Class I
liquids other than paints, varnishes and lacquers, in excess of 2½ gallons,
• permit needed to -✓✓ store, handle or use amounts in excess of 20 gallons of Class I,
Class II or
Class III liquids having a flash point of 300°F or less that are commonly used for
painting, varnishing, staining or other similar purposes,
• permit required -✓✓ To store, handle or use amounts in excess of 70 gallons of
petroleum based
Class III liquids with a flash point exceeding 300°F
• flammable liquids -✓✓ Class I A, I B, and I C are examples of
• Combustible liquids -✓✓ Class II, III A, IIIB
, • CARGO TANK -✓✓ A vehicle other than a railroad tank car or marine vessel, with a
tank
mounted thereon or built as an integral part thereof, used for the transportation of
flammable or combustible liquids, LPG or other hazardous materials, including
selfpropelled
vehicles and full trailers and semi-trailers, with or without motive power, and
carrying part or all of the load.
• COMBUSTIBLE LIQUID -✓✓ Class II. Liquids having a closed cup flash point at or
above 100°F (38°C) and below
140°F (60°C).
Class IIIA. Liquids having a closed cup flash point at or above 140°F (60°C) and
below 200°F (93°C).
Class IIIB. Liquids having closed cup flash points at or above 200°F (93°C).
• CONTAINER. -✓✓ For solid and liquid hazardous materials, a vessel of 60 gallons
(227 L) or
less in capacity used for storage or transportation. For compressed gases, a cylinder,
pressure vessel or tank designed for pressures greater than one atmosphere at 68°F
(20ºC).
• DISPENSING -✓✓ The pouring or transferring by other means of any material from a
container, tank or similar vessel, which would release dusts, fumes, mists, vapors or
gases to the atmosphere, unless such release is prevented by a device, equipment or
system designed for that purpose
• FLAMMABLE AND COMBUSTIBLE LIQUID STORAGE SYSTEM -✓✓ A flammable or
combustible liquid storage tank and all devices, equipment and systems associated with
such tank, including the tank, piping, valves, fill connection, vent lines, pumps and any
other ancillary equipment, except liquid motor fuel storage and dispensing systems and
flammable and combustible liquid storage systems at a bulk plant or terminal used for
bulk transfer operations.
• FLAMMABLE LIQUID -✓✓ Class IA. Liquids having a flash point below 73°F (23°C)
and having a boiling point
below 100°F (38°C).
Class IB. Liquids having a flash point below 73°F (23°C) and having a boiling point at
or above 100°F (38°C).
Class IC. Liquids having a flash point at or above 73°F (23°C) and below 100°F (38°C).
• FLASH POINT -✓✓ The minimum temperature in degrees Fahrenheit at which a liquid
will
give off sufficient vapors to form an ignitable mixture with air near the surface or in the
container, but will not sustain combustion
