FDNY S-92 EXAM STUDY GUIDE 2026
QUESTIONS WITH FULL SOLUTIONS
◉ National Institute for Occupational Safety and Health (NIOSH)
Recommended
Exposure Limit (REL) for carbon monoxide Answer: 35 parts per
million (ppm) over an 8 hour period
◉ What is the third leading cause of fires in buildings under
construction ? Answer: temporary heating
◉ What is direct heat flow through matter? Answer: CONDUCTION
◉ What is the transport of heat within a gas or liquid caused by the
actual flow of the material itself Answer: CONVECTION
◉ the transmission of electromagnetic rays through space. Answer:
Radiation
◉ Heaters that release all of the heat generated by the flame (and
the
,emissions that result) directly into the heated area Answer: Direct-
fired heaters
◉ What are the most common type of heater found at construction
sites? Answer: Direct-fired heaters
◉ The flame of this heater is enclosed in a heat exchanger that
separates combustion products from the air to be heated. Answer:
Indirect-Fired Heaters
◉ When may portable oil-fueled space heaters be stored, handled
and used at
construction sites Answer: only during the heating season (October
15th - May 30th).
◉ A fail-safe system or other approved device,
equipment or system designed to shut off flow caused by a rupture
in a
pressurized piping system. Answer: EXCESS FLOW CONTROL
◉ A liquefied compressed gas which, under a charged pressure, is
partially liquid at a temperature of 68°F (20°C) and which is a
flammable gas. Answer: FLAMMABLE LIQUEFIED GAS
, ◉ supervision by the holder of any department certificate who is
responsible but need not be personally present on the premises at
all times Answer: GENERAL SUPERVISION
◉ A material having a melting point that is equal to or less than 68°F
(20°C) and a boiling point that is greater than 68°F (20°C) at 14.7
psia (101
kpa). Answer: LIQUID
◉ The minimum concentration of vapor in
air at which propagation of flame will occur in the presence of an
ignition
source. The LFL is sometimes referred to as LEL or lower explosive
limit Answer: LOWER FLAMMABLE LIMIT (LFL)
◉ The transfer of flammable or combustible liquids
between cargo tanks or tank cars and containers, tanks piping and
other
equipment that is to be used in process operations. Answer:
PROCESS TRANSFER
◉ what shall be on
site and available for inspection at all times? Answer: All FDNY
original permits
QUESTIONS WITH FULL SOLUTIONS
◉ National Institute for Occupational Safety and Health (NIOSH)
Recommended
Exposure Limit (REL) for carbon monoxide Answer: 35 parts per
million (ppm) over an 8 hour period
◉ What is the third leading cause of fires in buildings under
construction ? Answer: temporary heating
◉ What is direct heat flow through matter? Answer: CONDUCTION
◉ What is the transport of heat within a gas or liquid caused by the
actual flow of the material itself Answer: CONVECTION
◉ the transmission of electromagnetic rays through space. Answer:
Radiation
◉ Heaters that release all of the heat generated by the flame (and
the
,emissions that result) directly into the heated area Answer: Direct-
fired heaters
◉ What are the most common type of heater found at construction
sites? Answer: Direct-fired heaters
◉ The flame of this heater is enclosed in a heat exchanger that
separates combustion products from the air to be heated. Answer:
Indirect-Fired Heaters
◉ When may portable oil-fueled space heaters be stored, handled
and used at
construction sites Answer: only during the heating season (October
15th - May 30th).
◉ A fail-safe system or other approved device,
equipment or system designed to shut off flow caused by a rupture
in a
pressurized piping system. Answer: EXCESS FLOW CONTROL
◉ A liquefied compressed gas which, under a charged pressure, is
partially liquid at a temperature of 68°F (20°C) and which is a
flammable gas. Answer: FLAMMABLE LIQUEFIED GAS
, ◉ supervision by the holder of any department certificate who is
responsible but need not be personally present on the premises at
all times Answer: GENERAL SUPERVISION
◉ A material having a melting point that is equal to or less than 68°F
(20°C) and a boiling point that is greater than 68°F (20°C) at 14.7
psia (101
kpa). Answer: LIQUID
◉ The minimum concentration of vapor in
air at which propagation of flame will occur in the presence of an
ignition
source. The LFL is sometimes referred to as LEL or lower explosive
limit Answer: LOWER FLAMMABLE LIMIT (LFL)
◉ The transfer of flammable or combustible liquids
between cargo tanks or tank cars and containers, tanks piping and
other
equipment that is to be used in process operations. Answer:
PROCESS TRANSFER
◉ what shall be on
site and available for inspection at all times? Answer: All FDNY
original permits
