FDNY S-92 2025 update|comprehensive questions and verified answers
(complete solutions) GRADE A+!!
The following are types of what? LPG,
Portable fueled salamanders/space
CNG, piped natural gas or solid fuel
heaters
(coke).
National Institute for Occupational Safety
35 parts per million (ppm) over an 8 hour and Health (NIOSH) Recommended
period Exposure Limit (REL) for carbon monox-
ide
What is the third leading cause of fires in
temporary heating buildings under
construction ?
CONDUCTION What is direct heat flow through matter?
What is the transport of heat within a gas
CONVECTION or liquid caused by the
actual flow of the material itself
the transmission of electromagnetic rays
Radiation
through space.
Heaters that release all of the heat gen-
erated by the flame (and the
Direct-fired heaters
emissions that result) directly into the
heated area
What are the most common type of
Direct-fired heaters heater found at construction
sites?
The flame of this heater is enclosed in a
Indirect-Fired Heaters heat exchanger that separates combus-
tion products from the air to be heated.
When may portable oil-fueled space
only during the heating season (October
heaters be stored, handled and used at
15th - May 30th).
construction sites
A fail-safe system or other approved de-
vice,
EXCESS FLOW CONTROL equipment or system designed to shut off
flow caused by a rupture in a
pressurized piping system.
FLAMMABLE LIQUEFIED GAS 1/9
, FDNY S-92 2025 update|comprehensive questions and verified answers
(complete solutions) GRADE A+!!
A liquefied compressed gas which, un-
der a charged pressure, is partially liq-
uid at a temperature of 68°F (20°C) and
which is a flammable gas.
supervision by the holder of any depart-
ment certificate who is responsible but
GENERAL SUPERVISION
need not be personally present on the
premises at all times
A material having a melting point that is
equal to or less than 68°F (20°C) and
LIQUID a boiling point that is greater than 68°F
(20°C) at 14.7 psia (101
kpa).
The minimum concentration of vapor in
air at which propagation of flame will oc-
LOWER FLAMMABLE LIMIT (LFL) cur in the presence of an ignition
source. The LFL is sometimes referred to
as LEL or lower explosive limit
The transfer of flammable or combustible
liquids
between cargo tanks or tank cars and
PROCESS TRANSFER
containers, tanks piping and other
equipment that is to be used in process
operations.
what shall be on
All FDNY original permits site and available for inspection at all
times?
A method of supervision by the holder
who is
PERSONAL SUPERVISION
required to be personally present on the
premises
Portable fueled space heaters can be
gaseous, liquid or solid fuels
fueled using
solid-fuel open-flame-heaters. Solid fueled salamanders
2/9
(complete solutions) GRADE A+!!
The following are types of what? LPG,
Portable fueled salamanders/space
CNG, piped natural gas or solid fuel
heaters
(coke).
National Institute for Occupational Safety
35 parts per million (ppm) over an 8 hour and Health (NIOSH) Recommended
period Exposure Limit (REL) for carbon monox-
ide
What is the third leading cause of fires in
temporary heating buildings under
construction ?
CONDUCTION What is direct heat flow through matter?
What is the transport of heat within a gas
CONVECTION or liquid caused by the
actual flow of the material itself
the transmission of electromagnetic rays
Radiation
through space.
Heaters that release all of the heat gen-
erated by the flame (and the
Direct-fired heaters
emissions that result) directly into the
heated area
What are the most common type of
Direct-fired heaters heater found at construction
sites?
The flame of this heater is enclosed in a
Indirect-Fired Heaters heat exchanger that separates combus-
tion products from the air to be heated.
When may portable oil-fueled space
only during the heating season (October
heaters be stored, handled and used at
15th - May 30th).
construction sites
A fail-safe system or other approved de-
vice,
EXCESS FLOW CONTROL equipment or system designed to shut off
flow caused by a rupture in a
pressurized piping system.
FLAMMABLE LIQUEFIED GAS 1/9
, FDNY S-92 2025 update|comprehensive questions and verified answers
(complete solutions) GRADE A+!!
A liquefied compressed gas which, un-
der a charged pressure, is partially liq-
uid at a temperature of 68°F (20°C) and
which is a flammable gas.
supervision by the holder of any depart-
ment certificate who is responsible but
GENERAL SUPERVISION
need not be personally present on the
premises at all times
A material having a melting point that is
equal to or less than 68°F (20°C) and
LIQUID a boiling point that is greater than 68°F
(20°C) at 14.7 psia (101
kpa).
The minimum concentration of vapor in
air at which propagation of flame will oc-
LOWER FLAMMABLE LIMIT (LFL) cur in the presence of an ignition
source. The LFL is sometimes referred to
as LEL or lower explosive limit
The transfer of flammable or combustible
liquids
between cargo tanks or tank cars and
PROCESS TRANSFER
containers, tanks piping and other
equipment that is to be used in process
operations.
what shall be on
All FDNY original permits site and available for inspection at all
times?
A method of supervision by the holder
who is
PERSONAL SUPERVISION
required to be personally present on the
premises
Portable fueled space heaters can be
gaseous, liquid or solid fuels
fueled using
solid-fuel open-flame-heaters. Solid fueled salamanders
2/9
