FDNY S-92 ACTUAL QUESTIONS AND ANSWERS 2024
The following are types of what? LPG, CNG, piped natural gas or solid fuel (coke).
Portable fueled salamanders/space heaters
National Institute for Occupational Safety and Health (NIOSH) Recommended
Exposure Limit (REL) for carbon monoxide
35 part...
The following are types of what? LPG, CNG, piped natural gas or solid fuel (coke).
Portable fueled salamanders/space heaters
National Institute for Occupational Safety and Health (NIOSH) Recommended
Exposure Limit (REL) for carbon monoxide
35 parts per million (ppm) over an 8 hour period
What is the third leading cause of fires in buildings under
construction ?
temporary heating
What is direct heat flow through matter?
CONDUCTION
What is the transport of heat within a gas or liquid caused by the
actual flow of the material itself
CONVECTION
the transmission of electromagnetic rays through space.
Radiation
Heaters that release all of the heat generated by the flame (and the
emissions that result) directly into the heated area
Direct-fired heaters
What are the most common type of heater found at construction
sites?
Direct-fired heaters
, The flame of this heater is enclosed in a heat exchanger that separates combustion products
from the air to be heated.
Indirect-Fired Heaters
When may portable oil-fueled space heaters be stored, handled and used at
construction sites
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.
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.
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
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).
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
LOWER FLAMMABLE LIMIT (LFL)
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