FDNY S-92 (FUELS) QUESTIONS AND ANSWERS 2026/2027

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