TCFP test Fire Investigator – Challenger with correct Answers

Is NFPA 921 a guide or a standard? - It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? - Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? - Analyze the data What step of the scientific method is deductive reasoning? - Test the hypothesis What are the four parts of the fire tetrahedron? - Fuel (reducing agent) Heat Oxidizing agent Uninhibited chemical chain reaction What kind of reaction absorbs energy, an endothermic or an exothermic reaction? - Endothermic What is heat transfer by direct contact called? - Conduction What is heat transfer by gas flow / air movement called? - Convection What is heat transfer by microwave energy called? - Radiation What is a fuel controlled fire? - A fire that is limited by the amount of combustibles. What is a ventilation controlled fire? - A fire that is limited by the amount of oxygen. What are the stages of fire growth? - Ignition Growth Flashover Fully Developed Decay What is a flashover? - The transition phase from growth to fully developed, where all surfaces reach ignition temperature almost simultaneously. What is ignition of the underside of the hot gas layer called? - Flameover or rollover What factors influence flashover conditions? - Size of the compartment Height of ceiling Ventilation Amount of fuel Layout of fuel Location of fire in the compartment What are fire patterns? - The physical manifestation of the affects of fire on materials. What are the different types of fire patterns on the walls and ceiling? - Plume Generated patterns (often V shaped) Ventilation generated patterns Hot gas layer patterns (Line of demarcation) What is spalling? - The separation of chunks of concrete with explosive force caused by the expansion of water (moisture) trapped in the concrete as it turns to steam What is char? - Pyrolized carbonaceo