Fire Investigator - master for TCFP test Guide With Correct Answers

Is NFPA 921 a guide or a standard? -Answer It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? -Answer 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? -Answer Analyze the data What step of the scientific method is deductive reasoning? -Answer Test the hypothesis What are the four parts of the fire tetrahedron? -Answer Fuel (reducing agent) Heat Oxidizing agent Uninhibited chemical chain reaction What kind of reaction absorbs energy, an endothermic or an exothermic reaction? -Answer Endothermic What is heat transfer by direct contact called? -Answer Conduction What is heat transfer by gas flow / air movement called? -Answer Convection What is heat transfer by microwave energy called? -Answer Radiation What is a fuel controlled fire? -Answer A fire that is limited by the amount of combustibles. What is a ventilation controlled fire? -Answer A fire that is limited by the amount of oxygen. What are the stages of fire growth? -Answer Ignition Growth Flashover Fully Developed Decay What is a flashover? -Answer The transition phase from growth to fully developed, where all surfaces reach ignition temperature almost simultaneously.