IFSTA: CH 4 Fire Dynamics question n answers 2024/2025

IFSTA: CH 4 Fire Dynamics Most residential fires that develop beyond the incipient state become: - correct answer ventilation limited. Which statement about smoke is accurate? - correct answer Smoke has the potential to burn. What is the primary consideration affecting how easily solid fuels ignite? - correct answer Surface-to-mass ratio When a compartment fire is in ventilation-limited decay, _____ can trigger flashover quickly. - correct answer introduction of new oxygen Slower fire development in large compartments is due to the _____ and the increased distance that radiated heat must travel from the fire to the contents that must be heated. - correct answer greater volume of air Which element is included in the fire tetrahedron that is not part of the fire triangle model? - correct answer Chemical chain reaction Development of a fire in the incipient stage depends largely upon the: - correct answer characteristics and configuration of the fuel involved Which stage of fire occurs when all combustible materials in the compartment are burning at their peak heat release rate based on the available oxygen? - correct answer Fully developed The range of concentrations of fuel vapor and air within which combustion can occur is the: - correct answer flammable (explosive) range.