IFSTA Fire Dynamics Post Test Questions Fully Solved 2024.

What is the cause of most fire deaths? Select one: a. Exposure to extreme heat and/or contact with flames and hot surfaces b. Injuries caused by falling materials or structural collapse c. Exposure to toxic gases found in smoke and/or lack of oxygen d. Accidental injuries sustained during escape and/or evacuation procedures - correct answer c. Exposure to toxic gases found in smoke and/or lack of oxygen In most compartment fires, the energy release in fire is directly proportional to the: Select one: a. ambient temperature of the environment. b. thermal conductivity of the fuel. c. amount of oxygen available for combustion. d. amount of fuel available for combustion. - correct answer c. amount of oxygen available for combustion. Which product of combustion acts as a chemical asphyxiant by excluding oxygen from the blood, leading to hypoxia of the brain and tissues? Select one: a. Carbon monoxide (CO) b. Hydrogen cyanide (HCN) c. Carbon dioxide (CO2) d. Aerosolized fuel particles - correct answer a. Carbon monoxide (CO) Which action will transition a compartment fire in a modern structure from ventilation-limited to fuel-limited?