F-02 Building Construction and Fire Behavior Practice Test Flashcards
6 cards from real F-02 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 F-02 Building Construction and Fire Behavior Practice Test flashcards as text
What are the four stages of fire development?
Answer: Ignition, growth, fully developed, and decay
The four stages of fire are: ignition (fire starts), growth (fire increases in size with rising temperatures), fully developed (all combustibles in the area are burning at maximum heat release), and decay (fuel is consumed and fire diminishes). Understanding these stages helps predict fire behavior.
What is the temperature range at which flashover typically occurs?
Answer: 900-1200°F at the ceiling level
Flashover typically occurs when the temperature at the ceiling level reaches approximately 900-1200°F (500-650°C). At this temperature, radiant heat from the hot gas layer ignites all exposed combustible surfaces in the room simultaneously, transitioning from a growing fire to full room involvement.
What is the primary concern with lightweight wood truss construction during a fire?
Answer: The trusses can fail rapidly (within 5-10 minutes), causing floor or roof collapse
Lightweight wood trusses use smaller lumber connected by metal gusset plates. Fire weakens these connections quickly, and trusses can fail in as little as 5-10 minutes, causing catastrophic floor or roof collapse. This is a major safety concern for firefighters and building occupants.
How does heat transfer through conduction work in a fire scenario?
Answer: Heat transfers through direct contact between materials, like through a steel beam or metal pipe
Conduction transfers heat through direct physical contact between materials. In a fire scenario, a steel beam exposed to fire on one end conducts heat through its length, potentially igniting materials in contact with the other end in an adjacent room or floor.
What is the difference between heat transfer by convection and radiation?
Answer: Convection transfers heat through fluid movement (hot gases/air rising); radiation transfers heat through electromagnetic waves
Convection moves heat through the circulation of heated gases and air (hot smoke rising to the ceiling and spreading). Radiation transfers heat through electromagnetic waves that travel in straight lines and can heat objects at a distance without direct contact or air movement.
What is the significance of a building's fire resistance rating?
Answer: It indicates how long structural elements can maintain their integrity during a fire
A fire resistance rating (expressed in hours like 1-hour, 2-hour, 3-hour) indicates how long a structural element (wall, floor, beam) can withstand standard fire conditions while maintaining structural integrity, preventing fire passage, and limiting temperature rise on the unexposed side.