Knowledge Flashcards
6 cards from real FCTC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Knowledge flashcards as text
What is the term for the technique of venting a roof to release heat and smoke from a structure fire?
Answer: Vertical ventilation
Vertical ventilation involves cutting holes in the roof of a burning structure to allow heat, smoke, and gases to escape upward.
What is the name of the phenomenon where a fire suddenly and simultaneously ignites across all exposed combustible surfaces in a room?
Answer: Flashover
Flashover is the near-simultaneous ignition of all combustible materials in an enclosed space when they reach their ignition temperature.
Which size hose line is most commonly used as the primary attack line for residential structure fires?
Answer: 1¾-inch
The 1¾-inch hose line is the most common primary attack line for residential fires, balancing flow rate and maneuverability.
What does 'LUNAR' stand for in firefighter Mayday communication?
Answer: Location, Unit, Name, Air supply, Resources
LUNAR stands for Location, Unit, Name, Air supply, and Resources needed — the critical information a firefighter must transmit when declaring a Mayday.
What is the primary purpose of a thermal imaging camera (TIC) during a structure fire?
Answer: To detect heat signatures through smoke and darkness
Thermal imaging cameras detect infrared radiation (heat) and display heat signatures, allowing firefighters to locate victims, identify fire location, and navigate in zero-visibility conditions.
What is the correct action when a firefighter discovers a locked door during primary search?
Answer: Force the door if needed, using the least destructive method first
Firefighters should force entry using the least destructive method available, such as trying the door handle, before escalating to forcible entry tools.