Firefighter 1 Test Questions with correct answers

During the ____ stage of development, the three elements of the fire triangle come together in the combustion process. - Answer Incipient Firefighters working in the exhaust portion of the flow path will: - Answer feel the increase in temperature as the velocity and/or turbulence increases. What provides the best indicators of structural integrity? - Answer Information gathered at the scene In a compartment fire, the interface between the hot gas layers and the cooler layer of air is commonly referred to as the: - Answer neutral plane What is the likely result if additional air is allowed into an already-ventilated compartment fire? - Answer Higher peak release rate Fire spreading from a wall to a nearby couch due to radiant heat transfer is an example of: - Answer heat reflectivity Fire develops through four stages: incipient, growth, ___, and decay. - Answer Fully-developed When a structural member such as a window, roof, or doorway fails, introducing a new source of oxygen to a fire, ___ ventilation has occurred. - Answer unplanned Sawdust ignites more easily than a long because the sawdust has a higher: - Answer surface-to-mass ratio