Firefighter 1 Test Questions and answers 100% verified.

Firefighter 1 Test Questions and answers 100% verified. During the ____ stage of development, the three elements of the fire triangle come together in the combustion process. - correct answers.Incipient Firefighters working in the exhaust portion of the flow path will: - correct the increase in temperature as the velocity and/or turbulence increases. What provides the best indicators of structural integrity? - correct answers.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: - correct al plane What is the likely result if additional air is allowed into an already-ventilated compartment fire? - correct answers.Higher peak release rate Fire spreading from a wall to a nearby couch due to radiant heat transfer is an example of: - correct reflectivity Fire develops through four stages: incipient, growth, ___, and decay. - correct answers.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. - correct nned Sawdust ignites more easily than a long because the sawdust has a higher: - correct ce-to-mass ratio A collapsed storage shed that is fully involved in flames would be an example of a: - correct -developed fuel-limited fire heat that is radiated to the insulating air layer between PPE and your body: - correct cause heat stress and failure of the PPE What will establish new flow pass between the fire compartment and exterior vents of the building? - correct answers.Firefighters advancing a hose line through an open door or ventilating windows to make entry into a building When a substance changes from one type of matter into another, such as two or more substances combining to form compounds, the substance undergoes a: - correct cal reaction Gaseous fuels can be the most dangerous of all fuel types because they: - correct already in the physical state required for ignition What occurs when a mixture of unburned fuel gases and oxygen come in contact with an ignition source? - correct explosion Which heat transfer mechanism is dependent on several factors including the turbulence and velocity of moving gases? - correct ction In a compartment fire, smoke flashover indicators include rapidly increasing volume, turbulence, optical density, and: - correct ning color the flow path of a structure fire is comprised of two regions: the ambient air flow in and the: - correct exhaust flow out The ___ stage of fire development occurs when the heat release rate of the fire has reached its peak. - correct developed What may occur if water is added to a burning liquid that is less dense than water? - correct answers.The water may disperse the burning liquid instead of extinguishing it To ensure that the decay stage of a ventilation-limited fire is the fire's final stage, firefighters must provide a controlled transmission of a fire in the decay stage from ventilation-limited to fuel-limited, by: - correct icting ventilation until the heat transfers out of the compartment What may occur in an oxidation reaction when the heat generated exceeds the heat being lost? - correct aneous ignition Which type of electrical heating occurs when the current flowing through a conductor exceeds its design limits? - correct urrent or overload Which is an indicator for potential backdraft? - correct ng smoke movement around small openings in the building How does a compartment fire affect pressure in and around gases in the compartment? - correct answers.Heat from a fire increases the pressure of the surrounding gases Which statement describes a fire in the incipient stage? - correct temperature is only slightly above the ambient in areas that the fire, bloom, and ceiling jet directly affect