Interior attack Fire academy FF1

Interior attack Fire academy FF1 The reaction of wood to fire conditions depends mainly on two factors: - Size of the wood and its moisture content What needs to occur before committing firefighters to a basement fire? - Check for structural integrity of the first floor. The objective of an indirect fire attack is to: - Quickly remove as much heat as possible Water normally extinguishes fire by: - Cooling at 212 Degrees F, a cubic foot of water expands to approximately _______________ times its original volume when concerted into steam - 1700 A hose roller is a: - Curved metal frame that fits over the edge of a roof or windowsill. Which statement concerning automatic adjusting fog nozzles is true? - The amount of water flowing through the nozzle is adjusted to maintain the rated pressure. The four elements that make a fire stream are a pump, water, nozzle, and: - Hose The type of construction where the exterior walls and structural members are made of noncombustible or limited combustible materials and the interior is completely or partially made of wood is: - Type III construction A water hammer is: - The pressure surge that occurs when water valves or nozzles are rapidly opened or closed In wood trusses, d the _______________ connects and hold the truss in place. - Gusset plate Attack and supply hose may be equipped with what type of coupling? - Threaded and non- threaded Firefighters assisting with a working line drag (Hose drag) should place the hose ______________ with the coupling _____________ - Over the shoulder, in front Of the four fire stream volumes listed below, select the one that is most likely supplied by a single 2-1/2 inch hose. - 125 - 350 gpm The Higbee indicator/cut is (notch): - Utilized for aligning the male with the female coupling. Devices used in conjunction with fire hose through which no water passes are: - Tools One advantage of a smooth-bore nozzle is: - It provides an extended reach When utilizing the direct attack, the team should flow water until the - Heat drops rapidly Water for fire streams is converted to steam at _________ degrees Fahrenheit and expands approximately ________ times - 212, 1700 Water being discharged from a nozzle under pressure producing a force on the nozzle operator is: - Nozzle reaction A stream discharging more than 350 gpm is now as: - A master stream Which statement concerning automatic constant pressure nozzles is correct? - The nozzle person can change the flow rate by opening and closing the shut-off valve. The primary purpose of a spanner wrench is for use in: - tightening/loosening hose couplings During firefighting activity, a firefighter can lose two quarts of fluid in: - One Hour The most efficient use of water on localized interior fires is made by the ____________ attack on the base of the fire. - Direct What does the E stand for in Lower _________________ Limit (LEL). - Explosive When descending basement stairs, you should advance: - Feet first Concealed spaces can be created when a second roof is constructed over an older roof. The 2nd roof is a: - Rain roof The quickest way to move fire hose at ground level is the: