FF1 – 101022 Already Graded A+

FF1 – 101022 Already Graded A+ When steel trusses are involved in fire, they are expected to... a) Become stronger and denser b) Provide additional fuel for the fire c) Begin to weaken at around 1000°F (538ºC) d) Be unaffected, even with heavy flame involvement c) Begin to weaken at around 1000°F (538ºC) A Class A extinguisher can safely be used to extinguish a Class C fire if a) The fire is small enough b) There are no flames showing c) The electricity has been shut off d) A Class C extinguisher is not available c) The electricity has been shut off In order to protect evidence at a fire scene, the perimeter should be a) Expanded to 1.5 times the debris field b) Restricted to the area of the structure fire itself c) Restricted to within 1.5 feet from the edge of the structure d) Extended beyond the farthest piece of evidence discovered on the exterior of the structure d) Extended beyond the farthest piece of evidence discovered on the exterior of the structure According to NFPA 1500, a firefighter is prohibited from wearing _____ while inside the cab of the apparatus a) SCBA b) Gloves c) A helmet d) Hearing protection c) A helmet When there is heavy smoke in a building and a firefighter wearing SCBA must be rescued, the most effective victim removal method would be the a) Incline drag b) Seat lift/carry c) Webbing drag d) Extremities lift/carry c) Webbing drag If a firefighter is going to perform forcible entry on the front door of a single-family residence, which type of door are they likely to encounter? a) Bi-fold door b) Sliding door c) Swinging door d) Frameless door c) Swinging door When a rapid intervention crew is working to rescue a downed firefighter, they should a) Stop frequently and briefly remain silent b) Switch their transceivers from standby mode to search mode c) Continually should the firefighter's name until they hear a response d) Turn off their own PASS devices so that the lost firefighter can be found a) Stop frequently and briefly remain silent SCBA can be used to prevent respiratory hazards due to a) The effects of radiation b) Non-fire gases and vapors c) Over-oxygenated atmospheres d) Temperature and pressure changes b) Non-fire gases and vapors A firefighter who is conducting air monitoring should a) Doff all PPE in order to reduce fatigue b) Monitor the entire environment at chest level c) Split up from his or her team to quickly cover more area