Firefighter 2 Written Exam Latest Update Graded A+

Firefighter 2 Written Exam Latest Update Graded A+ In most cases, how many sprinkler heads will open before a fire is controlled? 1-2 The minimum slope of a high-angle rescue operation is ____ degrees. 45 A straight stream is briefly discharged through a window from the building exterior. This is typical of which type of attack? Transitional If the air bag did not deploy a vehicle accident, what must be done prior to disentangling a victim? Disconnect the battery In a preaction sprinkler system, what must happen before water will flow? An alarm initiating device must be activated An abandoned building id fully involved in fire. Which type of operation is appropriate? Defensive What happens if a windshield is struck with a spring-loaded center punch? A small chip or crack will appear What are step chocks commonly used for? Stabilize a vehicle's suspension To batch mix 3% foam into a 500-gallon (1894 L) booster tank, you would need to add____ of foam concentrate to the tank. 15 gal (65 L) All of the following are standard sprinkler head mounting positions except one. a. Pendent b. Upright c. Branch d. Sidewall Branch The maximum slope of a low-angle rescue operation is ____ degrees. 45 How is the tamper alarm on a pull-station connected to the fire alarm system? There is no such connection The first-arriving officer at the scene of a serious incident should ____ command. Establish How often should smoke alarms be tested? Monthly Unified command is used to address which situation? The incident involves more than one jurisdiction or agency What does the E stand for in the acronym SLICE-RS Extinguish the fire. What is a fire fighter's initial objective during a confined-space incident? Secure the scene What is the ICS term of a group of firefighters with an assigned leader who are working without an apparatus? Crew What does the "I" stand for in the FAILURE acronym? Inadequate rescue skills What is the ICS title for the person in charge of a branch? Director A windshield is made of __________ glass. Laminated Under which condition might command be transferred from a high-ranking officer to an officer with lower rank? During the later stages of the incident A vehicle air bag will remain energized until the: air bag capacitor is fully discharged. According to NFPA 72, which type of alarm is caused by improper installation of an alarm system? Nuisance What is added to propane to give it a distinct odor? Ethyl mercaptan What do older heat detectors lack that makes it difficult to track down the cause of an alarm? Indicator light After step chocks are placed under the side of the vehicle, rescuers should: Pull the valve stems from the tires. In a preaction system, one function of the main valve is to act as a: dam. What is a concern when a gaseous suppression system is activated? Oxygen-deficient atmosphere In the FAILURE acronym, what does the "L" stand for? Lack of teamwork or experience Adding foam concentrate to a fire apparatus tank is called _________ mixing. batch What is a major concern with battery-powered smoke alarms? Battery replacement What does the "S" stand for in "RECEO-VS" Salavage As applied to private residences, which room category includes formal living rooms, family rooms, and entertainment rooms? Living rooms What does the "A" stand for in "IAP"? Action What is the ICS organizational title for member of the general staff? Cheif In an electric-drive vehicle, high-voltage cables are typically colored: orange A comprehensive, all-hazard unifying approach that includes programs, actions, and services used by a community, which prevent or mitigate the loss of life property, and resources associated with life safety, fire and other disasters within a community is: community risk reduction What does the term "packaging" mean in the context of technical rescue? Preparing the victim for removal as a unit What divide the engine compartment of a car from the passenger compartment? Bulkhead To break a side window in a vehicle, where should the window be struck? A lower corner of the window What is the ICS term for the headquarter location of an incident? The incident command post How are most windshields affixed in place? Glue According to the NFPA, a smoke alarm should be replaced after _____ years from the date of manufacture 10 The percentage of blocked light in a beam detector represents the _______ rate. Obscuration What is the ICS term for companies/crews working within the same geographical area? Division How can an ionization smoke detector be identified? Label stating that it contains radioactive material How does exposure to natural gas affect the body? Natural gas acts as an asphyxiant Vehicle air bags may remain energized for as long as _____ minutes after the vehicle battery has been disconnected. It varies with the manufacturer What is a strike team? Two or more single resources of the same type with an assigned supervisor What are the vertical support members that hold up the roof on a vehicle? Posts An action's potential positive results and its potential negative consequences are evaluated during the: risk-benefit analysis How does a bimetallic strip work as a heat detector switch? The strip bends unevenly in response to heat, closing a contact The combination of working smoke alarms and a residential sprinkler system reduces the change of a death from a home fire by ____ percent. 82 Vehicles are staged in which control zone? Cold How does a code become a regulation? It is adopted by state or local government Under which circumstances does the first-arriving officer assume command? On every incident The low surface tension of Class A foam affects its extinguishing properties by: Enabling water to penetrate the fuel more deeply What is a BLEVE? Flammable liquid vessel rupture and explosion due to external heating How does exposure to liquified petroleum gas affect the body? The gas displaces breathing air As more companies are deployed at an incident, why must the incident management structure expand? To maintain span of control If there is no officer on the first-arriving unit, who assumes initial command? A fire fighter What is the ICS title for the person in charge of a task force? Leader What is the ICS term for an assembly of two or more units of the same type with an assigned leader? Strike team How are fire codes related to building codes? They are closely related. How many building major use classifications are there? Three What does activation of a water-motor gong indicate? Water flowing in the system How are traffic hazards best managed? By law enforcment personnel The modular organization of the ICS gives it the ability to: expand to the extent needed to manage the incident A combination fire attack begins with: and indirect attack As an incident progresses, what is an additional factor to =be evaluated in the ongoing size-up? The effectiveness of the initial plan In general, in emergency operations, the practical span of control within the ICS is no more than ____ to one. Five The required frequency of code enforcement inspections is usually determined by: The fire code What is a critical factor to consider when evaluating the potential for collapse of a burning structure? How long is has been burning In a technical rescue incident, what is the next step after stabilization has taken place? Access The command staff reports directly to the incident commander What does the C stand for in the acronym SLICE-RS Coll the space form the safest location According to NIOSH, initial rescuers account for approzimately_____% of all confined space deaths. 60 According to NFPA 72, which type of alarm occurs when an activation of a fire alarm is not the result of a potentially hazardous condition? Nuisance In a trench rescue operation, which step comes first? Shore up the collapse site Type II constuction is: noncombustible An exposure on the left side of the building would be designated as exposure: B The goal of the __________ concept is to encourage communication and input rom all crew members to assess and to develop the safest and most effective method to complete the assignment. crew resource management A roll-over protection system is most likely to be found in which type of vehicle? Convertible A class____ harness is a full-body harness for use by rescuers. III How prone are heat detectors to false alarms as compared to smoke detectors? Less How if foam proportioned in most portable extinguishers? Premixing A burning liquid that is pouring over the edge of a container is known as a _______ fire. three-dimensional What is laminated glass? A thin layer of plastic sandwiched between two layers of glass Alkaline smoke alarm batteries should be replaced once every _____ months. 6 A foam blanket disrupts which component of the fire tetrahedron? All of them What is high-expansion foam usually used for? Flooding of large enclosed areas What does the "C" stand for in "RECEO-VS"? Confinement What is the ICS term for companies or crews working on the same task or function? Group All of the following are common topics of focus in public fire safety education programs except one Dorm living What is the ICS term for an assembly of two or more single resources, of different types, assembled to accomplish a specific task? Task force A fire department pumper can supplement a sprinkler system water supply through the: FDC If solid fuels are regularly burned, it is recommended that the chimney or flue pipe be professionally inspected every____ months. 12 There are ____ basic steps in performing special rescues in a safe, effective, and efficient manner. ten How is an inspection of a private residence usually initiated? A request from the occupant Which term is defined as guiding and directing firefighters to do what their fire department expects of them? Discipline Which type of lock is surface-mounted on the interior of the door frame? Rim A gas with a vapor density of ____ will rise in air. Anything less that 1 Which statement about the care and use of PPE is correct? Accumulated dirt of contamination increases the potential for failure of protective clothing Which type of window is made of overlapping sections of tempered glass in a metal frame? Jalousie A chisel is classified as a _________ tool. Striking Which wood-frame construction system uses studs that run continuously from the basement to the roof? Balloon frame Which statement about the numerical rating of a Class K extinguisher is correct? There is no numerical rating for a Class K extinguisher A class C extinguisher is rated for use on: Energized electrical equipment Which toll is a hand-operated winch? Come along Which tool has two retractable blades? Plaster hook Which is one of the 16 Firefighter Life Safety Initiatives? Ensure that firefighters have access to counseling and psychological support services Which type of construction is heavy timber? IV