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Which is a characteristic of smooth bore nozzles? A. Prone to clogging with debris B. Cannot be used to apply compressed air foam C. Cannot be adjusted to different stream patterns D. Operate at higher nozzle pressures than fog nozzles - ✔✔C. Cannot be adjusted to different stream patterns How is the rate of discharge for a manually adjustable fog nozzle changed? A. Pushing the bale forward or backward slowly B. Rotating the nozzle tip to choose a wider or narrower pattern C. Rotating the selector ring to the desired GPM (L/min) setting D. Signaling the pump operator to reduce or increase the pressure - ✔✔C. Rotating the selector ring to the desired GPM (L/Min) setting Advancing an uncharged hose line down a flight of stairs is only recommended when: A. The fire is minor or not present B. There is an immediate need for water C. The primary search has been completed D.There are at least four firefighters on the hoseline team - ✔✔A. The fire is minor or not present Hand line streams have flows that discharge: A. Less than 40 GPM ( 160 L/min)
B. From 25 to 300 GPM ( 100 to 1 200L/min) C. From 40 to 350 GPM (160 to 1 400L/min) D. More than 350 GPM ( 1 400L/min) - ✔✔From 40 to 350 GPN (160 to 1 400L/min Which type of hose stream is created by specialized nozzles such as cellar nozzles, piercing nozzles, or chimney nozzles? A. Fog stream B. Solid stream C. Broken stream D. Straight stream - ✔✔C. Broken stream What is caused by friction loss? A. Increased nozzle reaction B. Decreased nozzle reaction C. Lower water pressure at the pump D. Lower water pressure at the nozzle - ✔✔D. Lower water pressure at the nozzle Class a foam acts as a surfactant, which means that it: A. Requires a special type of nozzle for application B. Requires a special type of aeration tool to be formed C. Lowers the surface tension of water, allowing better penetration into the fuel D. Raises the surface tension of water, creating a more effective extinguishing agent. - ✔✔C. Lowers the surface tension of water, allowing better penetration into the fuel. The rate of application for class B foam depends on: A. The location of the fuel spill
Which type of foam proportioner is directly attached to the pump panel outlet or connected at some point in the hose lay? A. In line eductor B. Foam nozzle eductor C. Apparatus mounted proportioner D. Compressed air foam system ( CAFS ) - ✔✔A. In-line eductor A (an) __________ concept allows all responders to use a similar, coordinated approach with a common set of authorities, protections and resources: - ✔✔All Hazard Most fire departments are organized in a series of levels, with the intermediate levels made up of personnel assigned by: ______ - ✔✔Rank and Duty Each employee reporting to just one supervisor, who in turn moves up the chain of command, is an example of: - ✔✔Unity of command Multiple fire companies within a response area whose day-to-day functions are overseen by the operations division are called a (an): - ✔✔Battalion Fire department line personnel are responsible for: A. repairing broken department apparatus B. Providing emergency services to the public C. overseeing the departments annual budget D. organizing personnel medical evaluation records - ✔✔B. Providing emergency services to the public Define Policies: - ✔✔A policy is a guide to decision making within an organization that addresses issues such as working hours, emergency response guidelines, and chain of command Which action would directly promote the National Fallen Firefighters Association 16 Fire Life Safety Initiatives?
A. Training every Fire Fighter I to assume command at smaller incidents B. Requiring every new recruit to obtain a bachelor's degree prior to employment C. Purchasing additional sets of structural PPE for each firefighter in the department D. Investigating line of duty deaths and near misses in order to revise departmental safety standards. - ✔✔D. Investigating line of duty deaths and near misses in order to revise departmental safety standards. According to NFPA 1001, which duty is a FireFighter I required to be able to perform? A. Inspect and maintain fire apparatus B. Assume command of an interior fire attack C. Prepare apparatus hose loads for response D.Extinguish an ignitable liquid fire using firefighting foam - ✔✔C. Prepare apparatus hose loads for response One goal of the National Fallen Firefighters Association 16 Firefighter Life Safety Initiatives is to: A. Mandate the use of specific brands of PPE B. empower all firefighters to stop unsafe practices C. advocate the use of exclusively defensive firefighting tactics D. require repartments to use computer-based accountability systems - ✔✔B. empower all firefighters to stop unsafe practices What is a medical or physical requirement set forth in NFPA 1500? A. individualized nutrition counseling B. Standardized national physical fitness testing C. department-funded tobacco cessation programs D. Annual medical exams to verify continued fitness - ✔✔D. Annual medical exams to verify continued fitness What is the leading cause of firefighter fatalities? - ✔✔Cardiovascular disease Body substance isolation methods are used to:
D. Emergency Service Specific Telecommunications Center - ✔✔D. Emergency Service Specific Telecommunications Center What category of telecommunications system is in a central location, takes all emergency calls, and then routes calls to appropriate dispatchers? A.Public Safety Answering point B.Tertiary Public Safety Answering Point C. Regional Public Safety Telecommunications Center D. Emergency Service Specific Telecommunications Center - ✔✔A. Public Safety Answering Point (PSAP) The use of plain English in radio communications transmissions is defined as _____ - ✔✔Clear Text Why is ventilation used during overhaul and loss control? - ✔✔To evacuate smoke from structures after a fire has been extinguished. As a fire within a compartment consumes oxygen, the amount of unburned fuel in combustion products:
- ✔✔Increases Why should ventilation be immediately followed with exterior or interior fire attack to cool gases and surfaces in the fire room? - ✔✔The greater the time between ventilation and application of water, the greater the fire's growth. What disrupts the ventilation strategy and causes fire to grow? - ✔✔Leaving doors open and breaking windows unnecessarily Nearby structures and vegetation can be ignited if ________ carries hot fire brands or embers aloft. - ✔✔Convection What is an indication of possible roof collapse? A. Smoke from upper windows B. Popping or crackling sounds
C. HVAC units sagging or leaning D. Fire appearing to travel downward - ✔✔C. HVAC units sagging or leaning Which air movement equipment is used for hydraulic ventilation? - ✔✔Hoselines and nozzles Tactical ventilation roof crew members should have a minimum of how many escape locations? - ✔✔Two escape locations Which is an assumption firefighters should make about any structure fire to guide their decisions when ventilating? A. Fire is fuel-limited B. Fire will stay in growth stage C. Structure consists of Type II construction D. Structure consists of lightweight construction - ✔✔D. Structure consists of lightweight construction Which type of ventilation is the most effective for clearing contaminated structures of smoke? - ✔✔Mechanical Ventilation When performing a positive-pressure attack, the exhaust openings must be located where? - ✔✔In the fire compartment What is the goal of positive-pressure ventilation? A. Maintain the same interior and exterior pressure B. Decrease pressure to lower than the exterior of the structure C. Increase pressure to higher than the exterior of the structure, not higher than the fire can produce D. Increase pressure to higher than the exterior of the structure and also higher than the fire can produce. - ✔✔C. Increase pressure to higher than the exterior of the structure, not higher than the fire can produce Negative-pressure ventilation requires that the opening around the fan:
A _______ is a group of resources assembled to meet a specific mission that is disbanded once the assignment is complete. A. group B. division C. task force D. strike team - ✔✔C. Task force The NIMS-ICS structure was created so that it: A. is applicable only to larger incidents B. is applicable only to smaller incidents C. can be modified based on the incident D. must be used exactly the same at all incidents - ✔✔C. can be modified based on the incident Mutual aid agreements: A. must always be verbal B. allow jurisdictions to share specialized resources C. allow firefighters to be hired and paid by multiple jurisdictions D. determine how much public funding an organization will receive - ✔✔B. Allow jurisdictions to share specialized resources Which statement describes the general need for resources at most incidents? A. It is always better to have too few resources than too many resources B. having too many resources increases the risk of inefficient operations C. Complex incidents do not require a staging area for their resources. D. Having too many resources increases the risk of firefighter injuries and fatalities - ✔✔B. having too many resources increases the risk of inefficient operations According to NIMS-ICS, which type of incident is the least complex and could be mitigated using only local resources?
A. Type I B. Type II C. Type IV D. Type V - ✔✔D. Type V Replace any spark plug that: A. shows signs of arcing B. is covered in oil and grime C. has been used for more than six months D. is not stamped with the date of manufacture - ✔✔A. shows signs of arcing Which type of equipment is NOT typically maintained by a Fire Fighter II? A. portable generators B. portable lighting system C. apparatus electrical systems D. Hydraulic and pneumatic tools - ✔✔C. apparatus electrical systems At the end of an incident, the IAP is: A. sent to the NFPA for review B. used as part of the post incident analysis C. Thrown away because it is no longer necessary D. filed away in case another incident occurs at the same location - ✔✔B. used as part of the post incident analysis Fires involve a heat producing chemical reaction between fuel and: A. a catalyst B. an oxidizer C. free radicals D. a reducing agent - ✔✔B. An oxidizer
A. melt B. pyrolize C. Hypoxilize D. evaporate - ✔✔B. Pyrolize Combustion can occur within a range of concentration of fuel vapor and air; this range is referred to as the: A. vapor pressure range B. surface to mass range C. flammable (explosive) range D. oxidation (combustion) range - ✔✔C. Flammable (explosive) range What may occur is water is added to a burning liquid that is less dense than water? A. the Fuel's rate of vaporization will decrease due to the increased water pressure B. The water may disperse the burning liquid instead of extinguishing it. C. the liquid fuel may vaporize much more rapidly as it draws thermal energy from the water. D. The water will mix with the burning liquid and become less effective at extinguishing the fire. - ✔✔B. The water may disperse the burning liquid instead of extinguishing it Which statement describes the factor that MOST influences compartment fire development? A. Whether the fire is fuel-limited or ventilation-limited B. Whether the fuel is cellulose-based or petroleum-based C. Ratio of square footage to ceiling height of the compartment D. Ambient temperature and wind speed outside the compartment - ✔✔A. Whether the fire is fuel- limited or ventilation-limited In a ventilation-limited compartment fire that has a large volume of flammable gases, opening a door or window could result in: A. flashover B. Backdraft
C. Piloted ignition D. Spontaneous ignition - ✔✔B. Backdraft The flow path of a structure fire is comprised of two regions: the ambient air flow in: and the: A. Ceiling jet B. cool air subsidence C. Ambient air flow out D. Hot exhaust flow out - ✔✔D. Hot exhaust flow out
