Fire Officers Handbook of Tactics Practice Test

These questions are part of the practice quiz. Start practicing

• Which component is considered to be the weak link in lightweight trusses?
• What is the essential requirement for making a standard 8x8 vent hole?
• In the context of structural firefighting, what does the term 'dividing walls' refer to?
• What type of stairs serve only apartments in a specific wing of a building?
• How many key concepts support the emphasis placed on human life in firefighting?
• Which stairs are considered the worst case scenario for firefighters due to their limited accessibility?
• Which tools are almost always needed at all structure fires?
• Which of the following is considered the most critical resource for a successful RIT operation?
• What unit measures carbon monoxide levels for safety standards in residential areas?
• Which term is commonly used to describe conventional forcible entry?
• What happens to the residual pressure when there is a high flow demand from a supply line?
• How far away should aerial ladders be kept from power lines?
• What is the typical dimension of Class 4 load-bearing wooden columns?
• What is the working pressure of the Hydraulic Force Tool (HFT)?
• Which of the following agents is associated with delayed symptoms?
• What is one common error associated with the combination attack?
• When deciding whether to use the first line as an interior attack or as exposure protection, what should be considered first?
• At what fire loading weight is a typical library classified?
• During which construction stage does the largest loss of garden apartments typically occur?
• Which conditions indicate the use of the through the lock method of entry?
• In what architectural style are the newer garden apartments primarily built?
• What is the maximum duration a PASS device can emit a full alarm at 95-100 decibels?
• What are the three main concerns with a rain roof?
• Plutonium, uranium, and cesium are classified as which type of agent?
• How often do sandwich apartments typically have floors?
• Which of the following locations is known to cause special firefighting problems due to void spaces?
• How long can an LPG cylinder exposed to direct flame in the upper vapor space be subject to BLEVE?
• Concrete is very strong against which type of load once it has hardened?
• What is the primary purpose of ventilation in firefighting?
• What is the term for stairs that only serve one or two apartments with small landings?
• What is the recommended collapse zone of the end wall of a bowstring truss building?
• What is the acceptable carbon monoxide (CO) reading for a residence?
• What is the primary function of all aerial ladders?
• What type of alarm does the PASS device emit first if no movement is detected?
• How many chirps does the target exit device TED emit in a 2-second interval?
• In what type of buildings do the outer walls carry most of the load?
• Which void type is characterized by collapsing floors and walls leaning inward?
• For fires in the incipient stage, how many gallons of water may be needed to extinguish them?
• Which of the following is a non-explosive but potentially harmful agent?
• What size hoseline is necessary if a residential occupancy has experienced flashover?
• What is one key difference between garden apartments/townhouses and most other dwellings?
• What term describes agents that can cause harm by causing physical damage through inhalation or contact?
• Soman (GD) is an example of which type of chemical agent?
• What pressure allows Class A pumpers to deliver 50% of their rated flow?
• What is typically the maximum number of firefighters to use per 10 feet of ladder length according to older standards?
• What failure associated with natural gas utilities can lead to mass disaster and casualties?
• What is the primary function of the old gas regulator known as the dead weight regulator?
• During which fire attack is the hose line directed at the ceiling for an extended duration?
• Heating systems are responsible for what percentage of all fires?
• What is a significant risk factor contributing to fire spread in multiple dwellings?
• Which of the following is NOT a possible mode of operation in firefighting?
• What tag is given to victims with minor injuries whose treatment will also be minor?
• How much heat energy, in BTUs, does each pound of ordinary combustibles release?
• What factors have changed the way fire departments approach multiple dwellings?
• What is a common tool used to assess the structural integrity during firefighting operations?
• What is the maximum psi that the differential dry pipe valve can hold back on the inlet or supply side of an automatic dry sprinkler system?
• The Mark 1 kit is used for which type of agent?
• What type of attack is considered the most likely WMD attack that Americans might face?
• Anthrax, bubonic plague, and tularemia are examples of what type of agents?
• What does head pressure refer to?
• What common safety concern arises from improper regulation of natural gas?
• Which class of standpipe is intended for occupant use to manage minor fires?
• Which factors affect the selection and placement of a portable ladder?
• How far from the edge of the door is the key cylinder typically located?
• What problem arises if too much water accumulates in a dry pipe system?
• What are the two primary types of fog nozzles currently in use?
• Which type of buildings have outer walls that are typically non-loadbearing?
• What is the proper climbing angle for a portable ladder?
• What three characteristics are important in selecting a hose line for residences?
• What term does Frank Brannigan use to refer to the large void space created by open web trusses?
• How many feet should a true firewall extend over the roof?
• How does the weight of one length of dry 1 3/4 hose compare to a charged line of the same size?
• In terms of safety, what is the minimum distance to keep aerial ladders from power lines?
• Class I construction has evolved into how many categories?
• Which type of stairs maintains a constant location on all floors?
• Hydrogen cyanide (AC) and cyanogen chloride (CK) are classified as what type of agent?
• What is the expansion ratio for an air aspirating nozzle?
• In fire tactics, why do different types of materials (like those found in houses) matter for firefighters?
• What does the pressure of water in an open container depend on?
• When using a 45-minute air cylinder, how much time is recommended for operations?
• What can fire venting from windows on different floors indicate?
• What fires are classified as below grade fires?
• Which of the following is NOT a use of hose streams?
• If a sprinkler system has to operate at low pressures due to many heads being open, what is the average coverage area for each head in square feet?
• What is the maximum discharge pressure for LDH according to NFPA 1932?
• Which chemical agent is known for causing delayed symptoms up to 48 hours?
• Commercial occupancies typically require how many gallons per minute (gpm) for effective fire control?
• What is the sequence of actions to take at almost any incident responded to?
• What are the two primary reasons for performing ventilation?
• HL and HT are both examples of which type of chemical agent?
• According to NFPA's sprinkler statistics, what percentage of the time do sprinklers extinguish fires?
• What percentage of all fires are estimated to be caused by heating systems?
• Which type of building is least likely to have load-bearing outer walls?
• What is a critical feature to consider in high-rise fire safety strategies?
• What is the size of the furring strips that are often above the roof joists in older homes?
• Class A foam is typically used in which concentration range?
• What is a common consequence of failing to maintain sprinkler systems?
• What type of agent is VX classified as?
• How is the pressure of a fluid related to its density?
• What size supply line is best for a pumper with a capacity of 1250-1500 gpm?
• What is the purpose of using a master stream in firefighting?
• How much does one cubic foot of water weigh?
• Nerve agents, blood agents, and blister agents are all examples of what kind of agents?
• What is one of the three interrelated topics regarding the application of water on fire?
• What observation can be made about smoke in a fire situation?
• Radiological dispersal devices (RDDs) are commonly referred to as what?
• What type of flow is characterized by almost no turbulence within the line at low flows?
• At what temperature does propane turn into a gas?
• What are garden apartments or townhouses sometimes referred to as?
• What is the range of time before symptoms of a blister agent can appear?
• When operating a saw on the roof, how far should a firefighter avoid having the spinning blade above the roof?
• What phenomenon becomes more noticeable in buildings that are 60 feet or more in height?
• What is the ultimate goal when establishing hose line operations under adverse conditions?
• What type of explosive device might contain radioactive materials?
• In forcible entry, why is it important not to ignore the obvious?
• Tear gas such as CN and CS is used for crowd control and falls under which category?
• A "dirty bomb" is primarily composed of what?
• What capabilities do nozzles provide when delivering water?
• What diameter must a high security or casehardened padlock bow have at minimum?
• What should nozzle men ensure when using combination attacks?
• Which of the following is NOT a type of sprinkler system mentioned?
• A good rule of thumb for hose length is to equate it to what dimensions of the building?
• A master stream adds approximately how many pounds to a building every minute?
• If the PASS device does not reset or detect movement, how long after the low level alarm does it go into full alarm?
• The stack effect in a building primarily describes what?
• M-8 and M-9 tape with a positive reading may indicate the use of what type of agent?
• How many inches will a 100-foot steel I beam expand when heated to 1000 degrees?
• Which fire attack method is also known as the layman theory?
• What two factors are considered to outweigh all others in high-rise ventilation?
• What kind of flow is likely to be found when using larger diameter supply lines?
• Which two unusual phenomena typically occur in high-rise buildings?
• What type of agent do phosgene (CG) and chlorine (CL) represent?
• What is the new standard for the maximum allowable weight on most ladders?
• Symptoms of radiation sickness may not appear for how long after exposure?
• What is the correct way to perceive the size-up in firefighting?
• What is the typical width of the tip of most aerial ladders?
• What is the primary concern of a water supply on the fireground?
• Phosgene oxime (CX) falls under which category of chemical agents?
• Which building characteristic affects fire loading in residences?
• How many phases does fire progress through?
• Which of the following does NOT affect building construction implications in firefighting?
• When using the three cut method on a door, how far down from the top should the third cut be made?
• After how many seconds of no movement will the PASS device emit a low level alarm?
• Which master stream is considered the most versatile and maneuverable on the fire ground?
• Which method is used to absorb toxic fumes from dangerous chemical leaks?
• What are the three types of gates classified?
• At what pressure will each normal sprinkler head flowing deliver how many gallons per minute?
• Where should fire operations prioritize hose placement in structures?
• What is an acceptable CO reading for a commercial occupancy where no one sleeps?
• What was the most important pre-World War II high-rise feature regarding fire spread?
• Which type of stairs serves all apartments within a building?
• What is the main purpose of the stack switch in fire prevention?
• What is the purpose of a water motor gong in a sprinkler system?
• In a high-rise fire, what is considered the weak link in the chain of fire safety?
• Which type of construction is typically found in taxpayer buildings?
• What is commonly a characteristic of a townhouse in relation to other residential structures?
• What cutting method guarantees a larger open area when working with roll up gates or doors?
• Low residual pressures are most commonly encountered when using what size supply line during in-line pumping?
• How long can a PASS device in full alarm last before it needs to be reset or motion detected?
• What are the two greatest threats to multiple dwelling structures in the event of a fire?
• Lewisite (L) is classified as a:
• What is the atmospheric pressure equivalent to in terms of feet of water?
• What method should be used to access the roof of a fire building when older multiple dwellings are built in rows?
• Which type of construction is often considered less stable in a fire situation?
• Which tool is recommended for cutting locks that are above shoulder height?
• Which method of cutting involves a high degree of precision to ensure safety and effectiveness?
• Before approaching an LPG cylinder involved in a fire, how long should cooling water be applied?
• When an LPG cylinder is involved in a fire, how many feet must the area be evacuated in all directions?
• What type of construction were older taxpayers often built with?
• Victims needing immediate treatment receive which colored triage tag?
• What is the weight of air above us equivalent to in psi?
• How long has a fire been at flashover if it has not vented from a single window?
• What material is primarily affected by the design of a typical gusset plate in truss construction?
• What architectural feature is commonly associated with taxpayers and strip malls?
• During which phase does a fire experience a rapid increase in temperature and intensity?
• How long do symptoms of incapacitating agents, such as tear gas, typically clear up?
• Which role coordinates activities in the treatment area and manages personnel and supplies?
• A successful rescue of a trapped firefighter depends on which of the following elements?
• How does a steel beam react when exposed to heat?
• How long can a fully protected rescuer operate in areas with live victims, according to SBCCOM?
• Mustard gas is an example of what type of agent?
• What is a primary consideration when determining hose placement in high-rise buildings?
• How far can the stream from a Baker pipe, also known as a cellar pipe, reach?
• What is considered the single most important factor when purchasing or using a ladder?
• What are the Lower Explosive Limit (LEL) and Upper Explosive Limit (UEL) of propane?
• For structural firefighting, what is a necessary component of the plan?
• What is the most common and simplest type of sprinkler system?
• Who is responsible for ensuring sufficient transportation resources are available during an incident?
• What type of building is considered the most dangerous in the U.S.?
• Tabun (GA) is an example of which kind of agent?
• Which of the following is classified as a nerve agent?
• What does fluid pressure act perpendicular to?
• What is the primary cause of resistance to flow in a hose line?
• Which of the following is NOT a common type of void encountered with building collapse?
• What unit of measurement correlates 1 psi in terms of water column height?
• When positioning an aerial ladder to a window, which size is the average residential window?
• What is static pressure in a confined body of water at rest?
• The use of Sarin is classified under which type of threat?
• What are the three priorities when deciding where to place a hose for operation?
• Up to how many stories can newer style garden apartments be constructed?
• What type of building construction is typically used for newer taxpayers?
• Why is the ability of a building to resist collapse important to firefighters?
• What is the primary purpose of selecting a hose line effectively in a residential fire situation?
• How much does the old Hydraulic Force Tool (HFT) weigh?
• Low fire loads generally require how many gallons per minute (gpm) to manage effectively?
• What is often the first indication of a fire when dealing with a sprinkler system?
• What is the primary function of the 45-minute and 30-minute air cylinders?
• How many feet is the typical height from floor to floor in residential buildings?
• Why should fires that start in means of egress be treated with caution?
• At what pressure will Class A pumpers only deliver 70% of their flow?
• What are three typical features of taxpayers and strip malls?
• What is the limited range of a revolving nozzle such as the Bresnan distributor?
• Which of the following is NOT a type of gate?
• What principle of firefighting takes precedence over all other concerns?
• What other factors should be considered when planning forcible entry?
• What weakness do gusset plates (aka gang nails) present in lightweight truss construction?
• Which of the following is NOT an example of a virus?
• Which factors are significant when selecting and placing a hose line?
• Which of the following is NOT a style of roof construction commonly found on typical taxpayers?
• During a routine fire, what is the prime threat to occupants that can be mitigated by venting stairs?
• What role do dividing walls play in a residential structure when facing a fire?
• What is the first rule to consider with forcible entry?
• What is the triage method used during chemical, radiological, or nuclear events?
• What is a major characteristic of low security padlocks compared to high security ones?
• What do viruses, bacteria, and toxins collectively represent?
• Which of the following are examples of biological agents?
• What type of construction primarily utilizes Class 4 load-bearing members?
• How many gallons of water are equivalent to one cubic foot?
• What is the most common vertical artery in a building structure?
• How many gallons of steam can one gallon of water expand to when fully vaporized?
• How much pressure is required to push a column of water up 2.3 feet?
• Which of the following is a notable feature of garden apartments?
• What type of WMD threat is most likely to be faced by Americans?
• When the diameter of the hose is increased, what happens to the friction loss?
• What is the difference in temperature that can exist between zones 2 and 3 feet off the floor?
• In gas utilities, what is primarily controlled by the curb valve?
• When should a rescuer leave the area for decontamination when using a monitor dosimeter?
• How long can you operate with a 30-minute air cylinder before needing to decontaminate?
• Why is it important to monitor the height of a saw blade when on the roof?
• Which of the following is NOT a category of Class I construction?
• GF is an example of which type of chemical agent?
• What does pressure in an open container depend solely on?
• Approximately what percentage of all civilian fire deaths occur in residential buildings?
• Who oversees the extrication of patients from immediate danger?
• What degree of fog pattern is typically used during an indirect attack?
• Which of the following is NOT a prerequisite to a successful Rapid Intervention Team (RIT) operation?
• What does the acronym HFT stand for?
• What is the minimum residual pressure that should be maintained during pumping operations, except when pulling a draft?
• What type of chemical agent is classified as a blister agent and known for its painful effects?
• Which of the following is a factor to consider when a need for forcible entry arises?
• What type of sprinkler system has proven to be the best means of protecting life and property when properly maintained?
• Which principle states that pressure on a confined fluid is transmitted equally throughout that fluid?
• Why should you maintain the integrity of the door during forcible entry?
• Which of these concepts states that firefighters should not unduly endanger themselves when there is no threat to occupants?
• What is the minimum evacuation distance when discovering a bomb or explosive device?
• Why is 'need for speed' crucial in hose line selection during a fire response?
• When should you perform the tasks that protect the greatest amount of lives?
• Which of the following is NOT a consideration for hose line effectiveness?
• What percentage of a CAFS solution consists of water?
• In triage, victims whose treatment can be delayed receive a yellow tag and treatment is expected to be completed in what time frame?
• How much of the total length of a ladder is considered its working length at a 70-degree angle?
• How frequently are furring strips placed on center in older homes?
• Which of the following chemical agents is classified primarily as a blister agent?
• What specific factor affects the method of hose stretch?
• What is the most reliable way to detect a gas leak?
• Cyanogen chloride is best categorized as which type of agent?
• What does the term 'garden apartment' refer to in modern architecture?
• What is the primary focus when selecting a hose for fire operations?
• High fire loads require how many gallons per minute (gpm) for effective firefighting?
• What should be the firefighters' approach when sufficient personnel are available to perform both rescue and extinguishment?
• One of the dangers of a parapet wall is that it can...
• Townhouses are considered private dwellings that are attached to similar structures on?
• How much psi is the clapper held closed by in automatic dry sprinkler systems?
• Which valve controls the flow of gas from the street into a structure?
• At what temperature does the exothermic torch, also known as a burning bar, operate?
• What type of pressure is experienced in a body of water at rest?
• At what radiation level should the perimeter of the cold zone be established?
• Which of the following is an example of a blood agent?
• How is multiple death defined in the context of fires with operational wet sprinkler systems?
• According to research, what happens to a building’s fire load when it contains large amounts of plastics?
• What is the average height of a windowsill from the floor?
• Which class of standpipe is designated for use by both fire departments and occupants?
• If a fire has vented out one or two windows, how long has it typically been at flashover?
• In the absence of sufficient manpower, which of the following should be prioritized according to firefighting principles?
• How does the presence of a rain roof affect the ventilation of a structure?
• What is a significant risk associated with a cock-loft fire?
• Which of the following is NOT a nerve agent?
• A standard sprinkler operating at 100 psi will discharge how many gallons per minute?
• Why is smoke in the stairs considered a major threat during a fire?
• At a 70-degree climbing angle, what percentage of the ladder's total length is lost?
• If there are no live victims, how long can protective gear keep personnel safe?
• What is the jaw spread of the Hydraulic Force Tool (HFT)?
• Where is the area with the highest life hazard located in a building?
• How many rungs past the roof line should aerial ladders be extended?
• What factor is critical when determining the effectiveness of ventilation during a fire incident?
• What is the first phase of fire progression called?
• What claims have been made regarding the effectiveness of a CAFS system in terms of time and water usage?
• What is the primary consideration when determining the size of the pumping equipment?
• Choking agents like chlorine and phosgene can cause death in as little as how many minutes?
• What occurs to friction loss (FL) when the diameter of the hose is decreased?
• Which of the following scenarios involves a higher likelihood compared to an atomic bomb detonation?
• What is another term for through the lock forcible entry?
• Under which conditions has there never been a multiple death fire?
• What happens to fluid pressure at different depths in an open container?
• When all staircases connect to a common hallway, what is this arrangement often called?
• The smoldering phase of fire progression is characterized by which of the following?
• What is the highest ceiling temperature that can typically be reached during the free burning phase of a fire?
• Which element is a key consideration when planning a firefighting response to a residential fire?
• What is the typical flow rate range for interior hand-lines?
• A gusset plate penetrates wood how far?
• Which type of fire can a Class II standpipe effectively manage?
• What percentage of reported cases have only one or two sprinkler heads activated?
• How many linear feet of cutting is needed to create a standard 8x8 vent hole?
• What are the three steps recommended to protect oneself against the effects of radioactive materials?
• How many families define a multifamily dwelling?
• What does the term 'dynamic pressure' refer to in fluid mechanics?
• Which load type is concrete primarily strong against?
• According to NFPA standards, how many feet of ground ladders are required on an aerial apparatus?
• How much time is allotted for decontamination when using a 45-minute air cylinder?
• What defines a low security padlock in terms of bow diameter?
• What flow rate is typically expected from a sprinkler head covering 100 sqft?
• What is the usual flow rate from a normal sprinkler head at 50 psi?
• What is the primary function of a Siamese connection in a sprinkler system?
• Within what time frame should treatment for minor injuries, receiving a green tag, be completed?
• Many fires in means of egress are often a result of what?
• What is usually the last priority for evacuation during a fire?
• Which group of individuals is typically in the greatest danger during a fire?
• What is the significance of low fire loading in residential firefighting strategy?
• What is the weight of the new Hydraulic Force Tool (HFT)?
• The 20-minute rule applies to which types of construction?
• What is considered the most difficult firemen trap to predict?
• In a multilevel building, after addressing the life hazard, what is the main priority for hose placement?
• Which discharge pressure do all Class A pumpers maximize their flow?
• Which method is least likely to be used for forcible entry based on the locking mechanism?
• Which of the following is an example of a toxin?
• How many feet is the typical height from floor to floor in commercial buildings?
• Which one of the following is NOT a consideration when performing forcible entry?
• What is the maximum length of 1 1/2 inch hose sections that can be preconnected to flow 125 GPM?
• What should firefighters look for in a structure before entering?
• Which of the following steps is NOT recommended for protective measures against radioactive materials?