TCFP Exam Questions and Answers 2022

NFPA 1001 is the - ANSWER Standard for Firefighter Professional Qualifications One of the primary functions of the truck/ladder company is - ANSWER performing forcible entry to fire scene buildings OSHA may establish regulations governing fire department activities such as - ANSWER health and safety In the ICS, the functional area responsible for all incident activities, including the development and implementation of strategic decisions, is - ANSWER Command What normal body cooling mechanism is lost when wearing PPE? - ANSWER Evaporation of perspiration What is one aspect of high rise fires that is especially draining of energy? - ANSWER walking up many flights of stairs in PPE A _______ permits firefighters to gain access during an emergency - ANSWER key box/lock box In kernmantle rope, the kern or core of the rope accounts for approximately _____ of its strength - ANSWER 75 percent The combination of knots recommended to hoist a pike pole includes - ANSWER a clove hitch and half hitches The order of rank and authority in the fire service describes - ANSWER chain of command The street, or address side of the structure is termed - ANSWER Division A The ratio of the mass of a given volume of liquid compared with the mass of an equal volume of water at the same temperature is - ANSWER specific gravity Life safety rope should be stored in - ANSWER coils in rope bags Toxic atmospheres due to smoke and heat are called - ANSWER immediately dangerous to life and health Which of the following has the highest priority for radio transmission? - ANSWER Emergency traffic from a unit working at a fire or rescue The telecommunicator's first responsibility is to - ANSWER obtain the information that is required to dispatch the appropriate units to the correct location Before transmitting any information over the fire department radio, a fire fighter should - ANSWER listen to be sure the channel is not being used When using positive pressure SCBA, a poor seal between the face piece and the firefighter's face is - ANSWER dangerous, because it is depleting the air supply more quickly The bypass valve on a SCBA is used - ANSWER in emergency situations involving a malfunctioning regulator The first noticeable sign of oxygen deficiency is - ANSWER increased respiratory rate and impaired muscular coordination Four hazardous atmospheres that firefighters are likely to encounter at a fire are - ANSWER super heated air, toxic gases, oxygen deficiency, and smoke Trapped firefighters awaiting rescue will use less air if they - ANSWER control their breathing The primary function of the bypass valve on the SCBA is - ANSWER for use if the regulator fails The proper position of the bypass valve on positive pressure SCBA under normal conditions is - ANSWER fully closed Hypoxia is - ANSWER a deficiency of oxygen inhaled toxic gases can directly cause - ANSWER disease of the lung tissue What is incorrect about the two SCBA types in fire service use? - ANSWER The closed circuit type is commonly used for structural firefighting The purpose of the PASS device is to - ANSWER sound and alarm if a firefighter is motionless for a set period of time At the beginning of the shift, the firefighter should make sure their SCBA is at least __% full - ANSWER 90 Once overhead doors have forced, they should be - ANSWER blocked open Which tool is a pulling tool? Crowbar, flathead ax, pike pole, halligan - ANSWER pike pole What is one example of a hand powered hydraulic spreader tool? - ANSWER Rabbet tool Overhaul operations should commence - ANSWER after fire investigation concerns are met Ideally when should fire investigators begin their work scene - ANSWER before overhaul starts If large amounts of water need to be removed from areas lacking floor drains, firefighters may _____ to remove the water quickly - ANSWER remove toilets and use the sewer system as a drain Soft sleeve intake hose is used for - ANSWER transferring water from a hydrant to an apparatus On a dry barrel hydrant, the valve that controls water flow to all outlets is located_____ of the hydrant - ANSWER at the base Extinguishing agents safe for use on fires in or near energized electrical equipment include - ANSWER carbon dioxide and dry chemical Extinguishers suitable for Class A fires can be identified by a ____ containing the letter A. I colored, it should be _____ - ANSWER blue circle Extinguishers suitable for Class D fires can be identified by a ____ containing the letter D. I colored, it should be _____ - ANSWER yellow star Stell and aluminum cylinders for breathing apparatus should be hydrostatically tested after each ____ year period - ANSWER four When loading fire hose, the ____ serves to change the direction of the hose and can also change the location of a coupling - ANSWER dutchman Which is not a common load for pre connected attack lines? flat, triple layer, straight, minuteman - ANSWER straight An acceptable use for the ____ is to attach a rope to an object such as a pole, post, or hose line - ANSWER clove hitch Which of the following is incorrect with regard to natural fiber ropes - ANSWER they work best as life safety lines When receiving reports of emergencies by telephone, the individual should always speak - ANSWER clearly, slowly, and with good volume Which of the following is not an appropriate procedure or consideration before applying foam - ANSWER the use of foam is limited to combustible liquids the coupling on the high pressure hose that is attached to an SCBA cylinder should be - ANSWER hand tight Which of the following is true regarding SCBA? - ANSWER All scba face pieces must be fit tested A least desirable point for forcible entry is - ANSWER A revolving door A personnel accountability system tracks which firefighters are assigned to each vehicle and - ANSWER Each crew's assignment A hose roller is - ANSWER A curved metal frame that fits over the edge of a roof or windowsill Solid stream handlines are designed to be operated at a nozzle pressure of ____ psi - ANSWER 50 Which of the following statements regarding the accordion load is incorrect - ANSWER It is the preferred way to load large diameter hose What is the safest and best way to advance a hose line up a ladder? - ANSWER Charged What is a recommended practice to prevent mechanical fire hose damage? - ANSWER Open and close nozzles, valves, and hydrants slowly The usual cause of collapse of open web steel joist is the - ANSWER Amount of heat generated by the fire in a structure Hidden fires can be detected by - ANSWER Feeling it with the back of the hand What feature is required on a fire department connection that allows a ff to charge the first hose line prior to connecting the second - ANSWER Clapper valve A blue circle with a letter designation in the center would indicate an extinguisher for use on ___ fires - ANSWER Class c Dry powder extinguishers are rated for use on ____ metals - ANSWER Class D Halon fire extinguishers are primarily designed for use on ____ fires - ANSWER Class B and C A blue circle with a letter designation in the center would indicate an extinguisher is rated for use on ____ fires - ANSWER Class C Pump tank extinguishers are used to apply - ANSWER Water When drying synthetic rope, keep it - ANSWER Out of sunlight _____ should be applied to wooden tool handles to prevent roughness and warping - ANSWER Boiled linseed oil The main advantage of the donut roll - ANSWER Both ends are available on the outside of the roll Hose is unloaded at the scene of a fire and the pumper proceeds to the water source this is - ANSWER A forward lay About how much of a kernmantle rope's strength is provided by the mantle - ANSWER 25 to 30 percent The strategy of an incident which of the following - ANSWER Offensive and defensive mode What does automatic number identification feature of enhance 911 do? - ANSWER Show the caller's phone number What is NOT a limitation of a ff's ability to use SCBA - ANSWER Oxygen cylinder size When filling an SCBA cylinder, the cylinder must be - ANSWER Placed in a fragmentation containment or other shielded device A cutting torch has a flame temperature of - ANSWER 5000 degrees f During which of the following operations are personnel allowed to be outside the cab while an apparatus is in motion? - ANSWER hose loading An informal discussion with incident responders conducted after the incident is known as: - ANSWER defusing What is the minimum noise level, in decibels, which requires firefighters in the United States to wear hearing protection? - ANSWER 90 The instantaneous explosion of superheated gases that occurs when oxygen is introduced into an oxygen-depleted confined space is known as a: - ANSWER backdraft Which of the following best represents nonflaming or smoldering combustion? - ANSWER fire triangle Which of the following best represents flaming combustion? - ANSWER fire tetrahedron What is the most common product of combustion encountered in structure fires? - ANSWER carbon monoxide Controlling fire by interrupting the combustion reaction is known as: - ANSWER chemical flame inhibition Which of the following is a type of expelling agent used in a portable fire extinguisher? - ANSWER stored pressure What is the difference between dry chemical and dry powder extinguishing agents? - ANSWER dry powder is suitable for combustible metal fires What type of extinguishing system is frequently installed in range hoods and places where grease may accumulate? - ANSWER wet chemical system What is a commonly used dry chemical in portable fire extinguishers? - ANSWER monoammonium phosphate How many gallons of water is required for a fire extinguisher to have a 2-A rating? - ANSWER 2.5 The three factors that determine the value of a fire extinguisher are its serviceability, its accessibility, and its - ANSWER simplicity of operation What is the only type of rope construction that is approved for use as a life safety applications? - ANSWER block creel construction Which of the following is a characteristic of synthetic fiber rope? - ANSWER resistant to mildew What type of rope is used for most rope-rescue incidents? - ANSWER static rope What is the minimum allowed diameter for rope that is rated as general use life safety rope? - ANSWER 7/16 inch What is the minimum breaking strength required for general use life safety ropes? - ANSWER 9000 lbs Rope constructed by twisting several groups of individual strands together is known as: - ANSWER laid rope How often should unused ropes be inspected? - ANSWER annually What is the minimum number of firefighters for a search team? - ANSWER 2 What type of carabiner is best for use in rescue operations? - ANSWER positive locking type The priority for searching a multi-story building is the fire floor, the floor immediately above the fire floor, and the: - ANSWER topmost floor If needed, which of the following tools could be used to remove a laminated windshield in a vehicle? - ANSWER air chisel What is the proper and safe position for an acetylene cylinder that is part of a cutting torch kit? - ANSWER secure and upright What is the most common use of a chain saw during fire ground operation? - ANSWER ventilation Why should the use of a cheater on a prying tool be avoided? - ANSWER the tool can break and injure the firefighter What is the best method for sharpening the cutting edge of an axe? - ANSWER by hand What is the best lubricant for unprotected metal surfaces? - ANSWER light machine oil What is the device used to prevent a patio sliding door from being forced open? - ANSWER burglar block Which type of overhead door is generally easiest to force unless it is motor driven? - ANSWER sectional What are the devices attached to the inside of the beams on fly sections used to hold the fly section in place? - ANSWER pawls Which type of ladder is used to gain access to attics and can be carried in narrow hallways? - ANSWER folding ladder An extension ladder with the fly sections fully retracted is in the: - ANSWER bedded position Where should the ladder tip be placed when using a ladder to perform a rescue from a window opening? - ANSWER tip of ladder just below windowsill Which carry is typically used for a 35 ft. extension ladder? - ANSWER three firefighter flat shoulder carry What is the minimum distance of separation between a ladder and energized electrical equipment? - ANSWER 10 feet What is the proper location for the fly section of a metal ladder when the fly section(s) are extended? - ANSWER fly out The tendency of gases to form into layers, according to temperature, with the hottest gases at the top is known as: - ANSWER thermal layering How does ventilation control fire spread during a structural fire? - ANSWER The release of smoke and heat reduces the rate at which fire will spread. What is a sign of a potential backdraft? - ANSWER smoke stained windows What is the typical construction used for flat roofs on commercial buildings? - ANSWER joists covered with decking What type of ventilation is used to stop the spread of a fire in a long, narrow structure? - ANSWER trench ventilation Which type of valve used as a control valve for a sprinkler system indicates whether the valve is open or closed by the position of the center screw? - ANSWER OS&Y Valve What is the difference between soft sleeve and hard suction hose? - ANSWER soft suction hose must be used with pressurized water sources What is the best method for preventing mechanical damage to fire hose when the hose vibrates near the pumper? - ANSWER chafing blocks What is used to make the connection between the male and female ends of a fire hose watertight? - ANSWER swivel gasket What type of valve is used in pumper discharges and gated wyes? - ANSWER ball valve What type of valve incorporates a flat baffle that turns 90 degrees? - ANSWER butterfly valve _________________ is the quantity of heat absorbed by a substance at the point at which it changes from a liquid to a vapor. - ANSWER latent heat of vaporization Water will expand approximately ________ times its original volume when heated to 212°F (100°C). - ANSWER 1700 Most master stream solid-stream devices are operated at _____ psi. - ANSWER 80 The designed operating pressure for most combination nozzles is: - ANSWER 100 psi To be most effective in suppressing fuel vapors from an unignited fuel spill, a Class B foam blanket should be at least _______ thick. - ANSWER 4 inches The ______________ method is used to apply foam by directing it onto a nearby object and allowing the foam to run down and onto the fuel's surface. - ANSWER bank down The smallest handline used for interior fire fighting should be a ________ line. - ANSWER 1.5 inch Firefighters can cool the hot gas layer overhead by applying short bursts of water fog into it using a ___________ degree fog pattern. - ANSWER 40-60 Except for quick attack devices, it is not practical to set up master stream devices with anything less than _______ 2½ inch hoselines. - ANSWER 2 The most common types of aerial devices are quints, aerial ladders, aerial platforms, and: - ANSWER water towers The application of ____________ is the method most often used to control flammable liquid fires. - ANSWER foam When dealing with fires in underground transmission lines, fire apparatus should be parked at least _________ from the site. - ANSWER 300 feet When attacking a vehicle fire, the attack line should be at least a ____________ hoseline. - ANSWER 1.5 inch The three basic types of auxiliary systems include the local energy system, shunt system, and: - ANSWER parallel telephone system The three most common release mechanisms for activation of sprinklers include fusible links, frangible bulbs, and: - ANSWER chemical pellets A sprinkler storage cabinet is required to house a sprinkler wrench and a minimum of how many spare sprinklers? - ANSWER six Which type of control valve uses a circular disk inside a flat plate on top of the valve housing to indicate whether the valve is open or close? - ANSWER post indicator valve Which valve in a sprinkler system is located in a remote part of the system, normally discharges outside the building, and is used to simulate the activation of a single sprinkler? - ANSWER inspectors test valve What type of sprinkler system is used to prevent water damage, even if the pipes become broken? - ANSWER preaction Those operations that aid in reducing primary and secondary damage during fire fighting operations is the definition of: - ANSWER salvage What should be developed for buildings with high-value contents that are susceptible to water and smoke damage? - ANSWER Special preincident plans A common obstacle to efficient salvage operations in commercial occupancies and warehouses is a lack of: - ANSWER skids or pallets under stock What percentage of convictions occurs as a result of suspected incendiary fires? - ANSWER 2% The cause of a fire is a combination of the fuel that is ignited, the form and source of the heat of ignition, and: - ANSWER an act or omission that brings them together Observations made by firefighters upon arrival at the fire scene include wind direction and velocity, the presence of burglary tools, and: - ANSWER familiar faces in the crowd of bystanders ______________ may produce abnormally high heat intensity and may be confused with the use of accelerants. - ANSWER Polyurethane A ____________________________ is any location or facility at which 9-1-1 calls are answered either by direct calling, rerouting, or diversion. - ANSWER Public Safety Answering Point (PSAP) A predetermined number of fire units assigned to respond to an emergency is known as: - ANSWER alarm assignment Two common emergency signals are broadcasting a radio message ordering the evacuation and: - ANSWER Sound the audible warning devices on apparatus at the scene. Which of the following components of a fire is most manageable through fire prevention? - ANSWER heat source Which of the following will cause mechanical heat energy? - ANSWER machine bearings What fire hazard arises from the processes or operations peculiar to an individual occupancy? - ANSWER special fire hazard Which of the following code violations must be corrected immediately by the property owner? - ANSWER obstructed exit door