Download TCFP Exam Questions and Answers: Firefighter Professional Qualifications and more Exams Safety and Fire Engineering in PDF only on Docsity!
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NFPA 1001 is the - ✔✔Standard for Firefighter Professional Qualifications One of the primary functions of the truck/ladder company is - ✔✔performing forcible entry to fire scene buildings OSHA may establish regulations governing fire department activities such as - ✔✔health and safety In the ICS, the functional area responsible for all incident activities, including the development and implementation of strategic decisions, is - ✔✔Command What normal body cooling mechanism is lost when wearing PPE? - ✔✔Evaporation of perspiration What is one aspect of high rise fires that is especially draining of energy? - ✔✔walking up many flights of stairs in PPE A _______ permits firefighters to gain access during an emergency - ✔✔key box/lock box In kernmantle rope, the kern or core of the rope accounts for approximately _____ of its strength - ✔✔75 percent The combination of knots recommended to hoist a pike pole includes - ✔✔a clove hitch and half hitches The order of rank and authority in the fire service describes - ✔✔chain of command The street, or address side of the structure is termed - ✔✔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 - ✔✔specific gravity Life safety rope should be stored in - ✔✔coils in rope bags Toxic atmospheres due to smoke and heat are called - ✔✔immediately dangerous to life and health Which of the following has the highest priority for radio transmission? - ✔✔Emergency traffic from a unit working at a fire or rescue The telecommunicator's first responsibility is to - ✔✔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 - ✔✔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 - ✔✔dangerous, because it is depleting the air supply more quickly The bypass valve on a SCBA is used - ✔✔in emergency situations involving a malfunctioning regulator The first noticeable sign of oxygen deficiency is - ✔✔increased respiratory rate and impaired muscular coordination Four hazardous atmospheres that firefighters are likely to encounter at a fire are - ✔✔super heated air, toxic gases, oxygen deficiency, and smoke Trapped firefighters awaiting rescue will use less air if they - ✔✔control their breathing The primary function of the bypass valve on the SCBA is - ✔✔for use if the regulator fails
Soft sleeve intake hose is used for - ✔✔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 - ✔✔at the base Extinguishing agents safe for use on fires in or near energized electrical equipment include - ✔✔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 _____ - ✔✔blue circle Extinguishers suitable for Class D fires can be identified by a ____ containing the letter D. I colored, it should be _____ - ✔✔yellow star Stell and aluminum cylinders for breathing apparatus should be hydrostatically tested after each ____ year period - ✔✔four When loading fire hose, the ____ serves to change the direction of the hose and can also change the location of a coupling - ✔✔dutchman Which is not a common load for pre connected attack lines? flat, triple layer, straight, minuteman - ✔✔straight An acceptable use for the ____ is to attach a rope to an object such as a pole, post, or hose line - ✔✔clove hitch Which of the following is incorrect with regard to natural fiber ropes - ✔✔they work best as life safety lines When receiving reports of emergencies by telephone, the individual should always speak - ✔✔clearly, slowly, and with good volume
Which of the following is not an appropriate procedure or consideration before applying foam - ✔✔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 - ✔✔hand tight Which of the following is true regarding SCBA? - ✔✔All scba face pieces must be fit tested A least desirable point for forcible entry is - ✔✔A revolving door A personnel accountability system tracks which firefighters are assigned to each vehicle and - ✔✔Each crew's assignment A hose roller is - ✔✔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 - ✔✔ 50 Which of the following statements regarding the accordion load is incorrect - ✔✔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? - ✔✔Charged What is a recommended practice to prevent mechanical fire hose damage? - ✔✔Open and close nozzles, valves, and hydrants slowly The usual cause of collapse of open web steel joist is the - ✔✔Amount of heat generated by the fire in a structure Hidden fires can be detected by - ✔✔Feeling it with the back of the hand
What does automatic number identification feature of enhance 911 do? - ✔✔Show the caller's phone number What is NOT a limitation of a ff's ability to use SCBA - ✔✔Oxygen cylinder size When filling an SCBA cylinder, the cylinder must be - ✔✔Placed in a fragmentation containment or other shielded device A cutting torch has a flame temperature of - ✔✔5000 degrees f During which of the following operations are personnel allowed to be outside the cab while an apparatus is in motion? - ✔✔hose loading An informal discussion with incident responders conducted after the incident is known as: - ✔✔defusing What is the minimum noise level, in decibels, which requires firefighters in the United States to wear hearing protection? - ✔✔ 90 The instantaneous explosion of superheated gases that occurs when oxygen is introduced into an oxygen-depleted confined space is known as a: - ✔✔backdraft Which of the following best represents nonflaming or smoldering combustion? - ✔✔fire triangle Which of the following best represents flaming combustion? - ✔✔fire tetrahedron What is the most common product of combustion encountered in structure fires? - ✔✔carbon monoxide Controlling fire by interrupting the combustion reaction is known as: - ✔✔chemical flame inhibition
Which of the following is a type of expelling agent used in a portable fire extinguisher? - ✔✔stored pressure What is the difference between dry chemical and dry powder extinguishing agents? - ✔✔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? - ✔✔wet chemical system What is a commonly used dry chemical in portable fire extinguishers? - ✔✔monoammonium phosphate How many gallons of water is required for a fire extinguisher to have a 2-A rating? - ✔✔2. The three factors that determine the value of a fire extinguisher are its serviceability, its accessibility, and its - ✔✔simplicity of operation What is the only type of rope construction that is approved for use as a life safety applications? - ✔✔block creel construction Which of the following is a characteristic of synthetic fiber rope? - ✔✔resistant to mildew What type of rope is used for most rope-rescue incidents? - ✔✔static rope What is the minimum allowed diameter for rope that is rated as general use life safety rope? - ✔✔7/ inch What is the minimum breaking strength required for general use life safety ropes? - ✔✔9000 lbs Rope constructed by twisting several groups of individual strands together is known as: - ✔✔laid rope
Which type of ladder is used to gain access to attics and can be carried in narrow hallways? - ✔✔folding ladder An extension ladder with the fly sections fully retracted is in the: - ✔✔bedded position Where should the ladder tip be placed when using a ladder to perform a rescue from a window opening? - ✔✔tip of ladder just below windowsill Which carry is typically used for a 35 ft. extension ladder? - ✔✔three firefighter flat shoulder carry What is the minimum distance of separation between a ladder and energized electrical equipment? - ✔✔10 feet What is the proper location for the fly section of a metal ladder when the fly section(s) are extended? - ✔✔fly out The tendency of gases to form into layers, according to temperature, with the hottest gases at the top is known as: - ✔✔thermal layering How does ventilation control fire spread during a structural fire? - ✔✔The release of smoke and heat reduces the rate at which fire will spread. What is a sign of a potential backdraft? - ✔✔smoke stained windows What is the typical construction used for flat roofs on commercial buildings? - ✔✔joists covered with decking What type of ventilation is used to stop the spread of a fire in a long, narrow structure? - ✔✔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? - ✔✔OS&Y Valve What is the difference between soft sleeve and hard suction hose? - ✔✔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? - ✔✔chafing blocks What is used to make the connection between the male and female ends of a fire hose watertight? - ✔✔swivel gasket What type of valve is used in pumper discharges and gated wyes? - ✔✔ball valve What type of valve incorporates a flat baffle that turns 90 degrees? - ✔✔butterfly valve _________________ is the quantity of heat absorbed by a substance at the point at which it changes from a liquid to a vapor. - ✔✔latent heat of vaporization Water will expand approximately ________ times its original volume when heated to 212°F (100°C). - ✔✔ 1700 Most master stream solid-stream devices are operated at _____ psi. - ✔✔ 80 The designed operating pressure for most combination nozzles is: - ✔✔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. - ✔✔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. - ✔✔bank down
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? - ✔✔inspectors test valve What type of sprinkler system is used to prevent water damage, even if the pipes become broken? - ✔✔preaction Those operations that aid in reducing primary and secondary damage during fire fighting operations is the definition of: - ✔✔salvage What should be developed for buildings with high-value contents that are susceptible to water and smoke damage? - ✔✔Special preincident plans A common obstacle to efficient salvage operations in commercial occupancies and warehouses is a lack of: - ✔✔skids or pallets under stock What percentage of convictions occurs as a result of suspected incendiary fires? - ✔✔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: - ✔✔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: - ✔✔familiar faces in the crowd of bystanders ______________ may produce abnormally high heat intensity and may be confused with the use of accelerants. - ✔✔Polyurethane A ____________________________ is any location or facility at which 9- 1 - 1 calls are answered either by direct calling, rerouting, or diversion. - ✔✔Public Safety Answering Point (PSAP) A predetermined number of fire units assigned to respond to an emergency is known as: - ✔✔alarm assignment
Two common emergency signals are broadcasting a radio message ordering the evacuation and: - ✔✔Sound the audible warning devices on apparatus at the scene. Which of the following components of a fire is most manageable through fire prevention? - ✔✔heat source Which of the following will cause mechanical heat energy? - ✔✔machine bearings What fire hazard arises from the processes or operations peculiar to an individual occupancy? - ✔✔special fire hazard Which of the following code violations must be corrected immediately by the property owner? - ✔✔obstructed exit door
