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Which of the following is a type of radiation? A. Omega B. Delta C. Alpha D. Theta - โโC. Alpha Which term refers to the concentration of a gas or vapor in air that will burn if provided with a source of ignition? A. Flash point B. Vaporization range C. Flammable range D. Combustible limit - โโC. Flammable range _________ describes an amount of vapor mixed with a volume of air A. Vaporization B. Vapor density C. Fuel/air mixture D. Flammable range - โโD. Flammable range What will gasoline or diesel fuel do when water is applied? A. Mix B. Sink to the bottom C. Float to the top D. Separate - โโC. Float to the top What type of radiation is emitted as pure electromagnectic energy?
A. Alpha B. Beta C. Gamma D. Neutron - โโC. Gamma How does the vapor pressure of a liquid relate to its rate of evaporation? A. There is no relationship between these two quantities B. Vapor pressure and rate of evaporation are synonymous C. The greater the vapor pressure, the slower a liquid will evaporate D. The greater the vapor pressure, the faster a liquid will evaporate - โโD. The greater the vapor pressure, the faster a liquid will evaporate What medical intervention was developed as an antidote to nerve agent exposure? A. Pam- 2 B. DuoDote C. P-tab D. Physostigmine - โโB. DuoDote A _____ team conducts a quick evaluation of the area to identify the number of people involved A. Recon B. Rescue C. Survey D. Search - โโA. Recon Which of the following is a defensive action? A. Plugging B. Patching C. Diking D. Product transfer - โโC. Diking
A. Last date that the hose was used B. Reason that any hose fails the test C. Kind of solvent used to clean the hose D. Type of incident the hose was last used in - โโB. Reason that any hose fails the test What factor helps determine the flow path in a structure fire? A. The stage of development of the fire B. The nature and arrangement of the fuel C. The floor plan and openings within the structure D. The temperature reactions of the structure and its contents - โโC. The floor plan and openings within the structure Which statement BEST describes a fire in a large compartment or a compartment with a high ceiling? A. The fire will normally develop more rapidly than one in a small compartment B. Lack of ventilation becomes the limiting factor more quickly in a large compartment than it would in a smaller compartment C. Open plan commercial structures have limited fuel loads and numerous physical barriers to prevent the spread of fire and smoke in the space D. In structures with high ceilings, a large volume of hot smoke and fire gases can accumulate at the ceiling level, while conditions at floor level remain relatively unchanged. - โโD. In structures with high ceilings, a large volume of hot smoke and fire gases can accumulate at the ceiling level, while conditions at floor level remain relatively unchanged. On which type of fires are stored-pressure water mist extinguishers safe and effective to use? A. Class B B. Class C C. Combustible metal fires D. Combustible cooking oil fires - โโB. Class C Double swinging doors: A. Require the use of a rabbit tool for forcible entry
B. Require the use of a cutting torch for forcible entry C. Can often be pried apart using a rambar or halligan D. Can be opened by cutting the door limiter that secures them - โโC. Can often be pried apart using a rambar or halligan Which type of locking device that is often found in hotel rooms restricts the opening of a door using a U- shaped shackle that connects with a shaft and knob mounted on the doorframe? A. Door chain B. Door limiter C. Internal-mounted bolt D. Electronic keyless lock - โโB. Door limiter What are cold roofs designed to do? A. Provide clean and reliable electrical energy from a sustainable source B. Facilitate drainage of rainwater in order to avoid flooding and water damage C. Limit outside cold from penetrating the roof and impacting inside temperatures D. Prevent interior heat from escaping to the attic space and melting snow on the roof - โโD. Prevent interior heat from escaping to the attic space and melting snow on the roof Which action is correct for a fire in a building that is known to be abandoned and unoccupied? A. Operate as you would for any building with similar fire conditions B. Take a hose line inside, perform a primary survey, and extinguish the fire if conditions permit C. Stay outside and fight the fire from the exterior D. Enter the building, perform a primary search, and then get out - โโC. Stay outside and fight fire from the exterior What is the most important reason for team integrity in firefighting operations? A. Chain of command B. Safety of personnel C. Span of control
A. Staying in contact with the hose line B. Staying in contact with a partner C. Use of a guide rope D. Staying in contact with the wall - โโA. Staying in contact with the hose line Which statement about a RIC is correct? A. It is not permitted to perform and non-RIC tasks B. It is required only on hazardous materials and confined-space rescue incidents C. A backup hoseline crew operating inside the hazard zone may function as the RIC D. It is an extension of the two-in/two-out rule - โโD. It is an extension of the two-in/two-out rule What should company officers do if they believe there is a change in the balance of risk to benefit during an incident? A. Change their tactics accordingly B. Report their observations to the incident commander C. Continue with their assignments D. Withdraw without delay - โโB. Report their observations to the incident commander When under great pressure, most people's behavior will revert to ______ A. Instinct B. Habit C. Common sense D. Previous experience - โโB. Habit Who is responsible for knowing the location of every member of a fire company at all times? A. The company officer B. The safety officer C. The accountability officer D. All personnel - โโA. The company officer
In the context of fire fighter survival, what is a safe location? A. Any safe haven or building used for sheltering in place B. A location that is less hazardous than the alternatives C. A temporary staging area immediately adjacent to the hazard zone D. Any location outside the threatened area - โโB. A location that is less hazardous than the alternatives Which phrase indicates an imminent fire-ground hazard, such as a structural collapse? A. "Hold all traffic" B. "Code 30" C. "Emergency traffic" D. "Mayday" - โโC. "Emergency Traffic" Which OSHA standard mandates the use of backup teams at incidents where operations are conducted in an IDLH atmosphere? A. 1500. B. 1910. C. 2000. D. 2610.472 - โโB. 1910. If a fire fighter becomes disoriented, how can the hose line be used to assist in egress? A. Move in the direction of the shank without lugs B. Place one hand on the swivel and one hand on the shank; move in the direction of the swivel C. Place both hands on a coupling; travel in the direction of the hand holding the male coupling D. The male coupling is on the end of the hose nearest the apparatus - โโC. Place both hands on a coupling; travel in the direction of the hand holding the male coupling What is the term for an event that threatens to exceed a fire fighters ability to cope? A. Traumatic event
How is a sprinkler wedge used to stop flow from an activated sprinkler? A. Insert the wedge into the orifice and drive it into place with a striking tool B. Tap a wedge into place between the orifice and the deflector C. Tap two wedges into place above and below the deflector D. Push two wedges together from opposite sides between the orifice and the deflector - โโD. Push two wedges together from opposite sides between the orifice and the deflector A long section of protective material used to protect flooring or carpet is a: A. Floor roll B. Salvage mat C. carpet cover D. Floor runner - โโD. Floor runner A threaded stem indicates the valve position on which sprinkler control valve? A. Outside stem and yoke B. Post indicator C. Gate D. Butterfly - โโA. Outside stem and yoke Operating a PIV handle is similar to operating a: A. Nozzle bale B. Pump panel pull-valve C. Hydrant wrench D. Ball valve - โโC. Hydrant wrench Ideally, when should overhaul operations begin? A. As soon as resources are available B. After fire investigators have examined the scene C. Anytime after extinguishment
D. Concurrently with salvage - โโB. After fire investigators have examined the scene Which hazard is of particular concern when running an electrical generator in an enclosed space? A. Hearing protection B. Grounding C. Ventilation D. Heat from the exhaust system - โโC. Ventilation What is the maximum wattage that an apparatus-mounted generator can produce? A. Less than 5000 watts B. Between 5000 and 10,000 watts C. Between 10,000 and 15,000 watts D. 20,000 or more watts - โโD. 20,000 or more watts The output range for portable lights is generally _____ watts A. 250 to 500 B. 500 to 750 C. 500 to 1000 D. 300 to 1500 - โโD. 300 to 1500 The lighting and power equipment used on an emergency scene generally operate at _______ A. 110-volt DC B. 220-volt DC C. 110-volt AC D. 220-volt AC - โโC. 110-volt AC Which device interrupts the current when there is a problem with an electrical ground? A. ECB
Ideally, when should salvage operations begin? A. During fire attack B. After the safety officer has tested the atmosphere C. After completion of the cause/origin investigation D. After the fire is declared under control - โโA. During fire attack What should be done when a small tear is found in a salvage cover? A. Return the cover to the manufacturer for repair B. Repair the tear with a vulcanizing-type patch C. Remove the cover from service D. Apply duct tape over the tear - โโD. Apply duct tape over the tear What is an inverter? A. Lightweight portable generator B. Vehicle-mounted generator C. AC to DC plug-in adapter D. Vehicle-mounted DC to AC transformer - โโD. Vehicle-mounted DC to AC transformer A fire fighter's first priority should be to take care of: A. the members of his or her company B. the general public C. people affected by the incident D. himself or herself - โโD. himself or herself A firefighter can lose up to ______ in an hour of strenuous exertion A. 0.5 quart (0.5 liter) B. 1 quart (1 liter) C. 1.5 quarts (1.5 liters)
D. 2 quarts (2 liters) - โโD. 2 quarts (2 liters) At which types of incidents should a rehabilitation center be established? A. High intensity/long-duration incidents B. Incidents requiring the use of full PPE C. All fire incidents D. All incidents - โโA. High intensity/long-duration incidents What is an ideal location for the rehabilitation center at a high-rise fire? A. In a safe location on the fire floor B. Two or three floors below the fire C. In the lobby of the fire building D. Outside but nearby the building - โโB. Two or three floors below the fire At 5 percent dehydration, work capacity can be decreased by as much as _____ A. 5 percent B. 10 percent C. 20 percent D. 30 percent - โโD. 30 percent Which item of information is tracked by a personnel accountability system? A. Chain of command B. Each crew's assignment C. Time spent in an IDLH atmosphere D. Progress benchmarks - โโB. Each crew's assignment Which of the following is a component of a typical natural gas service? A. A storage tank
The concept of conduction is useful for predicting ______. a. Duration of burn b. Direction of fire spread c. Occupant survivability d. Extent of involvement - โโA. direction of fire spread Which characteristic is associated with modern lightweight construction techniques? A. Higher dead load B. A more air-tight structure C. Greater susceptibility to collapse D. Unstopped stud bays - โโC. Greater susceptibility to collapse In a fire response, which goal has the highest priority? a. Extinguishing the fire b. Preventing spread of fire to exposures c. Preventing rekindle d. Protecting building contents - โโC. Preventing spread of fire to exposures What is the second priority in basic fire-ground objectives? A. Salvage B. Exposure protection C. Extinguishment D. Confinement - โโB. Exposure protection Which term means the evaluation of structure fire conditions to determine if occupants could be alive? A. size up B. Survivability profiling C. Risk management
D. Triage - โโB. Survivability profiling What does the "S" stand for in "RECEO-VS" A. Span of control B. Salvage C. Size up D. Search - โโB. Salvage Who is generally the most valuable and reliable source of information about a building? A. Neighbors B. Occupants C. Witnesses D. Maintenance personnel - โโD. Maintenance personnel Which building feature would create the greatest challenge for fire fighters in gaining access to trapped victims? A. Hung acoustic ceilings B. Security bars on windows C. Solid-core doors D. Self-closing fire doors - โโB. Security bars on windows What is the attack plan based upon at a fire? A. Facts B. possibilities C. Probabilities D. Worst case scenarios - โโC. Probabilities What is a critical factor to consider when evaluating the potential for collapse of a burning structure? A. Size of the collapse zone
The priorities of the basic five fire-ground objectives are _________ A. Separate and exclusive B. Not separate and not exclusive C. Separate but not exclusive D. Not separate but exclusive - โโB. Not separate and not exclusive Which form of heat transfer consists of kinetic energy moving from one particle to another in solid materials? A. Induction B. Reduction C. Conduction D. Convection - โโC. Conduction Heat traveling from one end of a steel beam to the other end is an example of _________. A. Convection B. Catalyzation C. Vaporization D. Pyrolysis - โโD. Conduction A chemical reaction that produces heat is: A. Exothermic B. Thermodynamic C. Isothermic D. Endothermic - โโA. Exothermic Which form of heat travels in all directions? A. Convection B. Thermal radiation C. Conduction
D. Direct contact - โโB. Thermal radiation And endothermic reaction is one that: A. requires a catalyst B. absorbs heat C. occurs in the absence of oxygen D. releases energy - โโB. Absorbs heat Friction is a form of _______ energy A. Radiant B. Molecular C. Mechanical D. Kinetic - โโC. Mechanical The majority of fires are extinguished by which method? A. Cooling the fuel B. Excluding oxygen C. Suppressing the vapor emission D. Inhibiting the chemical chain reaction - โโA. Cooling the fuel The neutral plane is most directly associated with: A. heat flux B. thermal layering C. flow path D. fuel continuity - โโB. Thermal layering Which effect of fire development is a result of modern construction techniques and materials? A. Tendency for multiple flow paths
