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Firefighter 3 Study Guide 202 3 - 2024. 250+
Questions and VERIFIED Answers(WILDLAND
SECTION) ALREADY GRADED A
The most important factor to consider in forcible entry is to: - ANSWER>>select the right tool to do the job. When making a large opening in a masonry wall, a __________ shape should be cut to help maintain structural integrity. - ANSWER>>triangle/inverted V What is the leading cause of firefighter injuries? - ANSWER>>overexertion and strain The proper name for one of the two principal structural sides of a ladder is a: - ANSWER>>beam
- Which of the following is not a requirement for an individual trained in fire suppression? - ANSWER>>Knowing the department's operating procedures -----Being certified as a pumper driver/operator---- The ability to use a self-contained breathing apparatus Knowing the department's response area or district Which of the following statements regarding power saw safety is incorrect? - ANSWER>>The saw should be started on level ground and carried up the ladder while running. During overhaul, if firefighters have a concern about a void space concealing a "hot spot," they should: - ANSWER>>open the void space immediately. The process of dividing large jobs into smaller jobs to make them more manageable is described as: - ANSWER>>division of labor. Which of the following is not a method for preventing mechanical damage to fire hose? - ANSWER>>Remove wet hose from apparatus and replace with dry hose. During an interior structural fire attack, if ventilation holes cannot be made large enough, or if ventilation will be delayed, then it is important to keep the nozzle on a - ANSWER>>straight The fire tetrahedron includes all the elements of the fire triangle plus: - ANSWER>>chemical reaction.
Which of the following is an advantage of the flat load? - ANSWER>>It is the best way to load large-diameter hose. Firefighters can expect to find ledge doors in: - ANSWER>>barns and warehouses The person that stabilizes the victim of accidents or illness until more highly trained medical personnel arrive is the: - ANSWER>>first responder The __________ stage occurs when all combustible materials in the compartment are involved in the fire. - ANSWER>>fully developed After a roof has been opened up, the firefighter must: - ANSWER>>ensure the ceiling below the cut is opened. During the __________ stage of fire, the fire frequently becomes ventilation controlled. - ANSWER>>fully developed Surface fuels are involved in what type of fire? - ANSWER>>ground cover While working from a ground ladder, the hook on the firefighter's safety harness should be: - ANSWER>>attached to a rung A stream discharging more than 350 gpm is know as a/an __________ stream. - ANSWER>>master What is the first step a firefighter should take if their SCBA becomes damaged or malfunctions? - ANSWER>>Remain calm and rely on previous training. 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 A primary safety concern when raising a ladder should be: - ANSWER>>possible contact with electrical wires and overhead obstructions. Which of the following is an advantage of the accordion load? - ANSWER>>Hose for shoulder carries can easily be taken from the load. Hose is unloaded at the scene of a fire and the pumper proceeds to the water source. This is an example of a __________ lay. - ANSWER>>reverse Fire can be extinguished by: - ANSWER>>reducing heat, removing oxygen, removing fuel, or stopping the chemical chain reaction. Compartment fires in the __________ stage are generally fuel/oxygen controlled. - ANSWER>>growth
What new class of fire involves combustible cooking media, such as oils and grease? - ANSWER>>class k A disadvantage of a mounted generator is that: - ANSWER>>generator engines are noisy. Which of the following is true regarding reinforcement stars on buildings? - ANSWER>>Which of the following is true regarding reinforcement stars on buildings? Two of the most common types of lightweight truss construction are: - ANSWER>>wooden and lightweight steel trusses. Overhead doors typically have three types of latching devices. These are: - ANSWER>>side lock, center latch, and side lock and latch. With respect to the forcible entry team, in what direction will a door with exposed or visible hinges move? - ANSWER>>It swings toward the forcible entry team. The __________ must be stamped or labeled on a compressed air cylinder. - ANSWER>>last hydrostatic test date. Which of the following are not products of combustion. - ANSWER>>convection, conduction, radiation, and direct contact. Fire department ladders should be __________ after each use and on a monthly basis.
- ANSWER>>inspected The hose load finish that is designed for forward lays is the: - ANSWER>>straight finish Conservative estimates say that the presence of a screen in a window reduces the airflow by nearly __________ percent. - ANSWER>>50% Hose that has come in contact with an acidic chemical should be thoroughly scrubbed: - ANSWER>>with a solution of baking soda and water. A dutchman is: - ANSWER>>used when loading hose and has a short fold or a reverse fold with a coupling at the point where a fold should occur. Which of the following is not considered a function of the rescue company? - ANSWER>>Stretching the initial attack line The coupling on the high pressure hose that is attached to an SCBA cylinder should be:
- ANSWER>>hand tight. Water supply and distribution systems should be designed to meet the community's needs for consumer use and: - ANSWER>>fire protection
backdraft is - ANSWER>>the rapid ignition of smoke/unburned gases. The phenomenon by which heat, smoke, and fire gases will travel upward to the highest point and become trapped, accumulate, bank down, and spread out laterally is known as: - ANSWER>>mushrooming When cutting through a roof, a firefighter should avoid: - ANSWER>>cutting through joists, rafters, or trusses. Both fill sites and dump site selection should be based on: - ANSWER>>minimal backing (or maneuvering) of apparatus. The very top of a ladder is called the: - ANSWER>>tip The purpose of a hose adaptor is to connect two hose sections of: - ANSWER>>equal diameter, but differing threads. In comparison to other doors, metal swinging doors are difficult to force, due to: - ANSWER>>the way they open. construction and design Which of the following statements regarding wet barrel and dry barrel hydrants is incorrect? - ANSWER>>Wet barrel hydrants are commonly used in the northern parts of the United States. A 50 foot steel beam will elongate as much as __________ inches when heated from room temperature to about ____________ degrees Fahrenheit. - ANSWER>>4" /1000deg Which of the following is a recommended practice to prevent thermal fire hose damage?
- ANSWER>>Roll dry hose in a straight roll for storage to keep the liner from drying out. The safest way for a firefighter to disconnect electrical service to a building is to: - ANSWER>>shut off the main breakers/switch at the service panel. The tool that is specifically designed to open double doors equipped with panic bars is a(n): - ANSWER>>j-tool The primary function of the bypass valve on SCBA is: - ANSWER>>for use if the regulator fails. Which one of the following statements is incorrect with regard to natural fiber ropes? - ANSWER>>They work best as life safety lines. Utility rope should not be used for: - ANSWER>>life safety.
Which of the following is an advantage of the horseshoe load? - ANSWER>>Hose loaded in this manner has fewer sharp bends than other loads. An important benefit of using a Personnel Accountability System is: - ANSWER>>knowing who is on the fireground. An upper section or top section of an extension ladder is known as a: - ANSWER>>fly The main reason a fog stream has greater heat-absorbing capacity than a solid stream is its: - ANSWER>>greater surface area Which of the following is not considered one of the basic duties of an engine company?
- ANSWER>>Performing technical rescue Halon fire extinguishers are primarily designed for use on __________ fires. - ANSWER>>Class B and C A __________ is a connecting plate used in truss construction that can be made of flat steel stock, light gauge metal, or plywood. - ANSWER>>gusset plate Hidden fires in bales of absorbent paper, fabrics, or insulation are best handled by: - ANSWER>>removing the material to the outdoors whenever safe and possible. Which of the following lifts and drags is effective for carrying children or small adults who are conscious? - ANSWER>>cradle in arms /carry Which of the following is a recommended practice to prevent organic fire hose damage?
- ANSWER>>Inspect and test hose annually and after possible damage. Which of the following is an advantage of power inverters? - ANSWER>>Fuel efficiency After use, wooden handles of axes and similar tools should be washed with a mild detergent, rinsed, and: - ANSWER>>dried The person ultimately responsible for the operations and administration of the fire department is the: - ANSWER>>chief When establishing a collapse zone around a building, the minimum distance from the building must extend: - ANSWER>>1-1/2 times the height of the building. Life safety, incident stabilization, and __________ are the three most important organizational duties for fire departments to pursue. - ANSWER>>property conservation The temperature at which a liquid fuel produces sufficient vapors to support combustion once the fuel is ignited is the: - ANSWER>>fire point
After company officers carry out a PAR, per order of the Incident Commander, the next step would be to: - ANSWER>>report the results to the Incident Commander. If dust and dirt on a woven-jacket fire hose cannot be removed by brushing, it should be washed with: - ANSWER>>clear water. Extinguishers suitable for Class B fires can be identified by a __________ containing the letter B. - ANSWER>>red square Just prior to flashover, what are the conditions within the burning compartment? - ANSWER>>Temperatures are rapidly increasing Additional fuel packages are becoming involved Fuel packages in the compartment are giving off combustible gases ---All the above are occurring.---- There are __________ types of standard building construction. - ANSWER>> Firefighters must use care in checking attic spaces with blown-in insulation because: - ANSWER>>embers can smolder in insulation for many hours before igniting. When the concentration of a gas is within the range where it can ignite, it is said to: - ANSWER>>be within flammable range From which end of the rope can a clove hitch accept tension without coming untied? - ANSWER>>either end Which of the following is true regarding structural fire helmets? - ANSWER>>They must have earflaps or neck covers. Which of the following is not a recommended method of drying a hose that has been washed and cleaned? - ANSWER>>Hot pavement Division of labor is necessary in the fire service in order to accomplish all of the following except to: - ANSWER>>determine chain of command. When exposed to intense heat, a lightweight metal truss can: - ANSWER>>be expected to fail in 5 to 10 minutes. When firefighters enter a burning building to perform rescue work, they must first consider: - ANSWER>>their own safety What do the stops do on an extension ladder? - ANSWER>>Prevent it from over- extending
Hose-washing machines are not capable of sufficiently cleaning: - ANSWER>>couplings What technique is needed to use a sprinkler wedge to stop an activated sprinkler? - ANSWER>>Insert one wedge from either side between the orifice and the deflector and push them together. This type of overhead door is also called a sheet curtain door and is used as a high- security service door. - ANSWER>>roll-up What is defined as a systematic way to keep track of the location and function of all personnel operating at the scene of an incident? - ANSWER>>personnel accountability system Pump tank extinguishers are used to apply: - ANSWER>>water How high up do fuels have to be in order to be considered aerial fuels? - ANSWER>>more then 6 ft The order of rank and authority in the fire service describes: - ANSWER>>chain of command Which of the following is not a mode of heat transfer? - ANSWER>>evaporation Washing structural or wildland gear along with linens or other household items: - ANSWER>>can result in cross-contamination. When lifting a ladder or other heavy object, a firefighter should: - ANSWER>>bend at the knees keeping the back straight, lift with the legs. Hidden fires in concealed spaces can often be detected by: - ANSWER>>feel w/ back of hand The most important piece of information that the caller gives is: - ANSWER>>location Team members working in a hazardous area should maintain contact with each other at all times through one or more of three means, two of which are visual and vocal, and the third is: - ANSWER>>physical The acronym for the four-step process for proper use of fire extinguishers is: - ANSWER>>PASS Once the downed firefighter is found, they should be: - ANSWER>>medically evaluated before any move is attempted.
The bypass valve on a self-contained breathing apparatus is used: - ANSWER>>in emergency situations involving a malfunctioning regulator. Prior to the commencement of overhaul operations, the incident commander must: - ANSWER>>ensure the building is in a safe condition to enter. A quick and efficient method of examining salvage covers for damage is to: - ANSWER>>have a group of firefighters raise the cover over their heads. When attacking wildland fires, the control line may be established: - ANSWER>>at the edge of the fire, next to it, or at a distance away. What is the method of fire suppression most widely used on Class A combustibles? - ANSWER>>cooling With wind changes, a wildland fire can develop a long, narrow extension that projects out from the head of the fire. What is this extension called? - ANSWER>>finger When performing an emergency move of a victim: - ANSWER>>the chief damage is aggravating a spinal injury. Which of the following terms does not relate to fire and emergency operations? - ANSWER>>bylaws fire department radio operations must follow rules of the: fire department radio operations must follow rules of the: - ANSWER>>fcc Which of the following is a disadvantage of metal ladders? - ANSWER>>Can suddenly fail when exposed to heat or flame Which coupling goes on the inside of a straight hose roll? - ANSWER>>male What is the term for water-soluble flammable liquids such as alcohols, acetone, and others? - ANSWER>>Polar solvents On the fireground, the safety officer reports to: - ANSWER>>IC What is the term for fuels that are close to each other or touch each other? - ANSWER>>continuity The pressure in a true gravity system is adequate only when the primary water source is located more than __________ feet higher than the highest point in the water distribution system. - ANSWER>>100ft An advantage of a forward lay is: - ANSWER>>that the pumper is located at the fire with access to additional hoselines.
Which of the following statements concerning automatic constant pressure nozzles is not correct? - ANSWER>>The pump operator must change the pump setting to change the flow rate of the nozzle. A fire caused by flying embers, that starts outside the perimeter of the main fire, is called a __________ fire. - ANSWER>>spot When trapped moisture in concrete is heated to steam and expands, causing parts of the concrete to break away, this is known as: - ANSWER>>spalling Pyrolysis begins at temperatures below __________ degrees Fahrenheit. - ANSWER>> Proper ventilation results in an orderly movement of __________ through and out of the structure. - ANSWER>>heated fire gases When pulling a ceiling for overhaul purposes, the firefighter should: - ANSWER>>pull down and away on the pike pole. Where in the apparatus hose bed should the load for large-diameter hose be started? - ANSWER>>12 to 18 inches from the front. How should an unconscious child be carried down a ladder? - ANSWER>>Cradled across the rescuer's arms What is the danger if the butt of a ladder is placed too close to the side of the building and people climb it? - ANSWER>>The tip could pull away from the wall.The tip could pull away from the wall. Dry chemical extinguishers can be used on Class C fires because dry chemicals: - ANSWER>>do not conduct electricity. Which of the following materials is a poor conductor of heat? - ANSWER>>wood The plan or written document for tactical operations is known as a department's: - ANSWER>>sop A(n) __________ gasket fits between the end of the hose and the coupling and will prevent water seepage around the end of the hose. - ANSWER>>expansion-ring Which of the following statements is incorrect? - ANSWER>>A structural helmet face shield can provide primary eye protection. A __________ is commonly used to stop water from flowing from a sprinkler head. - ANSWER>>wedge
