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Firefighter study guide
The most important factor to consider in forcible entry is to - 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. - triangular/inverted V What is the leading cause of firefighter injuries? - Overexertion and strain The proper name for one of the two principal structural sides of a ladder is a: - beam. Which of the following is not a requirement for an individual trained in fire suppression?
- Being certified as a pumper driver/operator Which of the following statements regarding power saw safety is incorrect? - 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: - open the void space immediately division of labor - The process of dividing large jobs into smaller jobs to make them more manageable is described as: Which of the following is not a method for preventing mechanical damage to fire hose? - Remove wet hose from apparatus and replace with dry hose. straight - 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 The fire tetrahedron includes all the elements of the fire triangle plus - chemical reaction. Which of the following is an advantage of the flat load? - It is the best way to load large- diameter hose Firefighters can expect to find ledge doors in: - barns and warehouses. First Responder. - The person that stabilizes the victim of accidents or illness until more highly trained medical personnel arrive is the: fully-developed - The __________ stage occurs when all combustible materials in the compartment are involved in the fire.
Firefighter study guide
After a roof has been opened up, the firefighter must: - ensure the ceiling below the cut is opened fully-developed - During the __________ stage of fire, the fire frequently becomes ventilation controlled. Ground cover - Surface fuels are involved in what type of fire? While working from a ground ladder, the hook on the firefighter's safety harness should be: - attached to a rung. A stream discharging more than 350 gpm is know as a/an __________ stream. - master What is the first step a firefighter should take if their SCBA becomes damaged or malfunctions? - Remain calm and rely on previous training. specific gravity - 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: A primary safety concern when raising a ladder should be: - possible contact with electrical wires and overhead obstructions. Hose for shoulder carries can easily be taken from the load - Which of the following is an advantage of the accordion load? reverse - Hose is unloaded at the scene of a fire and the pumper proceeds to the water source. This is an example of a __________ lay. Fire can be extinguished by - reducing heat, removing oxygen, removing fuel, or stopping the chemical chain reaction. Compartment fires in the __________ stage are generally fuel/oxygen controlled. - growth One of the primary functions of the truck/ladder company is: - performing forcible entry to fire building One disadvantage of positive-pressure fans is that they: - can spread the fire if used improperly.
Firefighter study guide
Two of the most common types of lightweight truss construction are: - wooden and lightweight steel trusses. Overhead doors typically have three types of latching devices. These are: - 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? - It swings toward the forcible entry team. The __________ must be stamped or labeled on a compressed air cylinder. - last hydrostatic test date Which of the following are not products of combustion. - convection, conduction, radiation, and direct contact. Fire department ladders should be __________ after each use and on a monthly basis.
- inspected The hose load finish that is designed for forward lays is the: - straight finish. Conservative estimates say that the presence of a screen in a window reduces the airflow by nearly __________ percent. - 50 Hose that has come in contact with an acidic chemical should be thoroughly scrubbed: - with a solution of baking soda and water. A dutchman is: - 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? - Stretching the initial attack line The coupling on the high pressure hose that is attached to an SCBA cylinder should be:
- hand tight Water supply and distribution systems should be designed to meet the community's needs for consumer use and: - fire protection. Backdraft is: - the rapid ignition of smoke/unburned gases.
Firefighter study guide
mushrooming - 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: When cutting through a roof, a firefighter should avoid: - cutting through joists, rafters, or trusses. Both fill sites and dump site selection should be based on: - minimal backing (or maneuvering) of apparatus. tip. - The very top of a ladder is called the: The purpose of a hose adaptor is to connect two hose sections of: - equal diameter, but differing threads. In comparison to other doors, metal swinging doors are difficult to force, due to: - construction and design Which of the following statements regarding wet barrel and dry barrel hydrants is incorrect? - 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. - 4, 1000 Which of the following is a recommended practice to prevent thermal fire hose damage? - 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: - shut off the main breakers/switch at the service panel. J tool. - The tool that is specifically designed to open double doors equipped with panic bars is a(n): The primary function of the bypass valve on SCBA is: - for use if the regulator fails Which one of the following statements is incorrect with regard to natural fiber ropes? - They work best as life safety lines. Utility rope should not be used for: - life safety In the care and maintenance of fire hose, which one of the following procedures is not a good practice? - Allow hose to remain in a heated area after it dries
Firefighter study guide
Which of the following is an advantage of the horseshoe load? - hose loaded in this manner has fewer sharp bends than other loads. An important benefit of using a Personnel Accountability System is: - knowing who is on the fireground. An upper section or top section of an extension ladder is known as a: - fly. The main reason a fog stream has greater heat-absorbing capacity than a solid stream is its: - greater surface area. Which of the following is not considered one of the basic duties of an engine company?
- Performing technical rescue Halon fire extinguishers are primarily designed for use on __________ fires - Class B and C Where is the rehabilitation/staging center, usually, at a high-rise fire? - Two or three floors below the fire A __________ is a connecting plate used in truss construction that can be made of flat steel stock, light gauge metal, or plywood. - gusset plate Hidden fires in bales of absorbent paper, fabrics, or insulation are best handled by: - 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? - cradle-in-arms lift/carry. Which of the following is a recommended practice to prevent organic fire hose damage? - Inspect and test hose annually and after possible damage. Which of the following is an advantage of power inverters? - Fuel efficiency After use, wooden handles of axes and similar tools should be washed with a mild detergent, rinsed, and: - dried. The person ultimately responsible for the operations and administration of the fire department is the: - fire chief When establishing a collapse zone around a building, the minimum distance from the building must extend: - 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. - property conservation
Firefighter study guide
The temperature at which a liquid fuel produces sufficient vapors to support combustion once the fuel is ignited is the: - fire point. After company officers carry out a PAR, per order of the Incident Commander, the next step would be to: - 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: - clear water Extinguishers suitable for Class B fires can be identified by a __________ containing the letter B. - red square Extinguishers suitable for Class B fires can be identified by a __________ containing the letter B. - red square Just prior to flashover, what are the conditions within the burning compartment? - All the above are occurring There are __________ types of standard building construction. - five Firefighters must use care in checking attic spaces with blown-in insulation because: - 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: - be within its flammable/explosive range From which end of the rope can a clove hitch accept tension without coming untied? - From either end Which of the following is true regarding structural fire helmets? - 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? - Hot pavement Division of labor is necessary in the fire service in order to accomplish all of the following except to: - determine chain of command When exposed to intense heat, a lightweight metal truss can: - be expected to fail in 5 to 10 minutes. When firefighters enter a burning building to perform rescue work, they must first consider: - their own safety.
Firefighter study guide
Which of the following is not a common load for preconnected attack lines? - Straight load Hose-washing machines are not capable of sufficiently cleaning: - couplings. What technique is needed to use a sprinkler wedge to stop an activated sprinkler? - 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. - 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? - A personnel accountability system Pump tank extinguishers are used to apply: - water. How high up do fuels have to be in order to be considered aerial fuels? - More than six feet The order of rank and authority in the fire service describes: - chain of command. Which of the following is not a mode of heat transfer? - Evaporation Washing structural or wildland gear along with linens or other household items: - can result in cross-contamination. When lifting a ladder or other heavy object, a firefighter should: - bend at the knees keeping the back straight, lift with the legs Hidden fires in concealed spaces can often be detected by: - feeling with back of hand. The most important piece of information that the caller gives is: - the location of the emergency 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: - physical. The acronym for the four-step process for proper use of fire extinguishers is: - PASS. Once the downed firefighter is found, they should be: - medically evaluated before any move is attempted.
Firefighter study guide
The bypass valve on a self-contained breathing apparatus is used: - in emergency situations involving a malfunctioning regulator Prior to the commencement of overhaul operations, the incident commander must - ensure the building is in a safe condition to enter A quick and efficient method of examining salvage covers for damage is to: - have a group of firefighters raise the cover over their heads When attacking wildland fires, the control line may be established: - 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? - 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? - A finger When performing an emergency move of a victim: - the chief damage is aggravating a spinal injury. Which of the following terms does not relate to fire and emergency operations? - Bylaws All fire department radio operations must follow rules of the: - FCC Which of the following is a disadvantage of metal ladders? - Can suddenly fail when exposed to heat or flame Which coupling goes on the inside of a straight hose roll? - The male What is the term for water-soluble flammable liquids such as alcohols, acetone, and others? - Polar solvents On the fireground, the safety officer reports to: - the incident commander What is the term for fuels that are close to each other or touch each other? - 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 - 100 An advantage of a forward lay is: - that the pumper is located at the fire with access to additional hoselines.
Firefighter study guide
is not correct? - 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. - spot When trapped moisture in concrete is heated to steam and expands, causing parts of the concrete to break away, this is known as: - spalling. Pyrolysis begins at temperatures below __________ degrees Fahrenheit. - 400 Proper ventilation results in an orderly movement of __________ through and out of the structure. - heated fire gases When pulling a ceiling for overhaul purposes, the firefighter should: - pull down and away on the pike pole Where in the apparatus hose bed should the load for large-diameter hose be started? - 12 to 18 inches from the front How should an unconscious child be carried down a ladder? - 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? - The tip could pull away from the wall Dry chemical extinguishers can be used on Class C fires because dry chemicals: - do not conduct electricity Which of the following materials is a poor conductor of heat? - Wood The plan or written document for tactical operations is known as a department's: - S.O.P./S.O.G. A(n) __________ gasket fits between the end of the hose and the coupling and will prevent water seepage around the end of the hose. - expansion-ring Which of the following statements is incorrect? - A structural helmet face shield can provide primary eye protection. A __________ is commonly used to stop water from flowing from a sprinkler head. - wedge
