Cal Fire FF Exam 2025 Questions With Complete Solutions

Which OSHA regulatory exposure limit is the maximum allowable concentration over a 40 hour work week? - ANS permissible exposure limit What is the quickest way to force entry through a security roll-up door? - ANS Cut the door with a torch or saw. What is the designation for the posts closest to the front on a car. - ANS "A" posts Which type of stream is most likely to disrupt thermal balance? - ANS Fog when flagging a life threatening situation what is the minimum radius to be flagged? - ANS 25 feet Where should additional equipment be staged on a high-rise fire? - ANS One or two floors below the fire. When making louver cuts, what is used as a fulcrum to make the louvered openings? - ANS Roof supports How can you determine the size of the new generation fire shelter you are carrying? - ANS color of deployment strap How does PPE prevent evaporate cooling? - ANS The vapor barrier prevents evaporation of sweat Do not face a landing helicopter within 100 feet unless you are wearing? - ANS Goggles Proper spacing between firefighters during handline construction is? - ANS 10 feet Which of the following safety precautions do not apply to all hand tools when in use? - ANS Name disadvantages in using the indirect attack method of wildland fire fighting. - ANS Burning operations can escape control, acreage burned increases A quickly constructed, minimum width, temporary line, where fuels have been removed to mineral soil is? - ANS Scratch Line Name advantages of the direct attack method of wildland fire fighting. - ANS Fire stopped with least spread, takes full advantage of burned out areas along control lines The scrapping edge of a McLeod is sharpened at a _____degree angle - ANS 45 Aircraft are best utilized on _____ fires - ANS initial attack Retardant drops often require _______ resources to follow up. - ANS ground The recommended fuel mixture for a drip torch is? - ANS 2 parts diesel to 1 part gas What is the term for the volume within a structure between an inlet and an outlet through which heat and smoke can travel on its way from an area of higher pressure to lower pressure? - ANS Flow path Operations are conducted from inside the fire building in which operational mode? - ANS Offensive Which items is installed on propane cylinders to allow excess pressure to escape? - ANS Relief valve Which hazardous material is commonly found in vehicle batteries? - ANS Sulfuric acid The downhill checklist states ________attack will be used whenever possible - ANS Direct What is the minimum number of firefighters needed to advance and maneuver a 2 1/2" handline inside a building? - ANS 3 The file used to sharpen hand tools should always have a _____ in place - ANS handle and file guard Finished line construction on a steep slope may require which of the following line construction methods? - ANS Berm and trench Which are effective ways to support mobile attack? - ANS Backpack pump Hand tools Which action should be avoided when performing horizontal natural ventilation? - ANS opening upwind windows first Where is water directed during hydraulic ventilation? - ANS out a window or door What is the term for the transfer of heat through a circulating medium of liquid or gas? - ANS convection what is the maximum diameter of a small handline? - ANS 2" How is a sprinkler wedge used to stop flow from an activated sprinkler? - ANS Push two wedges together from opposite sides between the orifice and the deflector Ideally , when should overhaul operations begin? - ANS After fire investigators have examined the scene During salvage, what should be done with any pictures on the walls? - ANS They should be removed and placed with the furniture An oxygen deficient atmosphere may result when the percentage is below ____. - ANS 19.5 Burning operations may be ordered by - ANS A Line Supervisor Local winds are best defined as - ANS Small scale winds of local origin caused by differences in pressure created by heating and cooling Which is a type of indirect attack on a wildland fire? - ANS parallel The most commonly used master stream devices flow between - ANS 350 - 1500 gpm Which firefighting attack, if successful, will result in the least amount of property damage? - ANS Offensive Exposure protection during a defensive operation takes ______ priority - ANS High which phrase indicates an imminent fire ground hazard, such as structural collapse? - ANS Emergency Traffic What is the term for an urgent message that takes priority over all other communications? - ANS Emergency traffic What does "E" stand for in LCES? - ANS Escape Routes advantageous location usually a barrier to fire spread from which to start constructing a fireline - ANS Anchor Point What are fires that burn outside of the perimeter of the fire called? - ANS Spot fires The use of master streams on a building should be prohibited when - ANS crews are working inside the building Adding foam concentrate to a fire apparatus tank is called - ANS Batch Mixing The NFPA recommends color-coding hydrants to indicate - ANS Available Flow The pressure remaining in a water distribution system when water is flowing is the _____ pressure - ANS Risidual In the two part marking system for indicating which rooms have been searched? - ANS An X Which knot is used to tie off a ladder halyard? - ANS Clove hitch Tempered glass is about ___ as strong as regular glass - ANS Four times The proper carrying procedure for a round point shovel on a fireline is? - ANS On the Downhill side Which statement about using hose streams on an elevated transformer fire is correct? - ANS This technique may cause splashing and spread of toxic liquids. Which statement about ventilating a basement fire is correct? - ANS They can be difficult to ventilate due to limited outside access Which search procedure is unacceptably dangerous? - ANS Vent-enter-search Of the basic fire-ground objectives, which item is third in order of priority? - ANS Confine the fire What is the best way to stop the flow of liquid petroleum gas into a structure? - ANS Close the valve on the cylinder From which end of the rope can a clove hitch accept tension without coming untied? - ANS Either The term for a rope that is suddenly put under unusual tension is _____ loading. - ANS Shock What qualifies a hammer as a sledgehammer? - ANS It is long and heavy enough to require the use of both hands lowest temperature at which a substance releases enough vapor to sustain a continuous fire - ANS Fire Point