JBL Firefighter 1 State Test 2024 Edition. All Questions & Correct, Verified Answers. A+, Exams of Safety and Fire Engineering

Download JBL Firefighter 1 State Test 2024 Edition. All Questions & Correct, Verified Answers. A+ and more Exams Safety and Fire Engineering in PDF only on Docsity! JBL Firefighter 1 State Test 2024 Edition. All Questions & Correct, Verified Answers. Graded A+ A 50' (15 m) section of charged 21⁄2" (64 mm) hose weighs approximately _____. - ANS200 LBs A burning liquid that is pouring over the edge of a container is known as a ________ fire. - ANS3 dimensional A chemical reaction that produces heat is __________. - ANSexothermic A Class C fire involves __________. - ANSElectricity A combination fire attack begins with __________. - ANSan indirect attack A dry hydrant provides access to a __________. - ANSStatic Water source A figure eight on a bight is used to __________. - ANScreate a secure loop at the working end A fire department is required to have a __________ to track personnel and assignments at an emergency scene. - ANSPersonal Accountability System A hose adaptor connects two hose sections of __________. - ANSequal diameter but different threads A ladder consisting of a single section is called a _________ ladder. - ANSStraight A master stream device that is permanently mounted on an engine and plumbed directly into the pump is a __________. - ANSdeck gun A personal escape rope must be _______ once it is used. - ANSreplaced A primary goal of investigating each fire fighter accident or injury is to __________. - ANSDetermine how it can be avoided in the future A rope carried by a fire fighter only for self-rescue from an extreme situation is called a __________ rope. - ANSPersonal Escape A rope with minimal stretch under load is __________. - ANSstatic A short fold in a supply hose load that prevents a coupling from flipping around when the hose is being laid out is a __________. - ANSdutchman A soft suction hose is used to connect a pumper to a ________. - ANSHydrant A structural firefighting PPE ensemble includes which specific piece of equipment? - ANSSCBA A typical number fire engine carries _____ of supply hose. - ANS750-1250 ft An elevated master stream device mounted at the tip of an aerial ladder is a __________. - ANSladder pipe An engine lays hose from a water source to the fire scene in a __________ lay. - ANSforward An engine lays hose from a water source to the fire scene in a __________ lay. - ANSforward An oxygen-deficient atmosphere is defined as one where the percentage of oxygen in air is less than _____percent. - ANS19.5 Another term for head pressure is __________ pressure. - ANSelevation Application of water to the base of a fire with a straight stream or solid stream is a(n) __________ attack. - ANSdirect Approximately _____ percent of fire fighters in the United States are volunteers. - ANS73% Approximately __________ fire fighters are killed in the line of duty each year in the United States. - ANS100 Before climbing a ladder, fire fighters should make sure it is __________. - ANSheeled Before raising an extension ladder, you should check to make sure the __________. - ANSoverhead is clear Close-range application of water to the fire is the objective of which type of operation? - ANSoffensive Commonly used master stream devices flow __________. - ANS350 - 1500 GPM Compared to a natural fiber rope, a synthetic fiber rope __________. - ANShas a smaller diameter of a natural rope of equal strength In a jacketed fire hose, which function does the outer jacket serve? - ANSit adds strength which allows the hose to withstand water pressure In general, the most effective means of fire suppression is a(n) __________ attack. - ANSdirect In general, what volume does a 21⁄2" (64-mm) handline flow? - ANS250 GPM In the fire service, the bugle has become a symbol of __________. - ANSAuthority In which type of operation are large handlines and master streams more often used? - ANSdefensive Large handlines flow approximately _____. - ANS250 GPM Life safety rope that is no longer fit for rescue work may be considered for use as __________ rope. - ANSUtility Rope Master streams are most commonly used for __________ attack. - ANSDefensive Master streams flow a minimum of _____. - ANS350 GPM Most fog nozzles are designed to operate at which nozzle pressure? - ANS100PSI Most smooth-bore nozzles are designed to operate at which pressure? - ANS50 PSI NFPA standards are __________. - ANSConsensus Documents NFPA standards require an SCBA low-air alarm to sound when cylinder pressure drops to _____ percent of capacity - ANS25% Operations are conducted from outside of the fire building in which operational mode? - ANSDefensive Overextension of the fly section of an extension ladder is prevented by __________. - ANSstops Portable ladders approved for fire service use can support up to _____. - ANS750LBS Pressure readings on an SCBA cylinder gauge and the regulator or remote pressure gauge should not differ by more than _____ psi. - ANS100PSI Prolonged exposure to __________ light can damage synthetic ropes. - ANSUltra Violet Ropes should be cleaned with __________. - ANSMild Detergent and water Roughly what percentage of a kernmantle rope's strength is provided by the mantle? - ANS30% Smoke has _____ major components. - ANS3 Specific information on the actions to be taken to accomplish a certain task is provided by __________. - ANSStanding Operating Procedures The earliest known fire department was in __________. - ANSAccient Rome The flash point of gasoline is _____. - ANS-45 F The flow or quantity of water moving is measured in __________. - ANSGallons per minute The function of a standpipe system is to provide __________. - ANSa water supply for interior attack lines The goal of __________ is to ensure that all members of an agency perform a given task in a uniform way. - ANSStanding operating procedures The kern of a kernmantle rope is its __________. - ANSCore The majority of fire fighter injuries are __________. - ANSStrains and Sprains The majority of fires are extinguished by which method? - ANSCooling the fuel The NFPA recommends color-coding hydrants to indicate __________. - ANSavailable flow The number of people whom one person can supervise effectively is known as ________. - ANSSpan of Control The pipes that deliver water from the treatment facility for distribution are __________. - ANSmains The pipes that deliver water to users and hydrants on individual streets are __________. - ANSdistributors The pressure in a system when no water is flowing is called ________ pressure. - ANSstatic The pressure remaining in a water distribution system when water is flowing is the ________ pressure. - ANSresidual The primary hazard of __________ is that it can displace oxygen from the atmosphere - ANSCarbon Dioxide The purpose of the hooks of a roof ladder is to __________. - ANSSecure the tip of the ladder to the peak of a pitched roof The rails of a trussed beam are separated by __________. - ANStruss blocks The realistic duration of an SCBA air supply is __________ than the rated duration. - ANSMuch Less The sudden introduction of air into an oxygen-depleted, superheated space may result in __________. - ANSbackdraft The thick, quilted layer of a turnout coat is the __________. - ANSThermal Barrier The two-fire-fighter shoulder can be used with extension ladders up to _____ long. - ANS35 FT The two-fire-fighter stiff-arm method is used to __________. - ANSuncouple hose The use of master streams on a building should be prohibited if __________. - ANSCrews are working inside the building The volume of water that is being moved through a pipe or hose is termed the __________. - ANSFlow Truck companies are sometimes referred to as __________ companies. - ANSLadders Turnout coats and trousers have a protective system that consists of _____ layers. - ANS3 Upward spread of fire within a structure is primarily caused by which form of heat transfer? - ANSConvection What are butt spurs on a ladder? - ANSSpikes on the base that keep it from slipping What are the two main structural components that run the entire length of a ladder? - ANSThe beams What do the beams of a ladder directly support? - ANSThe Rungs What does smoke puffing in and out of a structure indicate? - ANSBackdraft Conditions What does the "buddy system" refer to? - ANSA Team of two partners who maintain constant contact What is the term for preparing a knot by tightening it and removing twists, kinks, and slack from the rope? - ANSDressing What is the term for the large discharge opening on a fire hydrant? - ANSSteamer Port What is the term for the lowest temperature at which a liquid produces enough vapor to sustain a continuous fire? - ANSflame point What is the term for the rope or cable used to extend or hoist the fly section of an extension ladder? - ANSHalyard What is the very top of a ladder called? - ANSTip What makes a water thief different from a wye is the addition of __________. - ANS2 1/2 outlet What should be done to avoid water hammer? - ANSOpen Valves Slowly What should be done with the excess halyard once an extension ladder is placed and extended? - ANSwrap it around the rungs of the ladder What should be used to clean fire hoses? - ANSMild Detergent What weight is a two-person life safety rope designed to bear? - ANS600 LBS When a ladder is used to gain access to a roof, a minimum of _____ rungs should show above the roofline. - ANS5 When charging a supply line at a hydrant, the fire fighter should __________. - ANSAvoid standing between the hose line and the Hydrant When is it acceptable to remove the inner thermal layer from a turnout coat? - ANSOnly when Cleaning When is the use of utility rope appropriate? - ANSWhen the rope will not be supporting People When placed at the correct angle for climbing, the ratio of the ladder's vertical reach to distance of the butt from the structure is _____ to one. - ANS4 When placed at the correct angle for climbing, the ratio of the ladder's vertical reach to distance of the butt from the structure is _____ to one. - ANS4 When placing a life safety rope into a bag for storage, which kind of knot should be tied in the end of the rope that is going into the bag first? - ANSFigure eight on a bight When raising a ladder, it should be kept a minimum of _____ from power lines. - ANS10 ft When raising a ladder, it should be kept a minimum of _____ from power lines. - ANS10 ft When referring to hose, what does the "L" stand for in "LDH"? - ANSLarge When should the fire fighter at the hydrant charge the supply line? - ANSupon receiving the signal from the driver/operator When should the fire fighter at the hydrant charge the supply line? - ANSwhen the driver/operator calls for water When water is motionless, which kind of energy does it have? - ANSpotential Where are dry-barrel hydrants typically used? - ANScold climates Which are the two levels of NFPA fire fighter certification? - ANS1 and 2 Which attack line load is often coupled to a larger-diameter line? - ANSwyed Lines Which attack line load is particularly useful when the line must be advanced up a stairway? - ANSminuteman Which attack line load is particularly useful when there is a long distance between the engine and the fire? - ANSWyed Lines Which basic management principle says that each fire fighter should answer to only one supervisor? - ANSUnity Of Command Which component of structural turnout coats is critical for protecting the body from steam burns? - ANSMoisture Barrier Which coupling goes on the inside of a straight hose roll? - ANSmale Which development led to the widespread use of the mechanized pumping apparatus? - ANSInternal Combustion Which device splits one hose stream into two hose streams? - ANSWYE Which feature of hose couplings is used to aid in the coupling and uncoupling of hose? - ANSLug Which fire gas is a product of incomplete combustion of common household items? - ANSPhosgene Which fire gas kills by replacing oxygen in the blood? - ANSCarbon Monoxide Which firefighting attack, if successful, will result in the least amount of property damage? - ANSoffensive Which form of energy causes spontaneous heating of a pile of linseed oil-soaked rags? - ANSchemical Which gas is most commonly produced by residential or commercial fires? - ANSHydrogen Cyanide Which hose appliance combines two hose lines into one? - ANSSiamese Which hose diameter is used as both supply line and attack handline? - ANS2 1/2" Which hose load has the hose up on its edge and laid side-to-side in the hose bed? - ANSaccording load Which item is used to attach a smaller hose to a larger one? - ANSreducer Which knot is typically used to tie together two ropes of unequal size? - ANSBecket bend Which NFPA standard covers fire hose? - ANS1962 Which NFPA standard deals with open-circuit self-contained breathing apparatus? - ANS1981 Which NFPA standard deals with protective clothing and equipment for wildland firefighting? - ANS1977 Which nozzle type has the highest flow rate? - ANSmaster Stream Which of the following are developed to provide definitive guidelines for present and future actions? - ANSPolicies Which of the following is a component of a BLEVE? - ANSPressurized flammable liquid vessel Which of the following is one of the three factors that determine friction loss? - ANShose diameter Which of the following is one of the three methods by which team members working in a hazardous area should maintain contact with one another at all times? - ANSVisual