2023 FireFighter 1 and 2 Study Guide 2023/2024 GRADED A

2023 FireFighter 1 and 2 Study Guide 2023/2024 GRADED A In a typical fire department rank structure, an assistant chief reports to the _ . section chief chief of the department command staff battalion chief Ans: b. chief of the department Which term can be defined as the set of guidelines that a department establishes for its firefighters? Unity of command Span of control Discipline Training Ans: c. discipline In a typical fire department rank structure, an assistant chief reports to the _ . section chief chief of the department command staff battalion chief Ans: b. Chief of the Department Which of the following are developed to provide definitive guidelines for present and futureactions? Regulations Standard operating procedures Policies D. After action reports Ans: c. Policies Which term can be defined as the set of guidelines that a department establishes for its firefighters? Unity of command Span of control Discipline Training Ans: c. Discipline Truck companies are sometimes referred to as companies. rapid intervention rescue ladder e Ans: c. Ladder For whom should fire fighters consider that they work? The tax paying citizens Themselves Their supervisors Their team Ans: a. the tax paying citizens The number of people whom one person can supervise effectively is known as . chain of command division of labor span of control functional supervision Ans: c. span of control Which development led to the widespread use of the mechanized pumping apparatus? Private insurance companies Wagon mounted steam engines Jacketed hose Internal combustion engines Ans: d. Internal combustion engines In the fire service, the bugle has become a symbol of . authority courage fraternity service Ans: a. authority Medical requirements for fire fighters are specified in which NFPA standard?a. 1002 b. 1582 c. 1962 d. 904 Ans: b. 1582 Which type of company specializes in saving victims from fires, confined spaces, trenches, andhigh angle situations? Rescue Rapid Intervention Truck Engine Ans: a. Rescue NFPA standards are . regulatory law administrative law consensus documents model codes Ans: c. consensus documents Which rank is directly above a lieutenant in the fire service? Division/group supervisor Division chief Captain Battalion chief Ans: c. Captain What does the "S" stand for in "SOP"? Standard Sequential Specific Special Ans: a. Standard Where was the first fire insurance company formed in America? New York, New York Boston, Massachusetts Charleston, South Carolina Chicago, Illinois Ans: c. Charleston, South Carolina Training and performance qualifications for firefighters are specified in which NFPA standard?a. 1021 b. 472 c. 1001 d. 1500 Ans: c. 1001 Which position specializes in reviewing plans for fire detection and suppression systems forfunctionality and code compliance? Fire protection engineer Fire prevention officer Fire systems specialist Fire marshal Ans: a. Fire protection engineer Who developed the first fire hydrant? John Lofton Ben Franklin Hans Hautsch George Smith Ans: d. George Smith The individual responsible for the overall management of an incident is the . incident commander company officer commanding officer operations chief Ans: a. incident commander The earliest known fire department was in . ancient Rome Germany Greece the Ottoman Empire Ans: a. ancient Rome Which type of company is responsible for securing a water source, deploying handlines, andputting water on the fire? Pumper Initial attack Engine Truck Ans: c. Engine Three out of four career fire fighters work in jurisdictions with a population of or more. a. 75,000 b. 25,000 c. 50,000 d. 100,000 Ans: b. 25,000 A fire fighter will most typically report directly to a person of which rank? Battalion chief Lieutenant Unit leader Section chief Ans: b. Lieutenant Organizing an incident by breaking down the overall strategy into a series of smaller tasks is anexample of . span of control unity of command division of labor discipline Ans: c. division of labor Which national organization writes codes and standards for fire protection? Occupational Safety and Health Administration (OSHA) United States Federal Emergency Management Agency (FEMA) National Fire Protection Association (NFPA) Ans: d. National Fire Protection Association(NFPA) Which of the following is the organizational structure through which a department manages itsroutine and emergency operations? Incident command system Division of labor Chain of command Scalar structure Ans: c. Chain of Command Specific information on the actions to be taken to accomplish a certain task is provided by . Policies Rules and regulations Standard operating procedures Incident action plans Ans: c. standard operating procedures A fire fighter with specialized knowledge and training for high angle rescue, structural collapse,trench rescue, confined space, and similar operations is a . Special operations technician Fire Fighter II Search and rescue technician technical rescue technician Ans: d. technical rescue technician Which basic management principle says that each fire fighter should answer to only onesupervisor? Organizational accountability Division of labor Unity of command Span of control Ans: c. Unity of command Which position servers as a liaison between the incident commander and the news media? Public information officer Liaison officer Agency representative Planning section chief Ans: a. Public information officer Which are the two levels of NFPA fire fighter certification? A and B Basic and Advanced Junior and Senior I and II Ans: d. I and II Which of the following was one of the major U.S. fires of 1871? Great New Orleans fire Great Fire of Pittsburgh Great Chicago fire Great Boston fire Ans: c. Great Chicago fire A fire fighter with specialized training for aircraft and airport related incidents is a(n) . technical rescue technician aircraft rescue fire fighter hazardous material technician aviation operations specialist Ans: b. aircraft rescue fire fighter The goal of is to ensure that all members of the agency perform a given task in a uniformway. The manual of operations Policies Standard operating procedures Tactical objectives Ans: b. Policies The upper limit of span of control in a complex, dynamic situation is generally considered to be to 1. 5 10 20 15 Ans: a. 5 Who is responsible for coordinating the activities of several fire companies in a definedgeographic area such as a district? Section chief Captain Battalion Chief Assistant Chief Ans: c. Battalion Chief A fire fighter who is trained and certified in chemical identification, leak control anddecontamination is a(n) _ . Material technical specialist Fire Fighter II Spill management technician Hazardous materials technician Ans: d. hazardous material technician Which type of company specializes in incidents involving spilled or leaking hazardouschemicals? Hazardous material Truck Salvage Engine Ans: a. Hazardous material Which of the following is one of the four basic management principles used by fire departments? Division of labor Common terminology Delegation of authority Management by objective Ans: a. Division of labor Approximately percent of fire fighters in the United States are volunteers. 34 46 55 73 Ans: d. 73 Which style of leadership does the fire department use? Paramilitary Top centralized Decentralized Distributed Ans: a. Paramilitary What does the Golden Rule mean when applied to the fire service? Treat everyone else as if they were a member of your family Working as a team is essential to success Stay humble and teachable, and be willing to teach others Honor the job by working hard and doing your best Ans: a. Treat everyone else as if theywere a member of your family Which organization developed the Everybody Goes Home Program? Occupational Safety and Health Administration (OSHA) National Fallen Firefighters Foundation (NFFF) International Association of Firefighters (IAFF) National Fire Protection Association (NFPA) Ans: b. National Fallen Firefighters Foundation(NFFF) When responding to domestic disputes or other scenes involving violence, fire fighters should . attempt to mediate the dispute wait for law enforcement to declare the scene safe call for a critical incident stress debriefing team remove the involved individuals to separate rooms Ans: b. wait for law enforcement todeclare the scene safe Which of the following is a life threatening condition requiring immediate medical care? Heat exhaustion Heat stroke Heat shock None of the above Ans: b. Heat stroke Which part of the body should be used for a heavy lift? The shoulder girdle The abdomen The legs The waist Ans: c. the legs Approximately fire fighters are killed in the line of duty each year in the United States.a. 1000 b. 10 c. 100 d. 10,000 Ans: c. 100 What is the minimum number of fire fighters required to make up a firefighting team? 4 3 2 1 Ans: c. 2 It is estimated that one vehicle accident involving an emergency vehicle occurs for every emergency responses. a. 1000 b. 5000 c. 100 d. 10,000 Ans: a. 1000 What is a common sign or symptom of heat stroke? Hot, dry skin Cramping Profuse sweating Bradycardia Ans: a. Hot, dry skin Which of the following is one of the three methods by which team members working inhazardous area should maintain contact with one another at all times? OTOH Rope Visual Radio Ans: C. Visual Who has the authority to directly and immediately stop any activity on the fire ground that he orshe judges to be unsafe? Safety officer Division/group supervisors All personnel Company officer Ans: a. Safety Officer In the United States, the number of fire fighter deaths that occurs during emergency operations is the number that occur during nonemergency activates. nearly five teams about equal to about twice about half Ans: b. about equal to If one team member must exit a hazard area for any reason, what should the rest of the team do? Defer to the team leader, who should decided based on the circumstances Exit as the entire team together Continue working on their assignment Assign a buddy to accompany the member out of the hazard area Ans: b. Exit as the entireteam together The sole responsibility of a(n) is to provide emergency assistance to crews workinginside the hazardous area. interior attack rapid intervention crew buddy system rescue group Ans: b. rapid intervention crew Who should accompany a fire fighter sent to the rehabilitation area? an EMT No one; the affected fire fighter should go to rehab alone The entire crew One member of his or her crew Ans: c. the entire crew What is the term for acting without a superiors order or outside of department SOPs? Independent action Decentralized authority Initiative Freelancing Ans: d. Freelancing Which of the following is an essential element of safe emergency operations? Initiative Teamwork Sacrifice Integrity Ans: b. Teamwork Health and safety programs for the fire fighters are the subject of NFPA . a. 1001 b. 1500 c. 1901 d. 1021 Ans: b. 1500 How soon after a traumatic call should a critical incident stress debriefing (CISD) be held? As soon as possible Within a week Within 24 hours Within 72 hours Ans: a. as soon as possible Which statement about downed electrical wires is correct? Turnout boots and thick rubber glove will afford you sufficient protection. A down power line may be safely pinned down under the tire of the apparatus. Fire fighters should operation under the assumption that all downed utility lines are energized. Firefighters should use tools with wood or fiberglass handles to manipulate downed lines.Ans: c.Fire fighters should operate under the assumption that all downed utility lines are energized. The majority of fire fighter injuries are . Soft tissue injuries Inhalation injuries Burns Strains and sprains Ans: d. strains and sprains What is the purpose of a personnel accountability system? Track personnel and assignments on the emergency scene Prevent freelancing Brief newly arriving crews on the situation status Ensure completion of tasks delegated to fire fighters Ans: a. track personnel and assignmentson the emergency scene What is the relationship between habits developed in training and performance on the fireground? Habits formed in training necessarily become abbreviated and rushed on the fire ground. Habits developed in training will continue on the fire ground. In the stress of emergency operations, habits are overridden by instincts Fire ground performance is not significantly altered through habituation Ans: b. habitsdeveloped in training will continue on the fire ground Who is responsible for determining when removal of SCBA is permissible after a fire has beenextinguished? The company officer Each individual is responsible for this decision The incident commander The safety officer Ans: d. the safety officer When is freelancing acceptable during emergency operations? Prior to the establishment of an incident command structure Whenever such action will result in a favorable outcome In response to sudden changes in circumstances or conditions Never Ans: d. Never If, during training, you observe an unsafe practice, what should you do? Take immediate action to reduce the hazard Bring it to the attention of the instructor or designated safety officer Stay focused on your own assignment Alert the members in closest proximity to the hazard Ans: b. ring it to the attention of theinstructor or designed safety officer. A primary goal of investigating each fire fighter accident or injury is to . determine whether misfeasance occurred assess civil liability exposure determine how such an incident can be avoided in the future establish patterns and trends Ans: c. determine how such an incident can be avoided in thefuture When is it acceptable to drive a fire apparatus over a downed power line? In an emergency situation where there is no alternative approach Only if it can be done in such a way that no two tires touch the downed line simultaneously If the wire is motionless and silent never Ans: d. Never Which of the following is one of the 16 Firefighter Life Safety Initiatives? Promote mandatory participation in fire fighter fitness and wellness programs Fight fire aggressively buy plan for safety first Ensure that fire fighters have access to counseling and psychological support services Empower safety officers to stop unsafe practices Ans: c. Ensure that fire fighters have accessto counseling and psychological support services Approximately percent of fire fighters who die in vehicle collisions are not wearing seatbelts. 10 40 50 25 Ans: b. 40 Which of the following is one of the 16 Firefighter Life Safety Initiatives? Ensure a mandatory rest period following full consumption of a single SCBA Utilize technology whenever it can produce higher levels of safety and health Develop and promotion national standards for rapid intervention team operations Promote the establishment of an annual Fire Fighter Safety Stand Down Ans: b. Utilizetechnology wherever it can produce higher levels of safety and health At an emergency scene, the safety officer reports directly to the . Operations chief Medical group supervisor General staff Incident commander Ans: d. incident commander Which statement best summarizes the types of incidents for which the incident command system(ICS) be should be implemented? Incidents exceeding a single 0perational period Incidents where the incident commander's span of control is exceeded Incidents involving more than a single company All emergency incidents Ans: d. all emergency incidents Fire fighters should drink of water for every 5 to 10 minutes of physical exertion.a. 12 to 15 oz (0.35 5o 0.45 L) b. 16 to 20 oz (0.5 to 0.6 L) c. 8 to 10 oz (0.2 to 0.3 L) d. 2 to 4 oz (60 to 120 mL) Ans: c. 8 to 10 oz. (.2 to .3 L) What does the "buddy system" refer to? The passport personnel accountability system Two in, Two out A team of two partners who maintain constant contact The tradition of "No one left behind" Ans: c. A team of two partners who maintain constantcontact Fire fighters should spend a minimum of minutes per day in physical fitness training. 30 15 45 60 Ans: d. 60 A fire department is required to have a to track personnel and assignments at an emergency scene. passport systems situation status report unit log personnel accountability system Ans: d. personnel accountability system The majority of fire fighter deaths are caused by _ . asphyxiation heart attack or stroke burns trauma Ans: b. heart attack or stroke Which of the following must occur before self contained breathing apparatus (SCBA) isremoved? A personnel accountability report has been performed All remaining fire has been extinguished The atmosphere has been tested and found safe Salvage efforts are complete Ans: c. the atmosphere has been tested and found safe Following notification of an emergency response, when should fire fighters don personalprotective equipment (PPE)? After the first arriving unit gives its report on conditions Upon dismounting the apparatus at the scene While on the apparatus, en route to the call Prior to mounting the apparatus Ans: d. Prior to mounting the apparatus Which term describes the small magnetic boards carried by company officers as part of apersonnel accountability system? Dog tags Passports Scoreboards Unit rosters Ans: b. Passports Fire fighters responding to a dispatch in a emergency vehicles are exempt from . only those exemptions specified by statute traffic laws dealing with traffic signals and parking most civil and criminal liability standards of reasonable care that apply to emergency vehicles Ans: a. only those exemptionsspecified by statute At least one member of every interior firefighting team should be equipped with a . a spare SCBA cylinder guide rope portable radio thermal imager Ans: c. portable radio The majority of ground cover fires are extinguished with which item? backfire aircraft backpack pump CAFS Ans: c. backpack pump Which tool is a combination of hoe and rake? forestry hoe combination Pulaski McLeod Ans: d. McLeod What is a consequence of falling relative humidity? falling burn index increased lapse rate decreased ignitability decreased fuel moisture Ans: d. decreased fuel moisture What is the term for the capability of an apparatus to pump water while moving? dual drive auxiliary drive power take off pump and roll Ans: d. pump and roll Subsurface fuels are challenging to deal with because they are _. hard to locate continuous highly susceptible to changes in weather readily ignitable Ans: a. hard to locate What is the term for a long, narrow extension of fire projecting out from the main body of awildland fire? spot island finger run Ans: c. finger Why do compact fuels burn slowly? they retain moisture they are less continuous they have less surface area air cannot circulate as freely Ans: d. air cannot circulate as freely Which type of map details changes in elevation? topographic cartometric planometric orthographic Ans: a. topographic A safety zone should be large enough _ . to fit apparatus as well as personnel to be accessible by rotary-winged aircraft to accommodate an entire division that fire shelters are not needed to prevent injury Ans: d. that fire shelters are not needed toprevent injury Which NFPA standard covers wildland fire fighter professional qualifications?a. 1051 b. 1021 c. 1041 d. 1031 Ans: a. 1051 What is the term for the burned area of a wildland fire? body black heel island Ans: b. black What does the "E" in LCES stand for? Escape routes Expect surprises Establish accountability Establish lookouts Ans: a. Escape routes (Lookout, Communications, Escape route, Safetyzone) The most rapidly moving part of a wildland fire is the . point head apex foot Ans: b. head Which tool combines an axe with an adze? council rake McLeod Brush hook Pulaski Ans: d. Pulaski Which condition will generally result in lower relative humidity? higher fuel moisture increasing temperature nighttime precipitation Ans: b. increasing temperature What is another term for surface fuels? litter understory ground duff Ans: c. ground Wildland fuels that lie under the surface of the ground are fuels. substory duff understory subsurface Ans: d. subsurface What is the most common type of wildland fire? forest brush ground cover crown Ans: c. ground cover What is slash? partially decomposed organic matter debris from logging or clearing operations partially burned fuel seasonal ground cover Ans: b. debris from logging or clearing operations Which term means areas where underdeveloped land with vegetative fuels is mixed with human-made structures? greenbelt rural-urban intermix wild-urban interface rural development zone Ans: c. wild-urban interface What is a characteristic of fine fuels? resistance to rapid changes in fuel moisture difficulty in extinguishing them large surface area relative to volume long burn duration Ans: c. large surface area relative to volume What is one of the 10 standard wildland firefighting order? do not attempt to outrun a fire uphill base all actions on current and expected fire behavior focus on what is not burning, rather than what is burning attack the flanks of the fire, not the head Ans: b. base all actions on current and expected firebehavior 10 Wildland Fire Order: keep informed on the fire weather conditions & forecasts know what you fire is doing at all times base all actions on current and expected fire behavior identify escape routes & safety zones and make them known post lookouts when there is possible danger be alert, keep calm, think clearly, act decisively maintain prompt communications with yoru forces, your supervisor & adjoining forces give clear instructions and ensure they are understood maintain control of your forces at all times fight fire aggressively, having provided for safety first Which fuel classification included large brush? ground heavy moderate median Ans: b. heavy Which extinguishing agent is best suited for use in wildland fire operations? AFFF carbon dioxide compressed air foam dry chemical Ans: c. compressed air foam What is the area between the fingers of a wildland fire? joint pocket island peninsula Ans: b. pocket What is another term for aerial fuels? raised canopy ladder elevated Ans: b. canopy What is dry lightning? a lightning strike that does not cause a fire lightning strike without rain lightning that does not contact the ground lightning occurring in otherwise fair weather Ans: b. lightning strike without rain Which factor has the greatest effect on the moisture content of fuels? temperature continuity wind relative humidity Ans: d. relative humidity Which federal government agency manages wildland incidents occurring on federal lands? Occupational Health and Safety Administration US Fire Administration US Forest Service f. Federal Emergency Management Agency Ans: c. US Forest Service Which of the following is a component of the wildland fire triangle? fuel moisture wind heat humidity Ans: c. heat The maximum diameter of a 1 hour fuel is . a. 1 " b. 1/2" c. 1/4" d. 3/4" Ans: c. 1/4" What is the term for the natural and human-made features of land? geology cartography topography geography Ans: c. topography What is usually the main type of fuel present in ground cover fires? heavy fine light course Ans: b. fine The unburned part of a wildand fire area is the . clear island perimeter green Ans: d. green What is the term for an area of unburned land surrounded by burned land? pocket heel finger island Ans: d. island Fuels that are in contact with each other are described as . continuous uninterrupted compact unbroken Ans: a. continuous The location near where a wildland fire began is the . origin heel launch source Ans: b. heel Which component of the fire triangle is in greatest abundance in a wildland fire? heat fuel oxygen reducing agent Ans: c. oxygen Aerial fuels are at least _ above the ground. 6ft 10ft 8ft 4ft Ans: a. 6ft If a wildland or ground cover fire is too dangerous for a direct attack, which type of fire attackshould be used? pincer flanking head indirect Ans: d. indirect The distance between fire fighters is a safety zone and the flames should be a minimum of times the flame height. 3 4 5 2 Ans: b. 4 The smothering method of extinguishment is most frequently used in which wildland operation? indirect attack direct attack overhaul cold trailing Ans: c. overhaul Typical backpack pumps contain . 4 to 8 gal 8to 12 gal 2 to 4 gal 5 to 10 gal Ans: a. 4 to 8 gal What is one of the two primary methods of direct attack on a wildland fire? aerial backfire pincer frontal Ans: c. pincer Which fuel is most susceptible to changes in relative humidity? compacted grass brush aerial Ans: b. grass Which type of wildland fire attack is made on the fire's burning edge? indirect direct frontal offensive Ans: b. direct What is the ratio of water in air compared to the maximum amount of water vapor that air canhold at a given temperature? saturation index barometric pressure moisture ratio relative humidity Ans: d. relative humidity On which basis are wildland fuels classified? weight moisture content diameter composition Ans: c. diameter What is one of the three categories of wildland fire causes? spontaneous conditional criminal intentional Ans: d. intentional What is the last resort for a fire fighter in danger of being overrun by a wildland fire? flee to the safety zone deploy a fire shelter take shelter in a vehicle cab take shelter in a house Ans: b. deploy a fire shelter What is one of the 10 standard wildland firefighting orders? avoid downhill fire line construction establish & maintain chain of command & span of control keep informed on weather conditions and forecasts beware of unburned fuel between you and the fire Ans: c. keep informed on weatherconditions and forecasts Which type of respiratory protection is normally used in wildland firefighting? SCBA PAPR Filter Mask APR Ans: c. Filter Mask What is one of the three categories of wildland fire causes? proximal electrical natural mechanical Ans: c. natural Which NFPA standard covers protective clothing and equipment for wildland firefighting?a. 1980 b. 1978 c. 1977 d. 1979 Ans: c. 1977 The NFPA defines wildland fires as unplanned and uncontrolled fire burning in fuel. natural living vegetative organic Ans: c. vegetative What is the term for the partly organic material on a forest floor? ground duff understory litter surface compost Ans: a. ground duff The quantity of wildland fuel available in specific area is fuel . volume loading density continuity Ans: a. volume Ground cover is an example of a(n) fuel. understory compact surface live Ans: c. surface Which of the following is an example of a fine fuel? grass branch root stick Ans: a. grass In which type of fuel will a fire spread the most rapidly? brush slash fine compacted Ans: c. fine According to the NFPA, rehab should be required after minutes of intense work withoutSCBA. 20 30 40 60 Ans: c. 40 How should company members check into the rehab center? on an as needed basis all members together individually in assigned pairs Ans: b. all members together What is the primary goal of rehabilitation? replacement of SCBA cylinders minimizing exposure to critical incident stress restoring normal body temperature reinforcing team integrity Ans: c. restoring normal body temperature PPE has the greatest effect on which body function? temperature regulation respiration perfusion cellular metabolism Ans: a. temperature regulation How does wearing PPE affect the body's ability to regulate temperature? heat in efficiently conducted from the skin to the shell cool SCBA cylinder air improves respiratory cooling the perspiration-soaked inner liner enhances cooling by convection PPE prevents evaporative cooling Ans: d. PPE prevents evaporative cooling At 5% of dehydration, work capacity can be decreased by as much as . a. 30% b. 20% c. 10% d. 5% Ans: a. 30% Which of the following is a form of active cooling? removal of PPE rest in a shady area rest in an air-conditioned environment application of wet, cool towels Ans: d. application of wet, cool towels Which of the following is a form of passive cooling? immersion in cool water use of misting fans application of wet towels rest in an air-conditioned environment Ans: d. rest in an air-conditioned environment Once a fire fighter loses an initial 2 quarts of water of internal fluid, how long will rehydrationtake? 5 to 15 minutes 15 to 30 minutes 30 to 60 minutes 1 to 2 hours Ans: d. 1 to 2 hours The USFA recommends establishing a rehabilitation operation when the heat stress indexreaches . 90 degree F 80 degree F 95 degree F 85 degree F Ans: a. 90 degree F Safety begins with . taking personal responsibility developing good habits leadership by example realistic training Ans: a. taking personal responsibility Which of the following activities produces the highest level of physiological stress? vehicle accident requiring extrication working in a fully encapsulated suit a medical emergency where the victim is choking back to back incidents Ans: b. working in a fully encapsulated suit Which of the following is a component of the seven part rehabilitation model? air cylinder replacement active/passive warming/cooling injury prevention check in/check out Ans: b. active/passive warming/cooling What is the most reliable way to stay well hydrated? drink early and often drink as much as you can during work periods drink when you are thirsty use urine color as an indicator of hydration Ans: a. drink early and often Protein should account for approximately of calories in a balanced diet?a. 25% b. 40% c. 10% c. 55% Ans: c. 10% Drinks that contain _ should be avoided for fluid replacement. electrolytes caffeine salt sugar Ans: b. caffeine When should a full rehabilitation center be established? for any incident occurring in extreme weather at all incidents requiring the use of PPE at all incidents in varies with conditions and the nature of the incident Ans: b. at all incidents requiring theuse of PPE How are rehabilitation concerns affected by cold weather? recommended fluid intake is reduced PPE reduces the likelihood of hypothermia drinking hot liquids should be prohibited rehab should include access to dry clothing Ans: d. rehab should include access to dryclothing What is the body's primary source of energy? electrolytes protein glucose insulin Ans: c. glucose Who plans ahead to make sure there is a fresh or rested crew ready to rotate with a crew thatneeds rehabilitation? the company officer the logistics section chief the staging officer the incident commander Ans: d. the incident commander The amount of rest needed to recover from physical exertion is related to the intensityof the work performed. not inversely somewhat directly Ans: d. directly What are electrolytes? specialized tissues that conduct nerve impulses compounds that provide energy for physical exertion salts and other chemicals dissolved in body fluids nutrients required for body temperature regulation Ans: c. salts and other chemicals dissolvedin body fluids How does PPE prevent evaporate cooling? perspiration is absorbed in the layers the thermal barrier prevents heat transfer the vapor barrier prevents evaporation of sweet the liner reflects evaporative heat Ans: c. the vapor barrier prevents evaporation of sweet How does humidity affect the body's temperature-regulating mechanisms? high humidity reduces evaporative cooling the need for fluid replacement decreases as humidity increases low humidity improves convective cooling sweating increases as humidity decreases Ans: a. high humidity reduces evaporative cooling Which fire ground situation is most likely to result in bloating? gulping water use of positive pressure SCBA heavy exertion stress and anxiety Ans: a. gulping water According to NFPA, rehab should be required after a fire fighter has consumed 30-minute SCBA bottle(s). 4 1 2 3 Ans: c. 2 What is the best source of complex carbohydrates? whole grain bread red meat fish vegetables Ans: a. whole grain bread What is the effect of rest on physical endurance? rest improves endurance there is no significant effect rest decreases endurance the effect varies with the type of exertion Ans: a. rest improves endurance In which type of incident is the rehab center located farthest from the operational area? confined space wildland high-rise hazardous materials Ans: d. hazardous materials When does the rest phase begin during the rehabilitation process? after body temperature has been restored after rehydration and calorie replacement upon arrival at the rehabilitation center after the initial medical evaluation Ans: c. upon arrival at the rehabilitation center Which of the following is a component of the seven part rehabilitation model? debriefing rotation stress management medical monitoring Ans: d. medical monitoring What should fire fighters do with their PPE in rehabilitation? keep it on in cold or wet weather remove helmets, hoods and gloves keep it on remove it Ans: d. remove it The body's ability to absorb fluid is limited to approximately per hour. 1 pint 1 gallon 1 quart 1 ounce Ans: c. 1 quart What is the most common source of saturated fats? fish animal products deaf-leaf vegetables c. cereal grains Ans: b. animal products At which type of incidents should a rehabilitation center be established? incidents requiring the use of full PPE all fire incidents high intensity / long duration incidents all incidents Ans: c. high intensity / long duration incidents The USFA recommends establishing a rehabilitation operation when the chill factor drops to or lower. 10 degrees F 20 degrees F 15 degrees F 25 degrees F Ans: a. 10 degrees F What is the standard method for managing the workload for fire fighters working a high-risefire? hoist, rather than carry, tools and equipment do not require PPE for personnel working in smoke-proof stairwells assign several companies to do the work normally assigned to one company enforce a 1:1 work time/rehabilitation time rule Ans: c. assign several companies to do thework normally assigned to one company What is a common sign or symptom of low blood sugar? excessive thirst feeling weak and shaky muscle cramps nausea and vomiting Ans: b. feeling weak and shaky Which condition is defined as an internal body temperature less than 95 degree F? frost bite cold stroke exposure hypothermia Ans: d. hypothermia A PPE ensemble weighs at least . 25 lb 60 lb 75 lb 40 lb Ans: d. 40 lb How should fire fighters be released from rehabilitation? individuals should be released as they complete the rehab process all member of a company should be released together personnel should be released on an as needed basis personnel should check out in the same order that they checked in Ans: b. all member of acompany should be released together A fire fighter can lose up to in an hour of strenuous exertion. 1.5 quarts 1 quart .5 quart 2 quarts Ans: d. 2 quarts Localized tissue damage resulting from prolonged exposure to cold is called . hypothermia frostbite frostnip coldsnap Ans: b. frostbite What is the main component in tissue growth and repair? unsaturated fats lipids protein carbohydrates Ans: c. protein Which statement about rehabilitation is correct? a rehab center should be established at every incident rehab should be limited to high intensity or long-duration incidents rehab should be a consideration on every incident the need for rehab should be determined by line personnel Ans: c. rehab should be aconsideration on every incident Hypothermia is defined as body temperature less than . 91 degrees F 95 degrees F 93 degrees F 89 degrees F Ans: b. 95 degrees F The danger category of the heat stress index is determined by the . relative humidity duration of exposure apparent temperature air temperature Ans: c. apparent temperature As fatigue increases, the risk of injury . stays the same becomes unavoidable increases decreases Ans: c. increases At which type of incidents is rehabilitation a concern? all fire incidents all incidents incidents requiring the use of full PPE high intensity / long duration incidents Ans: b. all incidents What is the ideal location for the rehabilitation center at a high-rise fire? in the lobby of the fire building outside but nearby the fire building in a safe location on the fire floor 2 or 3 floors below the fire Ans: d. 2 or 3 floors below the fire Fire fighters wearing fully encapsulated suits are particularly susceptible to . heat stress mechanical injury respiratory injury cardiac arrhythmia Ans: a. heat stress What is the most serious consequence of untreated dehydration? syncope death heat exhaustion heat stroke Ans: b. death According to NFPA, the minimum rest time during rehabilitation is minutes. 20 5 10 15 Ans: a. 20 Upon release from rehabilitation, fire fighters should . be medically evaluated report for reassignment be released from the scene return to their previous assignment Ans: b. report for reassignment Which fuel is used most readily by the body during high intensity physical activities? carbohydrates starch amino acids saturated fats Ans: a. carbohydrates What is the common sign or symptom of high blood glucose? nausea/vomiting syncope sluggish feeling profuse sweating Ans: c. sluggish feeling How are rehabilitation concerns affected by high humidity? the likelihood of hypothermia increases with humidity time spent is rehab can be reduced rehab time must double plain water only Ans: d. plain water only During short duration incidents, which type of nourishment is ideal for fire fighters to sustainpeak performance levels? caffeinated soda low sugar, high protein sports bars equal portions of protein, carbohydrate, and fat plan water only Ans: b. low sugar, high protein sports bars Nutrition during extended-duration incidents should emphasize . complete, balanced meals fluid and electrolyte replacement carbohydrate loading high protein, high fat foods Ans: a. complete, balanced meals In the time it takes to consume two SCBA air cylinders, enough body fluid can be lost to result in . heat exhaustion impaired temperature regulation syncope heat stroke Ans: d. heat stroke Fats should account for approximately of calories in a balanced diet. 40 to 50 percent 10 to 15 percent 55 to 65 percent 25 to 30 percent Ans: d. 25 to 30 percent What does the SAID (specific adaptation to imposed demands) principle apply to? training methods tactics and strategy critical incident stress rehabilitation Ans: a. training methods Carbohydrates should account for approximately of calories in a balanced diet.a. 30% b. 45% c. 60% d. 75% Ans: c. 60% A fire fighter's first priority should be to take care of . himself or herself people affected by the incident the general public the members of his or her company Ans: a. himself or herself Which kind of steel has been specially treated to resist cutting by normal means? case hardening alloy ductile tempered Ans: a. case hardening What must be done prior to making forcible entry into a fire building? utilities must be controlled an "all clear" must be declared the fire attack team must be ready ventilation must be established Ans: c. the fire attack team must be ready Before beginning any forcible entry, which reminder phrase should fire fighters keep in mind? without a hose, the fire grows get low before you go doors are replaceable; lives are not try before you pry Ans: d. try before you pry Which tool is part of the "irons"? pick head axe mallet flat-head axe pry bar Ans: c. flat-head axe Where are the hinges placed on a casement window? side middle top bottom Ans: a. side Ideally, when forcible entry is used, what should fire fighters do before leaving the scene? make the occupant aware of the unsecured openings bring the matter to the attention of the LE personnel take steps to secure the building photograph and document the damage Ans: c. take steps to secure the building Which tool combines an axe, a pick, and a claw? halligan bar pick-head axe ram bar clemens Ans: a. halligan bar Which type of glass is normally used in automobile side and rear windows? annealed laminated polycarbonated tempered Ans: d. tempered Where should a fire fighter stand when breaking windows? windward side of the window with the hands above the break leeward side of the window with the hands below the break leeward side of the window with the hands about the break windward side of the window with the hands below the break Ans: a. windward side of thewindow with the hands above the break What should be done after a self-closing door is forced? return the door to the closed position allow the mechanism to resume its normal operation cut the actuation cable chock the door in the open position Ans: d. chock the door in the open position How much damage is caused by forcing the locks on double-hung windows? moderate none minor extensive Ans: d. extensive Which action should fire fighters perform first before forcing a door? gap the door look for a glass panel in or adjacent to the door sound the surrounding wall check for the presence of a dead bolt Ans: b. look for a glass panel in or adjacent to the door How are jalousie windows normally opened and closed? pulling the chain attached to the drum sliding the sash within the frame turning a small hand-crank using a remote operated electric motor Ans: c. turning a small hand-crank Which type of glass is used in most sliding doors? tempered laminated annealed polycarbonate Ans: a. tempered Which of the following is a type of door frame? jointed stiled stopped dadoed Ans: c. stopped For forcible entry, who usually determines the point of entry and method to be used? fire fighter chief officer company officer incident commander Ans: c. company officer Which type of tool is a pick-head axe? combination cutting prying striking Ans: b. cutting Which type of cutting blade can be damaged by gasoline vapors? carbide tip plastic wood metal Ans: d. metal Which statement about outward-opening doors is correct? these doors can be identified by their exposed stiles the hinges of these doors are not accessible these doors are designed to facilitate exit these doors are typically found on residential structures Ans: c. these doors are designed tofacilitate exit Forcible entry tools are classified by type. What is one of those classifications? striking rotary nondestructive lever Ans: a. striking What is the minimum acceptable level of protective equipment when conducting forcible entryduring fire suppression operations? helmet, coat and gloves helmet and eye protection gloves and eye protection full structural firefighting PPE Ans: d. full structural firefighting PPE A K tool is used in combination with . vise grips a strap wrench a pick head axe a pry bar Ans: d. a pry bar Which of the following is one of the four major categories of door locks? cylindrical tumbler dead bold recessed Ans: a. cylindrical Breaching of which type of wall is most likely to result in structural collapse? sleeper bearing partition exterior Ans: b. bearing What is one of the three types of wooden swinging doors? tambour panel gibb stopped Ans: b. panel Which type of door is typically used for entrance doors? solid core panel hollow core ledge Ans: a. solid core Which hazard should be of particular concern to fire fighters who are carrying long tools? self-closing doors tight turns in corridor overhead wires windows Ans: c. overhead wires Tempered glass is about as strong as regular glass. four times half twice equally Ans: a. four times Which type of glass is normally used in automobile windshields? annealed laminated tempered reinforced Ans: b. laminated Which part of a door lock catches and holds the door frame? striker shackle latch mortise Ans: c. latch What is the term for a small opening in which a prying tool can be inserted? purchase anchor maw bite Ans: d. bite Which tool is designed for both cutting and prying? pry axe halligan ram bar bam bam Ans: a. pry axe What is the one of the two styles of wooden door frames? rabbet ledge barn finger joint Ans: a. rabbet Which type of window is made of overlapping sections of tempered glass in a metal frame? jointed jalousie projected casement Ans: b. jalousie What is the term for the transparent part of a window? glass glazing light lens Ans: b. glazing Which type of tool is used to apply an impact force directly on another tool or object? lever striking impact swinging Ans: b. striking What is the U-shaped part of a padlock that locks into the padlock body? bow latch tongue shackle Ans: d. shackle Which circular saw blade is susceptible to damage from gasoline vapors? all blades wood polycarbonate masonry Ans: d. masonry A chisel is classified as a tool. pushing/pulling prying/spreading cutting striking Ans: d. striking What is an approved treatment to prevent rusting of bare metal tool surfaces? paint a light film of oil cosmoline a nonflammable rust inhibitor Ans: b. a light film of oil A specialized tool for tightening or loosening hose couplings is the wrench. spanner ring strap hose Ans: a. spanner Which of the following is a common type of handsaw? chop coping lanier band Ans: b. coping What is a common use for a wooden wedge during overhaul? stopping the flow of water from a sprinkler head plugging a gas leak pulling a meter shoring unstable objects Ans: a. stopping the flow of water from a sprinkler head When should fire fighters begin to think about which tools they might need for a given call? during the response after size up at the beginning of the shift upon arrival at the scene Ans: a. during the response The use of a fan to blow clean air into a structure and force fire gases out is known as ventilation. positive pressure mechanical ejection horizontal Ans: a. positive pressure Which tool has two retractable blades? ceiling hook plaster hook a tool shove knife Ans: b. plaster hook Which statement about painting hand tools is correct? paint will evolve flammable vapors in a fire environment rust-inhibiting paint should be applied to the nonworking surfaces of metal tools paint will extend the life of wood handles the use of paint on tools can hide defects or damage Ans: d. the use of paint on tools can hidedefects or damage Which saw is designed for cutting curves into wood? coping fret hacksaw carpenter's handsaw Ans: a. coping Rotating tools are used to assemble parts that are connected by which means? threaded fasteners welds nails rivets Ans: a. threaded fasteners Which tool is most commonly used for debris removal? hux pike pole shovel pulaski Ans: c. shovel Which statement about the use of existing roof openings for vertical ventilation is correct? no additional openings should be cut in a roof that has preexisting openings existing roof openings are generally impractical to force open existing roof openings are generally too small to be useful existing roof openings should be used whenever possible Ans: d. existing roof openingsshould be used whenever possible Which tool is part of the basic set of interior fire fighting tools? rotating tool lever fulcrum tool prying tool Ans: d. prying tool A Roberts head is a type of . cylinder head axe head screwdriver maul Ans: c. screwdriver For which application would the use of a pick-head axe be incorrect? puncturing a door prying up boards ventilating a roof striking another tool Ans: d. striking another tool Which wrench has a closed end and is used to tighten nuts and bolts? adjustable spanner box-end pipe Ans: c. box-end Which tool is a hand powered hydraulic spreader tool? spanner rabbet pivot kelly Ans: b. rabbet Which mechanical device is needed to accomplish negative pressure ventilation? draft curtain fog stream chainsaw fan Ans: d. fan Which phase of a fire ground operation involves the observation and evaluation of factors usedto determine the strategy and tactics to be employed? evaluation initial assessment investigation size-up Ans: d. size-up Which tool is designed to pull a lock cylinder out of a door? rabbet tool K tool lock cutter hux bar Ans: b. K tool What is required to perform vertical ventilation? a positive pressure fan a smoke ejector an opening in the top of the building a roof ladder Ans: c. an opening in the top of the building Which tool is classified as a rotating tool? halligan pike pole screwdriver pry bar Ans: c. screwdriver What is the rabbet tool used for? making a temporary repair to a burst hose forcing open a locked door anchoring a rope opening a hydrant Ans: b. forcing open a locked door What is the easiest, quickest way to ventilate interior spaces in a building? use natural ventilation through windows use the building HVAC system create a vertical opening open interior doors Ans: d. open interior doors Which statement best describes the process of overhaul? overhaul ensures that all remaining fire is discovered and extinguished after the main fire hasbeen knocked down overhaul includes demobilization and the release of resources from the scene actions are taken to protect property from preventable smoke, fire, and water damage overhaul focuses on preservation of evidence, investigation, and determination of fire cause and origin Ans: a. overhaul ensures that all remaining fire is discovered and extinguished afterthe main fire has been knocked down For an extinguishing agent to be rated for a particular class of fire, it must . be effective in portable volumes prevent rekindling be nontoxic be noncorrosive Ans: b. prevent rekindling The use of Halon 1211 is strictly controlled because it is . harmful to the environment carcinogenic mutagenic a chemical asphyxiant Ans: a. harmful to the environment Which feature of some carbon dioxide extinguishers makes them dangerous for use on Class Cfires? steel cylinder metal horn loaded stream external cartridge Ans: b. metal horn A class K agent's effect on the fuel is known as _ . dissolution emulsification hydrolyzation saponification Ans: d. saponification Which of the following is commonly used as a dry chemical extinguishing agent? carbon tetrachloride potassium hydrate ammonium phosphate calcium bicarbonate Ans: c. ammonium phosphate Which statement best summarizes when a dry chemical extinguisher should be serviced andrecharged? after a discharge resulting in loss of 30 percent or pressurization after a discharge resulting in loss of 10 percent of pressurization after any discharge after a discharge resulting in loss of 20 percent of pressurization Ans: c. after any discharge Bromochlorodifluoromenthane is a agent. class D multipurpose dry chemical halogenated wet chemical Ans: c. halogenated What is one disadvantage of CO2 extinguishers? corrosive residue cost electrical conductivity short discharge range Ans: d. short discharge range All portable fire extinguishers use which means for expelling their contents? volume gravity pressure vacuum Ans: c. pressure Which class of fire involves energized electrical equipment? C B D A Ans: a. C How do multipurpose dry chemical agents prevent rekindling of Class A fuel? by attracting and holding moisture by forming a crust over the fuel by penetrating the fuel by interrupting the chemical chain reaction Ans: b. by forming a crust over the fuel Which compound is added to a water extinguisher to improve penetration of fuel? alcohol alkai metal salt a wetting agent bicarbonate Ans: c. a wetting agent What does it mean when a fire extinguisher has a pictograph with a red slash through it? use on that class of fire would be ineffective the fire extinguisher is rated for use on that class of fire the fire extinguisher has not been tested for use on that class of fire use on that class of fire could be hazardous Ans: d. use on that class of fire could behazardous What is the term for the substance that puts out the fire? propellant extinguishing agent live load dry charge Ans: b. extinguishing agent Which agent is approved for use in a Class K system? carbon dioxide aqueous film-forming foam dry chemical wet chemical Ans: d. wet chemical A loaded stream extinguisher is designed to _. improve fuel penetration resist freezing prevent unnecessary water damage create a foam blanket Ans: b. resist freezing A portable fire extinguisher is best suited for which situation? room and contents fire vegetation fire car fire fire in a wastebasket Ans: d. fire in a wastebasket If a private residence has a single fire extinguisher, where should it be located? near the bedrooms laundry area kitchen garage Ans: c. kitchen A class B foam extinguisher is NOT rated for which fuel? cooking oil paint thinner diesel fuel gasoline Ans: a. cooking oil All fire extinguishers are classified according to _ . the classes of fire on which they are effective their relative extinguishing power the net weight of their contents the type of extinguishing agent used Ans: a. the classes of fire on which they are effective What is a correct use for a portable fire extinguisher? diluting flammable liquids pretreating exposures overhaul situations in which the use of water is not recommended Ans: d. situations in which the use ofwater is not recommended Which hazard category includes automotive service or repair facilities? moderate extra severe ordinary Ans: b. extra For the purpose of fire extinguisher placement, what is the relationship between occupancy usecategory and hazard classification? hazard determines occupancy occupancy determines hazard they are different terms for the same thing they are not necessarily related Ans: d. they are not necessarily related Which class of fire includes cloth? B C A D Ans: c. A Combustion begins when a fuel is heated to its . lower flammable limit fire point flash point ignition point Ans: d. ignition point What expels the extinguisher agent from a pump tank water extinguisher? gravity pressure cartridge compressed air manual effort Ans: d. manual effort Dry chemical extinguishers may be used on Class C fires because they . are noncorrosive do not conduct electricity leave no residue are chemically similar to water Ans: b. do not conduct electricity What is a primary factor when determining hazard classifications for extinguisher selection andplacement? permissible occupancy load do not conduct electricity presence of sprinkler system amount of combustibles present Ans: d. amount of combustibles present A class A fire extinguisher with a numerical rating of 2 contains gallons of water.a. 2.2 b. 1.5 c. 1.0 d. 2.5 Ans: d. 2.5 What residue does a CO2 fire extinguisher leave when discharged? iron oxide none carbon mineral salt Ans: b. none Which extinguishing method is being used when a foam blanket is placed over the surface of aburning liquid? diluting the fuel inhibiting the chemical chain reaction cooling the fuel cutting off the oxygen supply Ans: d. cutting off the oxygen supply Which class of fire is depicted in the pictograph system by a flame and gasoline can. C A B D Ans: c. B Which class of fire is depicted in the pictograph system by a fire in a frying pan? C B K D Ans: c. K Which class of fire is depicted in the pictograph system by a flame and electrical plug andsocket? C D K B Ans: a. C Which extinguishing agent is suitable for use on a Class C fire? aqueous film-forming foam (AFF) carbon tetrachloride dry powder carbon dioxide Ans: d. carbon dioxide What is the primary extinguishing mechanism of dry chemical agents? forming a crust over the fuel interrupting the chemical chain reaction displacing oxygen suppressing vapor production Ans: b. interrupting the chemical chain reaction Which fire extinguishing agent is best for use on sensitive electronic equipment? aqueous film-forming foam (AFFF) loaded stream ammonium phosphate carbon dioxide Ans: d. carbon dioxide For the purpose of extinguisher selection and placement, what is an example of a light hazardenvironment? restaurant kitchen parking garage classroom self-storage building Ans: c. classroom For an extinguishing agent to be approved for use on energized electrical equipment, it must . form a vapor barrier leave no residue be safe of ruse in a closed room be electrically non-conductive Ans: d. be electrically non-conductive According to NFPA 10, the maximum floor area that can be protected by each extinguisher depends on the . occupancy load construction class occupancy type presence of a built-in suppression system Ans: c. occupancy type Which of the following is one of the three basic components required for fire? carbon oxygen an ignition source a catalyst Ans: b. oxygen Which statement about foam fire extinguishers is correct? both class A and class B extinguishers may be used to some effect on either class of fire neither class A nor class B extinguishers can be used to any effect on the other class of fire class A foam extinguishers may be used to some effect on Class B fires class B foam extinguishers may be used to some effect on class A fires Ans: d. class B foamextinguishers may be used to some effect on class A fires What is the best way to extinguish a class C fire? withdraw to a safe distance and let the fire burn itself out shut off the power and treat it as a class A or B fire use a class C extinguisher shut off the fuel flow at a valve Ans: b. shut off the power and treat it as a class A or B fire A class C agent must . be safe for use in an enclosed area be compatible with foam resist freezing not conduct electricity Ans: d. not conduct electricity What is the most commonly used extinguishing agent for Class A fires? water ammonium phosphate dry chemical potassium bircarbonate Ans: a. water The weight of carbon dioxide is about the weight of air. twice half of equal to one-and -a-half times Ans: d. one-and -a-half times For an area to qualify for the classification of "light hazard", most of the combustibles presentmust be . arranged so that a fire is unlikely to spread extinguishable by a portable fire extinguisher Class A only no more than moderately combustible Ans: a. arranged s that a fire is unlikely to spread Which class of fire involves combustible metals? A D B K Ans: b. D Which motion best accomplishes the removal of the pin and tamper seal from a portable fireextinguisher? push, then pull side to side motion twisting motion a strong pull directly outward Ans: c. twisting motion What is used to pressurize a stored-pressure water extinguisher? water nitrogen compressed air carbon dioxide Ans: c. compressed air The "P" in the acronym PASS, used in reference to fire extinguisher operation, stands for . point pause pull pick Ans: c. pull To qualify as a light hazard for the purpose of extinguisher selection and placement, the majorityof materials in the area must . be fire resistive be class A or C combustibles have a flash point exceeding 150 degrees F be noncombustible Ans: d. be noncombustible The hydrostatic test interval for a dry chemical extinguisher with a stainless steel shell is every years. 12 10 3 5 Ans: d. 5 Which statement about the numerical rating of a class K extinguisher is correct? the numerical rating indicates the relative extinguishing power of the agent a numerical rating is required for commercial hood systems there is no numerical rating for a class K extinguisher the numerical rating indicates the relative duration of the agent Ans: c. there is no numericalrating for a class K extinguisher In general, the maximum reach of a CO2 extinguisher is feet. 16 8 4 32 Ans: b. 8 What is the term for a water-soluble flammable liquid? miscible liquid hypergolic fuel solute polar solvent Ans: d. polar solvent A class C extinguisher is rated for use on . radioactive materials involved in flame flammable chemical energized electrical equipment wood, paper, or cloth Ans: c. energized electrical equipment What does a rating of 40 on a class B extinguisher mean? sufficient extinguisher power for 40 square feet of burning fuel BTU absorption comparable to 40 gallons of water discharge duration of at least 40 seconds sufficient extinguishing power for 40 gallons of burning fuel Ans: a. sufficient extinguisherpower for 40 square feet of burning fuel The traditional symbol for a class D fire extinguisher is a(n) . orange circle green triangle blue square yellow star Ans: d. yellow star Which class of fire extinguisher includes a number in its classification? C D A K Ans: c. A A fire extinguisher's agent is stored within its . cylinder tank chamber horn Ans: a. cylinder Which statement about dry chemical agents is correct? dry chemical agents are not subject to freezing dry chemical agents are noncorrosive all dry chemical agents have a multipurpose rating dry chemical agents are compatible with all types of foam Ans: a. dry chemical agents are notsubject to freezing Requirements for placing and mounting portable fire extinguishers are found in NFPA . a. 470 b. 1201 c. 10 d. 170 Ans: c. 10 Which statement is correct regarding class D extinguishing agents? application methods are similar regardless of the agent and fuel involved some agents are also rated for other classes of fire the specific agent must be matched to the specific fuel most agents are effective on several class D fuels Ans: c. the specific agent must be matchedto the specific fuel What is an advantage of portable fire extinguishers over hose lines? longer duration faster deployment controllable rates of flow greater heat absorption Ans: b. faster deployment Class D agents work primarily by . suppressing vapor production inhibiting the chemical chain reaction penetrating the fuel forming a crust over the fuel Ans: d. forming a crust over the fuel What is the difference between dry powder and dry chemical extinguishing agents? "dry powder" and "dry chemical" are both terms for the same class of agents a dry powder is compatible with foam; a dry chemical is not each is rated for a different class of fire a dry powder is harmful to the environment; a dry chemical is not Ans: c. each is rated for adifferent class of fire A potential problem with application of a multipurpose dry chemical agent to a class K fire is . spitting and splattering of fuel neutralization of other agents applied to the fire production of toxic gas sudden flare-up of the fire Ans: b. neutralization of other agents applied to the fire Which agent is rated for use on class A fires? potassium chloride ammonium phosphate sodium bircarbonate potassium bircarbonate Ans: b. ammonium phosphate Which class of fire is depicted in the pictograph system by a burning trash can next to a woodfire? A C B K Ans: c. A For the purpose of extinguisher selection and placement, light hazard environments usuallycontain a limited amount of combustibles of which class? D C B K Ans: c. B Which class of fire involves combustible cooking oils and fats? K A B D Ans: a. K When approaching a fire with an extinguish