Driver Operator / Fire Apparatus Operator (FAO) Practice Test

These questions are part of the practice quiz. Start practicing

• What type of maintenance should be routinely conducted for fire apparatus to ensure proper operation?
• What does the hand method determine regarding pump discharge pressure?
• The recommended nozzle pressure for 2-1/2" hand lines with solid bore tips is what pressure?
• If the water level in a reservoir is 150 feet above a fire hydrant, what is the static pressure reading at the hydrant?
• What does a spot beneath the vehicle indicate during an apparatus inspection?
• What is the collapse zone of a building in relation to its height?
• A 1-3/4" hose is expected to flow how many gallons per minute (gpm)?
• Where does relay pumping always begin?
• How do dual pumping and tandem pumping differ?
• In relay pumping operations, what is the role of the relay pumper?
• The transition from the water tank to an external water supply must be made:
• What is a characteristic of relay pumping?
• When supplying automatic sprinkler systems, pressure should be built up slowly to how many psi at the fire department connection?
• What situational factor can greatly affect the pressure calculations at a fire scene?
• How do you ensure that the apparatus is safe for operation regarding air brakes?
• What is the best definition of specific gravity?
• When does timing for a water shuttle operation start?
• What is a key advantage of using foam in firefighting?
• What should be considered when determining the size of a water tender?
• If the tachometer shows an RPM reading but the speedometer does not, what could it indicate?
• When does pumping ability decrease during drafting operations?
• What indicates a potential problem if the pressure gauge shows low pressure during operation?
• What is the first step in developing a pump chart?
• Using the hand method, what is the total pressure loss due to friction in 600 feet of 2-1/2" hose when a fog nozzle is flowing 150 gpm at 100 psi?
• Friction loss in hoses can affect the efficiency of what aspect of firefighting?
• What is a common problem when attempting to draft from a static water source?
• Why is it important to check for tire contact during a vehicle inspection?
• What type of distribution system provides a circulating feed of water mains?
• To be considered a quint, an apparatus must have a minimum tank size of:
• What is the primary goal of the Serpentine Course in driver operator training?
• Foam concentrate is defined as:
• A Class C fire hydrant delivering less than 500 gpm is typically colored what?
• If a one-square-inch column contains water to a height of 100 feet, what is the pressure in psi at the base of this column?
• Which method is NOT a primary function of firefighting foam?
• To prevent water hammer, how should valves, nozzles, and hydrants be closed?
• How is pump discharge pressure (PDP) calculated in relation to friction loss?
• During a service test, which of the following is not typically checked?
• Which of the following practices enhances safety when responding to an emergency?
• What does "pressure" refer to in terms of force-per-unit area?
• Which valve determines whether the pump is operating in series or pressure mode?
• Who is responsible for enforcing the requirements of codes related to testing fire pumps?
• The test that ensures the piping between the water tank and pump is sufficient to supply the minimum amount of water is the:
• What is a potential consequence of over-cleaning a fire apparatus?
• At what concentration is most alcohol-resistant foam effective in controlling hydrocarbon fires?
• Why is it important to maintain a certain level of fuel in an emergency vehicle?
• How can lighting equipment on fire apparatus be categorized?
• Which type of pump is specially designed for high-pressure applications in the fire service?
• During a water shuttle operation, when measuring efficiency, what is a key factor?
• Which type of hydrant is typically used in areas prone to freezing?
• Which of the following statements about auxiliary cooling devices is accurate?
• What type of gas is produced by batteries when they are charged?
• Fire streams that deliver less than what volume of gpm are considered handlines?
• What effect can water temperature exceeding 90°F (32°C) have on a fire pump?
• What should a driver consider when positioning a pumper to supply a fire department connection?
• What is the appropriate action when approaching an unguarded railroad crossing?
• What happens if a pump does not maintain the required discharge pressure during operations?
• What is the approximate gpm of water delivered from a 1-1/4-inch nozzle at 50 psi?
• To calculate friction loss in 2-1/2" fire hose when the flow is near 100 gpm, which formula should be used?
• What type of pump is most commonly used as a priming device on modern fire pumps?
• Which type of foam application system is the most common system used in the fire service today?
• Which method is commonly used to calculate the flow rate through a nozzle?
• When should relay operations be shut down?
• A straight stream can be defined as:
• What condition could result from operating a fire pump in excessively hot water?
• A booster hose is expected to flow __________ gpm.
• What is one of the goals of the Manual on Uniform Traffic Control Devices for Streets and Highways?
• Why might a department choose relay pumping in a response?
• What is the recommended minimum amount of fuel to maintain in an emergency apparatus?
• What is the result of using the coefficient method to determine pressure loss due to friction in the hose assembly?
• What is one method for performing an apparatus/pretrip inspection?
• When driving in winter conditions, how much greater should your following distance be?
• What is the pumping capacity of a 1,000 gpm pumper with a 20-foot lift?
• The United States Government authority that establishes the basic requirements for licensing of drivers is the:
• In which scenario would a fire hydrant not be the best source of water supply?
• For a fire hose flowing 350 gpm, what is the friction loss in 300 feet of 2-1/2" rubber-lined hose?
• What does a relief valve do in a pumping system?
• What factor is critical in selecting a proportioner for foam application?
• How can a driver determine road slippery conditions in adverse weather?
• When using an in-line eductor, the back pressure must not exceed what percentage of the inlet pressure?
• What system is designed to provide circulating feed from several mains?
• Which process is essential for maintaining a fire apparatus's effectiveness during a long incident?
• Which system is used to optimize fire hydrant flow rates and ensure compatibility with fire apparatus?
• What does the manufacturer's manual recommend for engine oil?
• What device is used to find the flow pressure at a discharge opening?
• The nozzle reaction from a 1-1/4" tip at 50 psi nozzle pressure is approximately how many pounds?
• What is each fire pump impeller in a housing commonly referred to as?
• What role do vanes play in an impeller?
• The amount of work that a pump must do to produce a fire stream is known as what type of pressure?
• Which foam property is crucial for effective firefighting?
• What is the function of the foam concentrate in an eductor?
• Which type of foam is known for its excellent heat stability and burnback resistance?
• How should a fire apparatus be dried after cleaning?
• What contributes to nozzle reaction on a compressed-air foam system?
• Fire streams greater than 350 gpm are considered to be:
• While operating on roadways near traffic, all fire personnel should wear ___________ for protection.
• Which primer utilizes the venturi principle?
• Why is it important to check the condition of the apparatus brakes regularly?
• What is typically the minimum pressure needed for effective fire fighting operations?
• For drafting purposes, lift is measured from what point?
• When lowering a barrel strainer into the water, how many inches of water should surround it?
• Friction loss is usually expressed in terms of which measurement?
• Pumping tests consist of pumping at 100 percent capacity at 150 psi, 70 percent at 200 psi and __________ percent at __________ psi.
• The distance a vehicle travels from recognizing a hazard to coming to a complete stop is known as?
• What is the purpose of the discharge gate in a pump system?
• What is one common cause of cavitation in a pump system?
• What is the primary purpose of the check valve in a fire department connection?
• What is the minimum length of 2-1/2" hose required to be carried on a water tender?
• A higher pump discharge pressure results in which of the following?
• Which type of pump may be used as the priming pump for a centrifugal pump?
• In a relay pump operation, it is desirable to maintain the minimum __________ pressure at the next pumper in line.
• How frequently should the changeover/transfer valve on a two-stage pump be checked?
• Relay pumping operations are primarily based on which factors?
• What is the first step when performing the skill of starting, idling, and shutting down a fire apparatus?
• In a relay pumping operation, the _________ should be positioned nearest the water source.
• How does alcohol-resistant AFFF foam primarily operate against hydrocarbon fires?
• The correct method of extinguishing fires from a wildland fire apparatus is to:
• The pressure created by a column of water due to elevation is known as what type of pressure?
• What is the importance of maintaining equipment in a foam suppression system?
• Which type of gauge is calibrated to read both positive and negative pressure?
• In what situation is Level II staging appropriate?
• When faced with a situation requiring evasive tactics, you should attempt to pass on:
• What is the minimum amount of water that pumpers must carry?
• Which best describes a dry-barrel fire hydrant:
• When the static pressure is 80 psi and a line flowing at 100 gpm drops the pressure to 70 psi, what is the estimated remaining gpm?
• What type of control system allows a fire pump to adjust flow automatically?
• If the inlet pressure to the eductor is too high, what may occur?
• What is a limitation associated with Compressed Air Foam Systems (CAFS)?
• What type of pump is primarily utilized in firefighting operations?
• What is the recommended pressure for a standard fog nozzle?
• What is a key factor to consider when determining the rate of application for fire fighting foam?
• Which foam application technique is used when a vertical surface is near the fuel?
• What is the maximum pressure recommended to prevent damage to equipment during operations?
• Which type of hydrant opens a small drain valve as it is closed?
• An engine with a 750-gallon booster tank is flowing two 1-3/4 inch handlines at 150 gpm each. How long can operations be supported?
• What defines the termination area at a traffic incident?
• Friction loss in hose, pipes, and appliances is:
• For a given hose size, what impact does doubling the length of the hose have on friction loss?
• On which port should screens be inspected for rocks or debris?
• Using the inside/outside method, which apparatus should position next to a building higher than five stories?
• What does the National Fire Protection Association Standard 1901 require manufacturers to provide upon delivery of a new piece of fire apparatus?
• How should blind and heavily traveled intersections be approached?
• An operator obtains a reading of 17 inches of mercury on the intake gauge while drafting and flowing water. What does this indicate?
• What might an increase in vacuum while drafting indicate?
• Why are centrifugal fire pumps primarily used in the fire service today?
• What allows fire apparatus to move and discharge water simultaneously?
• When the flow through a hose line increases from 100 gpm to 400 gpm, by how many times does the friction loss increase?
• What is the primary goal of implementing Level II staging?
• In what scenario would the hand method be preferred over other methods?
• At what nozzle pressure is the calculation made for a ladder pipe with a 2-inch tip?
• What should be considered when determining the flow rate for a compressed air foam system?
• When at an intersection, when should apparatus be brought to a complete stop?
• When stopping a fire apparatus, which factor is necessary to consider?
• The amount of water available for fire fighting is determined through which process?
• What is the next step after ensuring an automatic transmission apparatus is ready to move?
• When is a finished mechanical foam created?
• What can happen if a diesel engine is shut down immediately after full-load operation?
• Inspecting all valves is part of what maintenance category?
• All fire apparatus should be equipped with __________ that warns others when the apparatus is backing up.
• What is the formula for calculating the gpm flow rate for a tender?
• When calculating water pressure, what is important to include in the hydraulics calculations for elevation?
• During a relay operation, what is crucial for maintaining efficiency?
• How long should it take for air pressure on apparatus equipped with air brakes to build sufficiently to operate?
• Which power system is most commonly found in fire pumps?
• When driving an apparatus, what should you aim to do with regard to gears?
• Which formula can be used to estimate gallons-per-minute in a smooth bore nozzle?
• After flowing a 300 gpm line, a 6 percent drop was realized on the incoming pressure. How many additional lines of the same flow could be added?
• How often should the primer pump oil reservoir be checked?
• What is the maximum height water can be drafted, as opposed to the theoretical lift of approximately 33.9 feet?
• Flowmeters should be accurate to a tolerance of what percentage?
• In firefighting, what does the term "friction loss" refer to?
• The angle from the front point of ground contact of the front tire to any projection of the apparatus in front of the front axle is considered the:
• When arriving on scene with no evident fire conditions, where should the apparatus be positioned?
• What is the designation for nozzles that can deliver up to 350 GPM?
• The weight carried on most fire apparatus can contribute to which of the following?
• Which type of fire pumps requires priming with an external priming device?
• When responding to a highway emergency, how should the apparatus be positioned?
• What percentage of water is found in most fire fighting foam?
• What is a common result of over-throttling an engine?
• On a working fire, what is the best practice for positioning the apparatus up a long, narrow driveway?
• Which type of foam can be utilized on both hydrocarbon and water-soluble fuels?
• What percentage of its rated capacity should a pumper deliver at 250 psi during a pump capacity test?
• Theoretically, what is the maximum distance a pump can lift water at sea level?
• What is one of the most critical factors to monitor in pump operation?
• What is one common cause of skidding while driving an apparatus?
• When using foam to extinguish a fire, the cooling method does what?
• How much will water rise for each indicated vacuum according to a reliable lift method?
• The purpose of an inverter on an apparatus is to transform:
• Before shutdown, how many minutes should the engine temperature be allowed to stabilize by idling?
• When the power take-off is activated and the pump engaged, what speed should the vehicle speedometer show?
• A fire hydrant with an orange bonnet and cap typically flows what range of gallons per minute?
• What should be done if leaks are detected during an inspection?
• What is the term for keeping fire apparatus in a state of usefulness or readiness?
• Compressed air foam systems should be operated at flow rates that are:
• All gauges used for service tests must have been calibrated within ________ days.
• What advantage do in-line relay valves provide in relay operations?
• What is the ideal position of an apparatus when responding to a school zone emergency?
• What type of valve is used to relieve pressure in hose lines after the discharge gates are closed?
• What is the difference between the pump discharge pressure and the incoming pressure from the hydrant called?
• What is the function of an auxiliary cooling device within a fire apparatus?
• When approaching a fire scene, how should the apparatus be positioned?
• In situations where the water supply is low, what action can a pump operator take?
• What technological advance has reduced the need for fire ground hydraulic calculations?
• What is needed to account for the length of the hose in pressure calculations?
• What foam application technique directs foam to the ground near the front edge of a burning liquid pool?
• What is the recommended lift for an apparatus fire pump of 1500 gpm or less when drafting?
• The speedometer on a fire apparatus primarily serves what purpose?
• Research indicates that an emergency vehicle traveling faster than what speed might not be heard by bystanders?
• During a pump capacity test, if the nozzle flow is too high, what action must be taken?
• What is the purpose of a drafting site in fire operations?
• How can an operator verify that their pump is operating within safe pressure limits?
• Which part of the rotary vane pump moves as it operates?
• How much friction loss should be accounted for when pumping to a standpipe connection on the 10th floor?
• What component allows for controlled flow in a dry barrel hydrant?
• What determines the layout of a discharge manifold in relay operations?
• How many cones are used during the serpentine driving skill?
• How are tenders commonly unloaded during fire operations?
• What two tests are typically performed if the requirements of NFPA 1901 are in the apparatus bid specifications?
• What is the approximate flow from a 1-inch nozzle tip with a nozzle pressure of 50 psi?
• Which type of standpipe system relies on the fire department to provide all the water?
• What term describes corrosion or mineral deposits on the interior surface of piping in a water distribution system?
• What is the significance of using a gated wye in fire operations?
• What should be done with the apparatus when responding to an emergency on a limited-access highway, if it is not in use?
• Available flow from hydrants is estimated by determining the percent drop between the static and which type of pressure?
• Which of the following best describes a dry hydrant?
• When responding to a vehicle fire, you should position the apparatus at a __________ degree angle to the involved vehicle.
• Under what condition can apparatus be driven against the normal flow of traffic on limited-access highways?
• What is the first factor to check when inspecting fire hydrants?
• What is the minimum depth of water required to pull a draft using a barrel strainer during a service test?
• What is the primary concern when maneuvering a fire apparatus through tight spaces?
• What happens when the pressure in a relief valve exceeds the set pressure?
• When making an intake connection at a hydrant, how should the intake hose be positioned?
• The flow or quantity of water moving through a hose or nozzle is measured by its volume and is usually given in:
• What is the first step in the walk-around method of apparatus inspection?
• Which formula is used to determine the area of a circle?
• __________ consist of a small return (bypass) water line connected from the discharge side of the pump back to the intake side of the pump.
• What is the minimum air pressure at which the air pressure protection valve should operate to prevent horns from functioning?
• How does elevation affect engine pump pressure calculations?
• When positioning apparatus at an incident, the most desirable position is usually:
• When fire apparatus is operating with __________, it is engaging in a Code 2 response.
• What is the actual maximum height to which water will be lifted when the intake gauge reads 9 inches of mercury?
• What device is used to indicate flow in gallons per minute?
• What best describes a nonemergency response during normal operations?
• Why is it critical to understand a fire apparatus's dimensions?
• When using foam to extinguish a fire, the separating method:
• What is the friction loss in 400 feet of 3-inch hose with 2-1/2" couplings flowing at 400 gpm?
• What type of pumps are commonly used as priming pumps?
• Which best describes a wet-barrel hydrant?
• What is the minimum acceptable residual pressure at the intake gauge in relay pumping operations?
• One way to increase the efficiency of water shuttle operations is to:
• What is the common challenge faced by firefighters when estimating water flow requirements?
• At an intersection, what should you do if you cannot account for all lanes of traffic?
• Which of the following is crucial for inspecting a battery?
• During a fireground operation, how should personnel approach the scene?
• What is the maximum flow rate typically associated with handline nozzles?
• Which of the following indicates cavitation in a fire pump?
• Which of the following is a primary reason for a pump operator to bleed air from the system?
• Because of the size of an apparatus, as well as the clearance needed when backing, you should:
• What is one of the main components that must function properly during a pump test?
• What is a common reason for poor foam quality when using an in-line eductor?
• To achieve the rated capacity of a pump, it must be operated in which position?
• What is the total pressure loss for 800 feet of 3-inch hose flowing 300 gpm according to the Condensed Q Formula?
• Which system is controlled by monitoring water flow and pump speed?
• At a wildland fire, where is the safest place to begin an attack?
• Which formula can be used to estimate the flow of water in gallons-per-minute in a smooth/solid bore nozzle?
• What tank-to-pump flow rate must be provided by apparatus equipped with water tanks of 500 gallons or less?
• How many inches of vacuum maximum can be lost during a vacuum test conducted over five minutes?
• Pressure control devices must operate within ________ with an increase of 30 PSI.
• Which method is most effective for transferring water between dump tanks using a 1-1/2 inch hose?
• Which of the following tasks is NOT part of routine maintenance?
• What is one consideration to keep in mind when driving near children on roadways?
• A 2-1/2" hose is expected to flow how many gallons per minute (gpm)?
• An apparatus equipped with a 1,000-gallon tank that supplies two pre-connected handlines flowing 150 GPM and 100 GPM will supply the lines for how many minutes?
• What is the total pressure loss for 600 feet of 3-inch hose flowing 400 gpm using the Condensed Q Formula?
• What device is responsible for injecting foam concentrate into the water?
• What is the pressure reading in psi at sea level indicated by a "0" psi reading on most pressure gauges?
• What type of firefighting foam is designed for use on polar solvent fuels?
• What is the main purpose of the suppressing method when using foam to extinguish a fire?
• What should be set before placing the apparatus in pumping mode?
• What is a fundamental component of a foam generation system?
• Water tanks on fire apparatus are required to have ________ to stop liquid surges.
• What indicates that routine maintenance is needed on a battery?
• What is the primary purpose of the oil pressure gauge in a vehicle?
• When is it permissible to be in a moving apparatus without a seat belt?
• When conducting a service/performance test on a fire pump, the first test is the:
• Which statement is correct when responding to an incident?
• What should be the main concern when a fire pump is showing signs of cavitation?
• A distributor nozzle could be effectively used on:
• Which mechanism is often used to regulate engine power during water discharge?
• Which type of portable foam proportioner is considered basic?
• Why is it important for the apparatus driver to maintain situational awareness?
• What is crucial for effectively judging a vehicle's ability to pass through restricted openings?
• When considering a deck gun, what is the friction loss for the deck gun noted?
• A pressure governor operates by:
• According to NFPA 1901, how many feet of 2-1/2" or larger fire hose must a pumper apparatus carry as a minimum?
• What formula is used to determine water flow from any solid stream nozzle?
• In a water distribution grid, what component supplies individual hydrants and users?
• What is the term for the part of the total pressure not used to overcome friction or gravity while forcing water through hose and fittings?
• The process that allows foam concentrate to move through an in-line foam eductor is known as what principle?
• What is brake fade?
• During a water shuttle operation, the pumper located near the emergency scene is called the:
• Improper tire pressures on a fire apparatus may lead to which issue?
• What is the primary action involved in a dual-pumping operation?
• What device can be used to determine flow pressure at the opening of a smooth bore orifice?
• How often should the tank water level be visually checked for proper apparatus maintenance?
• What type of hose layout is defined as being laid from the fire to the hydrant?
• How quickly must the oil pressure control device operate after the discharge pressure rises?
• What are the components on an impeller that are designed to assist in directing water to the edge?
• A braking system that has a snow-and-mud switch is known as what type of system?
• Which of the following is a requirement for NFPA 1901 compliant pumpers?
• In terms of maintaining apparatus, what specific level should be regularly checked?
• The purpose of using a spotter is to assist:
• Securing a water source is primarily the responsibility of the:
• During a battery inspection, what should be monitored closely?
• What is the primary function of a fire department pumper?
• What level of training should a fire apparatus operator ideally possess?
• What is a common indicator of the need for further inspection of the apparatus?
• What operating principle do simple in-line foam eductors use?
• What must be completely open when filling or dumping a tank to prevent damage?
• What is one of the primary purposes of apparatus maintenance records?
• Fire apparatus driver/operators are generally subject to which of the following?
• At what pressure does the audible alarm sound on an air brake system?
• Master stream nozzles can be categorized as:
• In order to use an in-line eductor effectively, the foam must be:
• What is unique about fluoroprotein foam compared to other foams?
• In relation to pump operations, why is it vital to monitor discharge pressure continually?
• Which factor does NOT affect the quality of foam produced?
• Using the condensed Q method, what is the friction loss in 500 feet of 3-inch fire hose flowing 300 gpm?
• What is a true statement about how foam functions?
• How many degrees can a driver/operator turn the apparatus in a confined space turnaround?
• What is the minimum recommended supply pressure to maintain for firefighting operations?
• The pumper should use what type of strainer on the end of the hard intake hose to maximize water removal from a portable tank?
• An emergency response with both lights and sirens activated is known as what type of response?
• What factors should the driver consider before an evasive maneuver?
• What type of valve allows the bypass of fluids to limit pressure in a system?
• According to NFPA 1071, what role may some fire departments have regarding apparatus maintenance?
• The type of fog nozzle that maintains approximately the same nozzle pressure even if the gallonage supplied to the nozzle changes is known as a(n):
• What additional ladder must fire pumpers carry alongside a straight ladder and an extension ladder?
• A test that is conducted using National Fire Protection Association 1911 once a year is called a(n) __________ test.
• What is a potential issue when performing routine maintenance on emergency vehicle batteries?
• Which aspect of maintenance relates to ensuring that all moving parts receive adequate lubrication?
• What is the purpose of the pump controller in a fire pumping system?
• What is true regarding foam production?
• What is the desired pump pressure when supplying two lines of 2-1/2" hose, one 200 feet long and one 300 feet long, each with a 250 gpm nozzle operating at 100 psi?
• What does the engine oil pressure gauge indicate?
• In addition to showing vehicle speed, what else may the speedometer indicate?
• What skill does the diminishing clearance driving technique primarily assess?
• When performing a capacity test, the desired net pump pressure should be __________ psi.
• Which is the priority consideration when positioning an apparatus at a fire scene?
• What is the recommended position for an emergency vehicle during incidents near railway tracks?
• If a vehicle in front of you stops while traveling in the center lane on a highway during an emergency call, what should you do?
• What is the primary consequence of water flowing through hoses and pipes?
• A hydrant with the largest capacity is usually connected to which type of feeder?
• What can happen to a fire apparatus that is not routinely maintained?
• Why should dry barrel hydrants be opened completely?
• What consequence may arise from not allowing a diesel engine to cool before checking the oil?
• When a pumper is supplying four lines of 2-1/2" hose, each equipped with a 250 gpm fog nozzle at 100 psi, the pump discharge pressure required is approximately what?
• What type of nozzle is effective when fighting a fire in an aircraft cargo space?
• What can a driver/operator of an emergency vehicle face if they do not obey driving regulations?
• A 2-1/2 inch fog nozzle flowing 225 gpm at a pressure of 100 psi will have a reaction of approximately how many pounds?
• Nozzle reaction is explained by which law of physics?
• What is the approximate nozzle reaction from a ladder pipe with a 2-inch tip at 80 psi?
• Under normal circumstances, how many seconds does the entire priming action typically require?
• How many gallons per minute is typically used for each 1-3/4 inch handline?
• The barrel strainer must be submerged at least __________ below the surface of the water for a pumper service test.
• When pumping from a tank and intermittently using attack lines, how can the pump operator prevent the pump from overheating?
• Which type of flowmeter is noted for being relatively maintenance-free?
• In a continuous shuttle operation, what is the approximate available gpm for fire flow using three tenders with given capacities and trip times?
• Which of the following is considered a natural static water supply source?
• During what scenario is it most important to manage pump pressure effectively?
• What do high-energy foam systems introduce into the foam solution before discharge?
• What device is used to create pressure in low-energy foam systems?
• When using hose lines above ground level, how much pressure is typically added for each story of the building?
• A fire hydrant with a green bonnet and cap will flow how many gallons per minute?
• What is necessary to do when priming a pump?
• Which of the following is critical when connecting to a fire department connection?
• What is a critical factor in conducting an effective pump test?
• What is the primary reason for using warning devices while responding to emergencies?
• What is the estimated friction loss in 400 feet of 2-1/2" hose flowing at 300 gpm?
• The required pump discharge pressure to supply standpipes primarily depends on:
• What is the theoretical lift for a pump at sea level?
• What is Level I staging used for?
• Why is it necessary to build up pressure slowly when supplying automatic sprinkler systems?
• At what net pump pressure is the 50 percent pump capacity test conducted?
• What would be the estimated friction loss in a 600-foot length of hose flowing the same amount of water if 300 feet has a loss of 70 psi?
• Approximately how many psi should be added to the desired engine pressure for each floor above the standpipe connection?
• Why is it important for fire departments to conduct regular pump capacity tests?
• Approximately how much water is delivered from a 1-1/4-inch smooth bore nozzle at 50 psi?
• What percentage of tolerance is considered acceptable for flowmeter accuracy?
• In a relay pumping operation, what role does the attack pumper play?
• If the pump has a rated capacity of 750 gpm or greater, the fire apparatus must be subjected to an overload test lasting at least:
• What is an operational disadvantage of an around the pump foam system?
• When pumping to a standpipe system, a pump operator should allow what amount of friction loss for the standpipe system?
• Which aspect of foam is critical for its effectiveness during application on fires?
• What action should be taken upon encountering a school bus with flashing lights while responding to a call?
• Liquids that are lighter than water have a specific gravity that is:
• What is the major component of a centrifugal pump that provides velocity to the water?
• At a working fire, which apparatus has the highest priority for position?
• When multiple emergency vehicles are responding along the same route, what is the recommended distance they should maintain between each other?
• Which aspect is crucial when identifying nozzle characteristics while developing a pump chart?
• Why are discharge manifolds used in relay operations?
• The type of fog nozzle designed to flow a specific amount of water at a specific nozzle discharge pressure on all stream patterns is known as a(n):
• If the speedometer shows a reading above 0 while parked, what might this indicate?
• What is the friction loss in 300 feet of 3" fire hose with 2-1/2" couplings flowing 500 gpm?
• Which fire hose appliance is commonly carried on fire apparatus?
• What is the left side of an apparatus commonly referred to as?
• What does braking distance refer to?
• When are engine brakes activated?
• If the friction loss in 300 feet of hose is 70 psi, what will the friction loss be in 450 feet of the same size hose, flowing the same amount of water?
• Which of the following is an example of a polar solvent fuel?
• What is the recommended nozzle pressure for smooth bore master streams?
• A fire pump is rated by and tested to __________ specifications.
• Which of the following skills typically does not require the assistance of a spotter?
• What can the weight transfer of liquid surge cause when driving fire apparatus?
• What action should be taken if the apparatus does not stop within the required distance during a parking brake test?
• According to the National Fire Protection Association 13, pressure-regulating valves should be installed on standpipe risers where static pressures exceed what value?
• Altitude is best defined as a:
• What should be checked periodically by a mechanic on a fire apparatus?
• What is the main feature of a relief valve?
• What is the recommended cool down period for a hot apparatus diesel engine before shutting it down?
• What is a common cause of fire apparatus skidding?
• In a road acceptance test, how quickly must a fully loaded pumper come to a full stop from 20 mph?
• What causes water to enter the pump during the priming process?
• What are on-board computer systems used by many fire departments called?
• Which two types of flow meters are commonly used?
• In an auxiliary cooling system, heat is transferred from the engine coolant to the:
• What is the formula for calculating the nozzle reaction of a solid-stream nozzle?
• Which drafting sites should be given preference for fire operations?
• Which factor is primarily responsible for determining friction loss in hoses?
• When should a pump operator prime the pump?
• Why is it important to perform an overload test on fire apparatus?
• As flow decreases, pressure will ________ provided pump speed remains constant.
• At what location are fire apparatus most likely to be involved in an accident?
• During a left- and right-rear side inspection, what should be checked about the dual tires?
• When calculating the total pressure loss in 600 feet of 4-inch hose flowing 1,000 gpm, what is the result?
• During fire ground operations, what factor is critical for determining the effective positioning of apparatus?
• What is the formula for calculating the total pressure loss in a flexible hose?
• What is one objective of good maintenance related to apparatus?
• When should an operator switch from pressure to volume in pump operation?
• Which factor influences the effectiveness of a fire pump's operation?
• The buffer space at a traffic incident is defined as:
• What device is used to indicate water pressure in pounds per square inch?
• To aerate means to mix with:
• What device introduces foam concentrate into the water stream to create foam solution?
• What assists in both braking and reducing wear on service brakes?
• What operation involves each impeller of a multi-stage centrifugal pump discharging into a common outlet?
• What does cavitation in pumping systems refer to?
• Apparatus equipped with water tanks larger than 500 gallons must provide a tank-to-pump flow rate of __________ gpm.
• What is the name of the spiral chamber in a centrifugal pump where velocity is converted into pressure?
• What is an essential function of the source/supply pumper in a water relay operation?
• What is the total friction loss in 500 feet of 3" hose with 2-1/2" couplings and 300 gpm flowing?
• What should be included in the pre-trip inspection checklist for fire apparatus?
• What does the pump discharge pressure (PDP) formula incorporate?
• Many accidents involving apparatus are caused by the operator:
• What device is used to control pressure surges by adjusting engine speed based on flow changes?
• What action should an apparatus driver take when all lanes of traffic are blocked in the direction of response?
• What characteristic does a foam solution require for effective fire suppression?
• Centrifugal fire pumps may make use of:
• What is the primary purpose of a compound gauge in fire apparatus?
• When an evasive maneuver is necessary, what should the apparatus driver always ensure?
• What is one key purpose of the mobile data terminals in fire departments?
• When using the condensed Q formula, what is the approximate friction loss in 600 feet of 3-inch hose flowing 500 gpm?
• What happens when the intake pressure drops below 20 psi during relay pumping?
• What is a valid exception to the rule that all riders must be seat belted during motion of the apparatus?
• What is a common reason for eductor failure in foam systems?
• What does a voltmeter read after starting the engine?
• What is defined as any fire stream that is too large to be controlled without mechanical aid?
• What feature does a pump and roll system provide for fire apparatus?
• What engine pump pressure is necessary to deliver 200 gpm through 200 feet of 2-1/2" hose to a fog nozzle at ground level?
• Which component is critical for maintaining pump integrity during relay operations?
• How far should the apparatus come to a complete stop during a parking brake test?
• If an apparatus begins to skid, what should the driver/operator do?
• What is the approximate engine pump pressure needed to deliver 600 gpm through a fog nozzle on a deck gun with three 2-1/2" lines?
• What is the primary purpose of a grid system in water distribution?
• The transition area as defined by the Manual on Uniform Traffic Control Devices for Streets and Highways is:
• What will the manufacturer's manual recommend regarding engine oil?
• Which statement regarding the positioning of pumping apparatus is correct?
• A sudden stoppage of water moving through a hose may result in which condition?
• What is a dedicated provider of extinguishing agent flow and pressure for fire protection?
• What is a recommended step to reduce engine temperature during extended pumping?
• Which type of maintenance involves checking and documenting the oil level, radiator coolant, and tire conditions?
• How can excessive engine temperatures during pumping operations be controlled?
• Which type of nozzle is ideal for fighting fires in a basement or cellar?
• Most driving regulations primarily address which type of environmental conditions?
• Before departing from the fire station, what should the driver/operator ensure?
• The nozzle reaction can be reduced by increasing what?
• What is typically the last step in a fire pump performance test?
• The confined space turnaround maneuver is designed to mimic which driving situation?
• What is essential when pumping from a hydrant?
• Which method can be used to calculate the capacity of a water shuttle operation in gpm?
• What is the term used to describe awareness of the surroundings while driving an apparatus?
• What does the term "residual pressure" refer to in firefighting?
• How should the apparatus be loaded during road tests?
• What is the relationship between flow rate and friction loss in a hose line as flow increases?
• What is the maximum pump discharge pressure that should not be exceeded unless the standpipe system can handle higher pressures?
• The recommended method of determining the exact friction loss of any appliance is to:
• How can firefighters prevent interruptions during water relay operations?
• Before changing from tank water to an external source, what should an operator ensure?
• A 2,000 gallon tender makes the round trip between the dump site and fill site in 12 minutes. What is its flow rating in gpm?
• Which of the following is a critical factor for the effective operation of fire hydrants?
• The standard that gives direction for establishing a driver/operator training program is National Fire Protection Association:
• What is the purpose of a no-load governed engine speed test?
• How long should a diesel engine be shut down before checking its oil level?
• What is the estimated flow from a 2-inch nozzle with ideal nozzle pressure using the formula gpm = 29.7 X d2 X NP?
• What may result from operating engines below the minimum coolant temperature?
• What is a primary goal of relay pumping?
• What type of pump is specifically designed to handle the high flow rates and pressures in fire service?
• When selecting a foam application method, what factor is most important to consider?
• What is the maximum allowable steering wheel play in either direction?
• In a typical fire operation, what is the most critical factor when connecting to a water source?