OSFM Fire Apparatus Engineer (FAE) Practice Exam

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• A Pitot gauge is used to measure which parameter?
• The double male adapter is used to join to which type of coupling?
• Which of the following is included in the 5 Quint Requirements (NFPA 1900)?
• To properly test hydrants in a test setup, how many hydrants off the same main are required?
• When is a rural water shuttle operation appropriate?
• Which safety devices or indicators should be checked on the pump panel prior to operation?
• What does an engine tachometer measure?
• For a fog stream, what angle from center is the typical orientation of the droplets?
• Which item is not typically included in NFPA 1911 pump testing and maintenance documentation?
• What action should be taken to restore discharge flow if discharge valves are found closed?
• Which NFPA standard covers Inspection, Testing, and Maintenance of fire apparatus?
• What is the friction loss mnemonic for 4 inch hose?
• Which feature is associated with a two-stage centrifugal pump?
• Which component connects to the volute?
• Medium expansion foam expansion range is
• What is the brand name listed for the source capture exhaust system?
• What is the typical diameter for large diameter hose?
• Under NFPA 1900 Initial Attack Apparatus Requirements, what is the minimum pump capacity?
• What safety checks should be performed on the pump panel before advancing to the scene?
• What is the function of a double female adapter?
• Which nozzle is required when using an aspirating foam concentrate?
• What is a characteristic of wetting agents in foam concentrates?
• Protein concentrate are used for which fires?
• What is the typical GPM range for a 1-3/4-inch preconnect, and when would you select it over larger lines?
• Which strainer is best when the bottom depth is unknown?
• What is the purpose of the foam proportioning system on an engine?
• What defines a fog stream?
• Which frequency is listed for routine activities in the material?
• What is the friction loss mnemonic for 5 inch hose?
• What is the rotating part of a centrifugal pump called?
• What is the primary purpose of a suction relief valve on a fire pump?
• Which feature is listed as part of the 5 Quint Requirements (NFPA 1900)?
• What is the discharge header or manifold used for?
• Which foam is associated with the 1970s as an alcohol-resistant foam?
• Which device mixes concentrate into water to produce foam streams by maintaining the proper percentage?
• Class A hydrants are what color and have what GPM range?
• In a multi-engine water supply, what is the typical role of the initial attack engine?
• In a two-pump relay, what is the purpose of the feeder line?
• SFFF is essentially what relative to AFFF?
• Under NFPA 1900 Initial Attack Apparatus Requirements, how many cubic feet of hose are required?
• What is the nozzle pressure for a smooth bore nozzle as listed?
• In pump operations, what primarily controls the GPM at the nozzle, and what remains a factor?
• Cavitation occurs when you attempt to pump water at a higher rate than which of the following?
• When engine warning indicators illuminate during a pump test, what action is appropriate?
• Which foam was developed in the 1960s?
• What term describes agents that enhance properties or provide a new property to aid in fire or vapor suppression?
• In a two-alarm water supply scenario involving multiple engines, what is the role of the second engine?
• Which item is not typically considered a major component of a pumper pump panel?
• If a suction leak occurs during drafting, what is the first recommended action to minimize air infiltration?
• All pumps are rated while drafting from what type of water source?
• In the foam systems described, what does the membrane do?
• Why would you use reducer couplings in a hose line and how do they affect flow?
• Class B foams are designed to extinguish which fires?
• Under NFPA 1900 engine requirements, how many cubic feet of storage are required?
• Which of the following is NOT a step in inspecting and testing a foam proportioner system?
• For Mobile Water, also known as tenders, what is the required booster line length to protect the rig?
• What is backpressure in the context of a fire pump system and how can you manage it?
• Which foam type corresponds to fluoroprotein foams?
• Under NFPA 1900 Initial Attack Apparatus Requirements, what is the minimum tank capacity?
• In foam history, which type originated in the 1940s?
• Static pressure is defined as what?
• Inspection of apparatus should occur at which times?
• AR-FFFP is used for which fuels due to the polymer?
• What term describes moving water from a source to where it is needed using a hose and at least 2 pumpers?
• Small diameter hose is defined as which range?
• Fire Service Main Installation (Minimum 18 inches) is specified by which NFPA standard?
• A 1 1/4 inch hose tip yields approximately how many gallons per minute (gpm)?
• Which flow range best describes handline nozzles?
• What is the function of a pressure relief valve on a portable pump?
• AFFF is used for which types of fuels?
• Which components are typically included in NFPA 1901 apparatus configuration to support crosslays, pre-connects, and booster reels?
• Which of the following is not a factor contributing to friction loss in fire hoses?
• Class C hydrants typically have a flow rate of what?
• During pump operation, which gauges should be monitored to ensure performance?
• Identify major components of a typical pumper pump panel.
• What is the psi requirement for a ladder pipe base?
• Which strainer is used for deep water where the strainer will not contact the bottom?
• Which NFPA standard defines Driver/Operator Requirements (JPRs)?
• Which statement about fog nozzles is consistent with the material?
• Which nozzle type is used to create a fog pattern and can be shaped by rotating the nozzle?
• In chemistry, a solvent is defined as?
• Which statement correctly describes a two-stage centrifugal pump?
• Which of the following is an example of pump-and-roll operating parameter?
• What best defines foam in firefighting foam applications?
• What does priming the pump involve?
• AR-FFFP is used for fuels due to the polymer; which fuels are targeted?
• How does engine speed influence pump output and discharge pressure?
• Which NFPA standard addresses a Comprehensive Health and Safety Program for Firefighters?
• Turbidity measures what?
• What is the function of a PTO (Power Take-Off) on a fire apparatus and what must operators monitor?
• An increaser is used to connect a larger diameter hose to a smaller outlet. Which option best reflects this statement?
• Which statement best describes the typical uses of front versus rear intake/discharge on a pumper?
• Which sequence correctly describes starting and priming a portable relay pump?
• Which nozzle category is designed for the highest flows (exceeding 350 gpm)?
• What is the role of water additive in firefighting?
• In foam history, which type originated in the 1800s?
• What is the purpose of the Climavent source capture exhaust system?
• Which of the following describes water hammer and a method to prevent it during valve operation?
• How does a centrifugal pump primarily move water?
• What does a Siamese fitting do?
• Which of the following is NOT a pre-operation check on the pump panel before deployment?
• Which statement identifies NOT part of the Fire Apparatus Engineer's primary responsibilities at a fire scene?
• What is the characteristic of a smooth bore nozzle?
• What is the primary purpose of a deck gun and what are the steps to secure it after use?
• The largest amount of water a fire pump can deliver occurs at which pressure range?
• What are the components of foam?
• Which foam concentrate is described as suitable for hydrocarbon fuels/flammable liquids?
• What is the function of a voltmeter on the fire apparatus?
• In a basic two-pump relay pumping setup, which arrangement describes the roles of the two engines?
• Why is valve sequencing important when starting and stopping pump operations?
• What color is a Class C hydrant?
• What is recommended when backing up a fire apparatus?
• Draft is defined as what?
• High expansion foam expansion range is
• A low volume nozzle typical flow is less than how many gallons per minute?
• What is the storage capacity specified for 5 Quint equipment?
• What is the role of surfactants in foam solutions?
• Under NFPA 1900 engine requirements, how many cubic feet of hose are required?
• In pumping operations, what should engine speed be coordinated with to achieve the desired GPM?
• What is the psi for a sprinkler system?
• Which nozzle type provides longer reach and penetration for knockdown of a fire?
• Which statement best describes booster reels on NFPA 1901 apparatus?
• AR-AFFF is used for which fuels?
• How does elevation between the intake and discharge affect system pressures and GPM?
• NFPA 18 addresses which foam component?
• What are typical hydrant operation symptoms indicating a clogged hydrant or supply issue?
• GIS in firefighting refers to what?
• Which statement accurately describes pump performance ratings?
• High expansion foam is good for which environment?
• Which NFPA standard defines the functions and components of an apparatus (Rig Design)?
• NFPA 1225 relates to which facility type?
• Specific heat capacity is defined as what?
• What is the nozzle pressure (NP) for a fog nozzle as listed?
• Which statement correctly describes the roles of attack lines and supply lines?
• For non-polar solvents, FFFP uses which type of surfactants?
• Which of the following is NOT a typical consideration when engaging a PTO on a fire apparatus?
• During priming of a portable relay pump, which observation indicates the suction line is charged?
• What is the first step in the inspection process?
• Which of the following best describes key steps for safe drafting from a reservoir or pond?
• What is the pump rating for Foam Apparatus NFPA 1900?
• Class AA hydrants are what color and have what minimum GPM?
• What is the minimum pump capability for a fire apparatus?
• On what slope should the parking brake test be performed?
• Water is commonly referred to as what?
• NFPA 1960 relates to what on a fire apparatus?
• Under NFPA 1900 engine requirements, what is the minimum tank capacity?
• What is the term for a liquid firefighting agent that is added to water to make a solution?
• Foam's density relative to fuels is:
• NFPA 1910 is the standard for which topic?
• Which step is part of the 5-inch supply hose charging procedure?
• What is the role of a suction strainer, and how should it be positioned relative to the water surface?
• What is the stated pressure drop per 1,000 feet of elevation gain?
• What is the minimum tank capacity for Foam Apparatus under NFPA 1900?
• During charging a 5-inch supply hose, why is pressure monitoring essential?
• Which statement about AFFF usage is true?
• In a split-shaft pump transmission, what happens when the pump is engaged?
• What does the term 'pump and roll' describe?
• Which foam system uses a membrane to protect foam from contact with polar fuels?
• Which gauge reading monitors suction performance during pumping?
• Describe the correct procedure to connect and charge a 5-inch supply hose from a hydrant to the pump intake.
• What psi is required for a foam eductor?
• What is the role of the foam concentrate in the foam solution?
• What action is required if a discharge valve leaks during a pump test?
• What is the typical diameter range for medium diameter hose?
• Which description matches a fog stream or combination nozzle?
• What defines a master stream and when is it typically deployed?
• When multiple engines are present at an incident, how should you determine the water supply strategy?
• What are the three expansion rate categories for foam described in NFPA standards?
• What is the friction loss for 1.5 inch hose at 100 gpm per 100 ft?
• What is the minimum storage capacity for Special Service Apparatus under NFPA 1900?
• Which strainer is used to clean shallow water sources, usually portable tanks?
• Which foam type is fluoroprotein, listed as the 1970s development and alcohol resistant?
• Who coordinates water supply strategy at a multi-engine incident?
• Which statement best describes a deck gun versus a fixed monitor in terms of mounting and typical use?
• Which NFPA standard covers the Fire Service Vehicle Operations Training Program?
• Residual pressure is defined as which of the following?
• Which size corresponds to 250 gpm for smooth bore nozzles?
• Which items are typically included in a pre-trip apparatus inspection?
• Master stream nozzles deliver more than how many gpm?
• Which of the following best represents the common discharge outlet sizes on a modern engine pump panel?
• What does a primer do on a portable pump, and why is it important?
• What steps define an NFPA-compliant pump discharge pressure test?
• Which strainer is designed to operate below surface scum and above weeds, dirt, and silt, ideal when depth is unknown?
• Which statement correctly defines static suction pressure and dynamic suction pressure?
• What is the primary purpose of monitoring discharge pressure during pumping?
• Which component on a pumper pump panel is used to regulate pump speed?
• Which of the following factors determine the nozzle pressure selected for an attack line?
• Which NFPA standard covers Fire Hydrant Testing?
• A 2 inch nozzle yields approximately how many gpm?
• What confirms that foam proportioner ratio settings are correct during testing?
• What is the friction loss mnemonic for 3 inch hose?
• Under NFPA 1900 engine requirements, what is the minimum pump capacity?
• The phrase parallel/volume or series/pressure mode describes what aspect of pump operation?
• Name common causes of discharge flow restrictions and how to address them.
• Relay pumping limits require another pumper if discharge pressure from a source will exceed what value to leave an excess residual pressure of 20 psi?
• What is the primary responsibility of a Fire Apparatus Engineer at a fire scene?
• For 1.75 inch hose, what is the friction loss at 150 gpm?
• What is the role of the adjustable throttle on a pump and how should it be used?
• What is a primary function of an emulsifying agent in foam formulations?
• Low expansion foam expansion ratio is
• Where should the gauge tip be placed when testing the hydrant stream?
• A 1 1/2 inch nozzle yields approximately how many gpm?
• What ingredients are included in FP foam concentrates?
• Which of the following is a routine maintenance task to prevent cavitation in a pump?
• NFPA 11 pertains to which foam category?
• Which statement about AR-AFFF is true?
• Flow pressure, or velocity pressure, refers to which measurement?
• What is the nozzle pressure used for a Master Stream?
• Which statement correctly describes the climavent system in relation to bay air safety?
• What is a common consequence of suction leaks in drafting?
• Which action is part of a thorough pre-trip check to verify fluids are at safe levels?
• Which items are associated with electrical safety in a pre-trip inspection?
• Centrifugal pumps are designed to pump which type of fluid?
• Under NFPA 1900 Initial Attack Apparatus Requirements, how many cubic feet of storage are required?
• During apparatus inspection, what is the recommended initial action before other checks?
• Which timeframe is associated with the phrase "Within 24 hrs of response" in the material?
• What is the primary consequence of cavitation in a pump?
• Which steps are included in inspecting and testing a foam proportioner system?
• What documents and records should be maintained to comply with NFPA 1911 on a Fire Apparatus Engineer basis?
• What does a Wye fitting accomplish in hose configurations?
• Which statement defines friction loss in fire hose and lists the main factors that contribute to it?
• In a Wye vs Siamese comparison, which statement is correct?
• Which of the following describes common indicators that water supply is insufficient during pumping?
• What is the volute in a centrifugal pump?
• Which description best matches a volute?