D/O Pumper Key Terms Flashcards
Specially designed apparatus that combines the functions of both a rescue vehicle and a fire department pumper.
Rescue Pumper
Generic term used to describe a high-energy foam-generation system consisting of a water pump, a foam proportioning system, and an air compressor that injects air into the foam solution before it enters a hoseline.
Compressed Air Foam System (CAFS)
Fire apparatus whose primary purpose is to initiate a fire attack on structural and wildland fires and support associated fire department actions. Also known as Midi-Pumper or Mini-pumper
Initial Attack Fire Apparatus
Small fire apparatus mounted on a pickup-truck-sized chassis, usually with a pump having a rated capacity less than 500 gpm. Its primary advantage is speed and mobility, which enables it to respond to fires more rapidly than larger apparatus.
Mini-Pumper
Apparatus sized between a mini-pumper and a full- sized fire department pumper, usually with a gross vehicle weight of 12,000 pounds or greater. the midi-pumper has a fire pump with a rated capacity generally not greater than 1,000 gpm.
Midi-Pumper
Mobile water supply apparatus have two basic functions on the fireground. Water tender and…
Nurse tender
Vessel or watercraft designed and constructed for the purpose of fighting fires; provides a specified level of pumping capacity and personnel for the extinguishing of fires in the marine environment. Also known as Marine Unit.
Fireboat
Apparatus that serves as an engine and as a ladder truck; equipped with a fire pump, water tank, ground ladders, hose bed, and aerial device.
Quint
keeping equipment or apparatus in a state of usefulness or readiness
Maintenance
To restore or put together something that has become inoperable or out of place.
Repair
A driver’s license that is issued to individuals who demonstrate competence inspecting and driving vehicles with a Gross Vehicle Rating of 26,001 pounds or more.
Commercial Drivers License (CDL)
An inspection method in which the driver or inspector starts at one point of the apparatus and continues in either a clockwise or counterclockwise direction inspection the entire apparatus.
Circle or Walk-Around Method
Inspecting an apparatus and equipment on the apparatus to ensure that all equipment is in place, clean, and ready for service.
Operational Readiness Inspection
A visual inspection of an apparatus to ensure the major components of the chassis are present and in proper working condition.
Pretrip Road Worthiness Inspection
An inspection where a certain system or component of an apparatus is operated to ensure that it is functioning.
Functional Check
Two types of inspections are actually conducted during a walk-around inspection: the __________ ___________ ________ and the _______ _______
Operational readiness inspection and the pretrip road worthiness inspection
When approaching a vehicle to be inspected D/O should observe:
- Any problems that may be readily apparent from a distance.
-The terrain on which the vehicle is parking.
-Vehicle fluid leaks
Gross Axle Weight Rating
GAWR the maximum amount of weight that an axle system an safely carry.
Load management system
An electrical monitoring system that will shed electrical load in a predetermined order if the chassis voltage begins to drop below a predetermined level.
Overload
Operation of equipment or a conductor in excess of its rated ampacity; continuous overload may result in overheating that damages the equipment.
Load Sequencer
device in an electrical system that turns lights on at specified intervals, so that the start-up load for all of the devices does not occur at the same time.
Load Monitor
Device that “watches” an electrical system for added loads that may threaten to overload the system.
Load Shedding
When an overload condition occurs, the load monitor will shut down less important electrical equipment to prevent overload.
Manual Shift Transmission
A component of the power train that receives torque from the engine and converts it to rotation to the wheels. A clutch is used to disengage the transmission from the engine to allow the apparatus to start, stop, or change gears to maximize engine performance
Free Play
Amount of travel the clutch has before it begins to disengage the engine from the transmission.
Throw-Out Bearing
The component used to push on the internal clutch fingers connected to the clutch pedal and when activated, disengages the clutch from the engine.
Steering Wheel Play
in a steering system, the amount of travel between turning the wheel and when the steering system moves.
A braking system that uses a fluid in a closed system to pressurize wheel cylinders when activated.
Hydraulic Braking System
An electronic system that monitors wheel spin. When braking and a wheel are sensed to begin locking up, the brake on that wheel is temporarily released to prevent skidding.
Antilock Braking System
A braking system that uses compressed air to hold off a spring brake (parking brake) and applies air pressure to a service brake for vehicle stopping.
Air-Actuated Braking System
A series of tests used to ensure the serviceability of an air braking system. Tests include air loss, air compressor buildup, air warning, and emergency parking brake activation.
Air Brake Test
A truck that uses a cab that lowers over the power train.
Tilt Cab
A device designed to remove diesel particulate matter soot from the exhaust gas of a diesel engine.
Diesel Particulate Filter
Applying grease and other lubricants to specific parts of a chassis to reduce wear, noise, and binding.
Chassis Lubrication
A specific inspecting to an area of a chassis or apparatus to ensure that the unit is operation properly in accordance with the manufacturer’s initial design.
Post-Maintenance/Repair Inspection
An act of proceeding to do something with a conscious awareness of danger, while ignoring any potential consequences of so doing. Reckless disregard, while not necessarily suggesting intent to cause harm, is a harsher condition than ordinary negligence.
Reckless Disregard
Breach of duty in which a person or organization fails to perform at the standard required by law, or that would be expected by a reasonable person under similar cricumstances.
Negligence
Willful and wanton disregard
Gross Negligence
D/O drive with ___ ________ for the safety of others using the highways. State vehicle codes provide and give special privileges to the operators or emergency vehicles; however, this does not relieve the operator from the duty and responsibility to drive with _____ _______ for the safety of others.
Due Regard
Perception of one’s surrounding environment and the ability to anticipate future events.
Situational Awareness
Loss of braking function which occurs due to excessive use of the brakes.
Brake Fade
(1) Force that tends to create a rotational or twisting motion. (2) Measurement of engine shaft output. (3) force that produces or tends to produce a twisting or rotational action.
Torque
Device used to measure the amount of foam concentrate in the solution; operates on the principle of measuring the velocity of light that travels through the foam solution.
Refractometer
Instrument that indicates the rotational speed of a shaft in revolutions per minute; usually used to indicate engine speed.
Tachometer
Testing method that uses water under pressure to check the integrity of pressure vessels.
Hydrostatic Test
Procedure used to determine the rate of water flow available for fire fighting at various points within the distribution system.
Fire Flow Testing
Preservice test on fire apparatus or equipment, performed at the factory or after delivery, to assure the purchaser that the apparatus or equipment meets bid specifications.
Acceptance Testing
Written list of expected capabilities for new apparatus. The list is produced by the purchaser and presented to the manufacturer as a guide for what is expected.
Perfomance Requirements
Preservice apparatus maneuverability test designed to determine the road-worthiness of a new vehicle.
Road Test
Foam produced by a physical agitation of a mixture of foam concentrate, water, and air.
Mechanical Foam
Mixing of water with an appropriate amount of foam concentrate in order to form a foam solution.
Proportioning
Introduction of air into a foam solution to create bubbles that result in finished foam.
Aeration
Process used to mix foam concentrate with water in a nozzle or proportioner; concentrate is drawn into the water stream by the Venturi Method
Eduction
(1) Raw chemical compound solution that is mixed with water and air to produce finished foam; may be protein, synthetic, aqueous film forming, high expansion, or alcohol types. (2) Raw foam liquid as it rests in its storage container before the introduction of water and air.
Foam Concentrate
Device that injects the correct amount of foam concentrate into the water stream to make the foam solution.
Foam Proportioner
(1) The result of mixing the appropriate amount of foam concentrate with water; foam solution exists between the proportioner and the nozzle or aerating device that adds air to create finished foam. (2) The mixture of foam concentrate and water before the introduction of air.
Foam Solution
An extinguishing agent formed by mixing a foam concentrate with water and aerating the solution for expansion; for use on Class A and Class B fires. Foam may be protein, Fluoroprotein, film forming fluoroprotein, synthetic, aqueous film forming, high expansion, alcohol type, or alcohol resistant type.
Foam
A petroleum-based organic compound that contains only hydrogen and carbon.
Hydrocarbon Fuel
Liquid having a molecule where the positive and negative charges are permanently separated, resulting in their ability to ionize in solution and create electrical conductivity. Water, alcohol, and sulfuric acid are examples of ________ ____________.
Polar Solvents
Materials that are capable of being mixed in all proportions.
Miscible
Class B fuels are divided into two categories:
Hydrocarbons and Polar solvents
Crude oil, Fuel oil, gasoline, benzene, and kerosene are types of _______. they are _________ based and have a specific gravity of?
Hydrocarbon fuels
petroleum
less than 1( will float on water)
(1) Portable proportioning device that injects a liquid, such as foam concentrate, into the water flowing through a hoseline or pipe. (2) Venturi device that uses water pressure to draw foam concentrate into a water stream for mixing; also enables a pump to draw water from an auxiliary source.
Eductor
Solid of flexible tube used to transfer foam concentrate from a storage container to the inline eductor or proportioner.
Pickup Tube
(1) Method of proportioning foam that uses an external pump or head pressure to force foam concentrate into the fire stream at the correct ration for the flow desire. (2) Process of taking in materials through a puncture or break in the skin.
Injection
Production of foam solution by adding an appropriate amount of foam concentrate to a water tank before application; the resulting solution must be used or discarded following the incident.
Batch Mixing
Foam specially designed for use on Class A combustibles. Class A foams, hydrocarbon-based surfactants are essentially wetting agents that reduce the surface tension of water and allow it to soak into combustible materials more easily than plain water. Class A foams are becoming increasingly popular for use in wildland and structural fire fighting.
Class A Foam Concentrate
Chemical that lowers the surface tension of a liquid; allows water to spread more rapidly over the surface of Class A fuels and penetrate organic fuels.
Surfactant
Minimum amount of foam solution that must be applied to an unignited fire, spill, or spill fire to either control vapor emission r extinguish the fire; measured per minute per square foot (or square meter) of area to be covered.
Application rate
Foam fire-suppression agent designed for use on ignited or un-ignited Class B flammable or combustible liquids. Also known as?
Class B Foam Concentrate
Specifications developed by the U.S. Department of Defense (DoD) for the purchase of materials and equipment.
Military Specifications (Mil-Specs)
Form provided by the manufacturer and blender of chemicals that contains information about chemical composition, physical and chemical properties, health and safety hazards, emergency response procedures, and waste disposal procedures of a specified material. Formerly know as Material Safety Data Sheet (MSDS).
Safety Data Sheet (SDS)
Foam concentrate that consists of a protein hydrolysate plus additives to prevent the concentrate from freezing, prevent corrosion equipment and containers, prevent bacterial decomposition of the concentrate during storage, and control viscosity.
Protein Foam Concentrate
To cause or undergo a chemical process of decomposition involving the splitting of a bond and the addition of the element of water.
Hydrolyze
Ability of a foam blanket to resist direct flame impingement such as would be evident in a partially extinguished petroleum fire.
Burnback Resistance
Hose stream that stays together as a solid mass, as opposed to a fog or spray stream; a solid stream is produced be a smooth bore nozzle and should not be confused with a straight stream.
Solid Fire Stream
Water stream of finely divided particles used for fire control.
Fog Stream
Nozzle with and angled, case-hardened steel tip that can be driven through a wall, roof, or ceiling to extinguish hidden fire. Also known as Piercing Applicator Nozzle, puncture Nozzle, or Penetrating Nozzle.
Piercing Nozzle
Counterforce directed against a person holding a nozzle or a device holding a nozzle by the velocity of water being discharged.
Nozzle Reaction
Act of preparing to manage an incident at a particular location or a particular type of incident before an incident occurs.
Preincident Planning
Ongoing evaluation of influential factors at the scene of an incident.
Size Up
Person in charge of the Incident Command System and responsible for the management of all incident operations during an emergency.
Incident Commander
Point at which the fire department can connect into a sprinkler or standpipe system to boost the water pressure. this connection consists of a clappered siamese with two or more 21/2 inch intakes or one large-diameter in-take (4in or larger).
Fire Department Connection
To shuttle water between a source and an emergency scene using mobile water supply apparatus
Relay
Process of acquiring water from a static source and transferring it into a pump that is above the source’s level; atmospheric pressure on the water surface forces the water into the pump where a partial vacuum was created.
Drafting
Supply of water at rest that does not provide a pressure head for fire suppression but may be employed as a suction source for fire pumps; for example, water in a reservoir, pond, or cistern.
Static Water Supply
pg.141
Permanently installed pipe that has pumper suction connections installed at static water sources to speed drafting operations.
Dry Hydrant
Hose used to connect a fire department pumper or a portable pump to a nearby water source; may be soft sleeve or hard suction hose.
Intake Hose
Operation where a strong hydrant is used to supply two pumpers by connecting the pumpers intake-to-intake. The second pumper receives the excess water not being pumped by the first pumper, which is directly connected to the water supply source.
Dual Pumping Operation
Short relay operation in which the pumper taking water from the supply source pumps into the intake of the second pumper; the second pumper then boosts the pressure of the water even higher. This method is used when pressures higher that the capabilities of a single pump are required.
Tandem Pumping
Point from which a fire line is begun; usually a natural or man-made barrier that prevents fire spread and the possibility of the crew being “flanked” while construction the fire line. Examples include lakes, ponds. streams, roads, earlier burns, rockslides, and cliffs.
Anchor point
Force per unit area exerted by a liquid or gas measured in pounds per square inch or kilopascals.
Pressure
Simple measure of weight, usually expressed in pounds or kilograms
Force
