Chpt 11 Flashcards
This includes the water in the apparatus mounted water tank. This supply has a limited amount of water and must be supplemented by another source before it runs out
Internal water source
This includes water from a hydrant or another pump
Pressurize source
The most common pressurized source is the
Hydrant
This includes water sources such as a lake, stream, pool, or water tank.
Static source
The driver operator must be capable of transferring water from an internal water tank supply to an external source, a practice referred to as a
Changeover operation
When approaching the scene, you as a driver operator should position the fire apparatus according to your fire department policies and procedures and turn the front wheels toward the curb on a
45 degree angle
Newer fire apparatus have features that automatically change emergency lighting to ______ this is a feature that you would use when operating at the scene of the emergency
On scene mode
When you are content with placement of the fire apparatus, the first procedure that you must perform is placing the transmission into ____, based on the fire apparatus
Neutral or park
Once the pump is engaged, your first task upon existing the of the fire apparatus is to _____ the wheels of the fire apparatus
Chock
Once the fire pump is engaged, the driver/operator is ready to supply the attack lines for firefighting operations using the _____ as a water supply
Internal water tank
Usually the _____ is used only to fight small fires, such as vehicle fires, dumpster fires, small brush fires, and other nuisance fires and also to start the initial fire attack until a large water source can be obtained
Internal water tank
Are standard methods of working with fire hose to accomplish different objectives in a variety of situations
Fire hose evolutions
Involve laying hoselines and making connections between a water supply source and an attack pumper
Supply line operations
Involve advancing hose lines from an attack pumper to apply water onto the fire
Attack line operations
The objective of laying a _____ is to deliver water from a hydrant or an alternative water source to an attack pumper
Supply line
A _____ starts at the hydrant and proceeds toward the fire in this case the hose is laid in the same direction as the water flows from the hydrant to the fire
Forward lay
Involves laying the hose from the fire to the hydrant with this evolution the hose is laid in the opposite direction to the water flow
Reverse lay
The ____ is most often used by the first arriving engine company at the scene of the fire
Forward hose lay
The _____ allows the engine company to establish a water supply without the assistance from an additional company
Forward hose lay
Some departments use a ______ to connect the supply line to the hydrant, thereby ensuring that the supply line can be charged with water immediately, yet still allowing for a supply engine to connect to the line later.
Four way hydrant valve
This operation can be accomplished without uncoupling any lines or interrupting the flow.
Four way hydrant
In the ____ the hose is laid from the fire to the hydrant, in the direction opposite to the flow of water
Reverse hose lay
The _____ may be a standard tactic in areas where sufficient hydrants are available and additional companies that can assist in establishing a water supply will arrive quickly
Reverse hose lay
Is performed by two engine companies in situations where hose must be laid in two different directions to establish a water supply
Split hose lay
This evolution could be used when the attack pumper must approach a fire either along a dead end street with no hydrant or down a long drive way
Split hose lay
As a driver operator securing a _____ upon your crews arrival on the scene is one of your primary responsibilities
Water source
In this kind of ____, you position the engine close to the fire scene and deploy the supply hose from the bed of the fire apparatus to the hydrant either yourself or with very little assistance from other fire fighters
Hand lay
If you use LDH in your fire department, it is common practice to carry short lengths of LDH for the purpose of making a connection between the fire apparatus intake and the hydrant. These lengths of hose generally range from 15 to 25 ft and have names such as _________
Soft suction hose or pony lines
If you carry LDH, it is most often available in _____ lengths
100ft
If you anticipate that additional water may be needed, place an appliance such as a _____ on the dry barrel hydrant prior to opening the hydrant
Gated ball valve
Are used to provide a water supply for attack lines that will be operated inside a building
Standpipe systems
The pressure requirements for standpipe systems depend on the _____ at which the water will be used inside the building
Height
Unless more specific information is available, sprinkler systems should generally be fed at a pressure of
150 psi
Due to certain building characteristics within a response area as well as the height and construction materials used in the building, _______ may be present in a fire building
Private fire protection systems
The fire department connection can be either _______
Free standing or wall mounted
Each female connection should have a ______ inside the Siamese connection that will swing to the closed position on the connection that is not in use.
Clapper valve
Depending on the fire departments SOP, it is generally recommended that both or all connections to the FDC be used when supplying a
Standpipe
A ______has water under pressure in the pipe at all times it is typically supplied by the water utility department having jurisdiction
Wet system
In contrast, a ______ has no water in the pipe and depends on the fire department to supply the water
Dry system
During a __________, you switch from the onboard water tank supply to an external water source
Changeover operation
At the beginning of the changeover, keep your eyes on the pressure gauge for the line that the attack crew is using,the goal is ensure the fluctuation does not exceed _____
10psi
When positioned at the scene of an incident and operating emergency lights or other electrical appliances, is is advisable to engage the high idle switch, which sets the apparatus engine to ______
900 to 1100 rpm
The ________ therefore, is designed to protect the electrical system from needless damage while maintaining the operation of essential devices
Automatic load management system
Is a component that will activate electrical loads in a specific order to prevent overloading the electrical system
Load sequencer
A component designed to prevent any additional electrical loads from exceeding the systems capabilities
Load monitor
Deactivates unnecessary electrical loads in order of necessity and to prevent damage to the system
Load shedding
The most common power source for fire apparatus is the _____
Generator
This type of generator is the smallest of the three options
Portable generators
Portable generators can produce up to ___ of power and come in a variety of sizes
6000 Watts
This type of generators permanently mounted on the apparatus and has a motor separate from the vehicle that drives it
Apparatus mounted generator
This type of generator is powered by the vehicles motor and is driven by a power take off PTO system
Transmission driven generator
Project a narrow concentrated beam of light
Spotlights
Project a more diffuse light over a wide area
Floodlights
May provide lights ranging from an 8watt spotlight to a 20 watt flood beam
Lanterns
These lights usually range from 300 to 1500 watts and can use several types of bulbs, including quartz, and halogen bulbs
Portable lights
Can be taken into buildings to illuminate the interior or set up outside to light up the emergency scene
Portable lights
Floodlights or spotlights may be attached to the exterior of the apparatus
Apparatus mounted lights
The tower lights extended height above the apparatus is usually not more than ______
15 ft
Multiple 1500 watt halogen lamps are usually mounted at the top and may provide for 360 degree rotation with tilt capabilities
Tower lights
The most common size of electrical cord is a
12 gauge 3 wire type
Is a device that attaches to an electrical cord to provide additional outlets
Junction box
A small light is attached to the top of the _____ to ensure it has power and the crew can locate it in the dark
Junction box
When the electrical equipment is required at a location that is a considerable distance from the apparatus or if the equipment operates on 220 volts, a larger cord is needed. For these situations most departments equip their apparatus with an ______
Electric cord reel
The reel holds _____ of electrical cord and is sized to the load and circuit breaker rating
100 - 200 feet
The connectors and plugs used for fire department electrical equipment may have special connectors that attach with a slight ____
Clock wise twist
Is a tool that receives power from the power unit component and generates energy to perform one or more of the following functions, spreading, lifting, holding, crushing, pulling, or cutting
Power rescue tool
Is a prime mover and principal output device used to power the rescue tool
Power unit
Is the container that stores the hydraulic fluid until it is needed in the system
Hydraulic reservoir
The fluid used in hydraulic rescue tools can be phosphate ester, ethylene glycol, automatic transmission fluid oil, or ___________; the last option is the most common
Mineral based hydraulic oil
The power units for power rescue tools are usually
Machined powered
A______ is a powered rescue tool that has at least one movable arm that opens to move material
Spreader or spreaders
A _____ is a powered recuse tool with at least one movable blade that is used to cut, shear, or sever material
Cutter
A _____ is a powered rescue tool capable of at least spreading and cutting
Combination tool
An ____ is a powered rescue tool with a piston or other type extender that generates extending forces or both extending and retracting forces
Extension rams
All fire apparatus are operated in two basic ways:
In driving operations and in onscene operations
As a driver operator securing a ______ upon arrival on scene is one of your primary responsibilities.
Water source
While on the fireground you will operate the fire pump from one of three different water sources
Internal water tank
Pressurized source
Static source
The next step to be completed prior to exiting the cab is to change the fire apparatus transmission from the road position to the
Pump position
Next place the apparatus transmission into drive, which allows the motor to power the pump instead of the _______ of the fire apparatus
Drive train
In conjunction with this okay to pump light, you should hear the revolutions per minute of the fire apparatus increase slightly and depending on the apparatus you may see a reading of ______ on the speedometer
10 to 15 Mphs
Next you need to circulate water into the pump. Walk to the pump panel on the fire apparatus and open the _____ valve
Tank to pump
This valve allows water to flow from the pump back into the onboard tank; it is basically a small discharge that directs water only back inside the onboard water tank.
Tank refill valve
Hose evolutions are divided into
Supply line operations and attack line operations
It is the drivers responsibility to secure a _____ upon arrival on the scene
Water source
When MDH is used and the beds are arranged to lay dual lines, a company can lay ______ from the hydrant to the fire.
Two parallel lines
A 5 inch hose can supply 700 gpm over a distance of 500 ft and lose only about ______ of pressure due to friction loss
20-25 psi
This evolution can be used when the attack pumper arrives at the fire scene without a supply line. It is also used to supply the attack pumper directly through the hydrant.
Reverse hose lay
If your crew is the first engine on scene, the fire officer may decide to forgo laying a supply line and proceed straight into the scene. This tactic is commonly used when the second due engine is immediately
Behind the first due engine
Prior to opening the first discharge valve and charging the attack line, remember to close the
Tank fill valve
The _____ can be either freestanding or wall mounted
Fire department connection
It generally consists of a Siamese connection with two 2 1/2 inch female connections.
Fire department connection
If the exterior FDC connection is damaged such that a connection to it is impossible, an accepted practice is to hook up to the _________ discharge on the first floor of the building
Stand pipe
As the driver operator you need to constantly supply the attack lines with the correct pressure to ensure a safe operation. Two devices that will assist you in this task are _______
Pressure relief valve and pressure governor
This type of hand light projects a powerful beam of light and is easily maneuvered on any emergency scene
Lantern
This size cord works well for most 110 volt powered equipment and is usually stored on the apparatus in lengths of 50 and 100 ft
12 garage 3 wire type
When multiple cords are necessary, a ______ may be used
Junction box
Are usually powered with a 12 volt rewind motor
Electrical reels
The _______ generally consists of a reservoir, fluid, a power unit, an enclosed system and an actuator used to operate a rescue tool.
Power rescue tool system
An _____ converts the fluid pressure in a hydraulic rescue tool system into a mechanical force
Actuator
