ECE Flashcards
Tactical and Safety Considerations
Due to limited access to entrance, lobbies, and courtyards, the engine may need to park _______
_______________ from the location.
well removed.
pg. 11
In tight complexes it may be necassry to park outside, leaving the closest acces for the ___________ ____________.
rescue unit
pg. 11
Multi-story Structure
Engine placement is the same as single-story structures, but the engine should be placed to leave the building _____________ __________.
corners open
pg. 13
Leaving the building corners open permits the ladder company to place the turntable in a position to reach ________ ________ of the structure
two sides
pg. 13
Tactical and Safety Considerations
Do not park under power lines.
true or false?
True.
pg. 13
Tactical and Safety Considerations
Do not park too close to involved structures.
true or false?
true
pg. 13
Leave the rear of ____ ________________ unobstructed to facilitate ground ladder and tool access.
all apparatus
pg. 13
Tactical and Safety Considerations
Newer engines need ___________ of space on the officer’s side to lower the ladder rack
5 feet
pg. 13
Tactical and Safety Considerations
contact ________ prior to attempting removal of any engine that has become stuck.
TSF
pg. 13
Tactical and Safety Considerations
Do not drive on private driveways or on private bridges except during emergency response.
true or false?
true
pg. 13
When backing, use a spotter on the engineer’s side, _________ feet from the tailboard.
5-10
pg. 14
The engineer and the spotter must maintain
_______ ______________ and the apparatus stopped when the spotter is no longer in view.
eye contact
pg. 14
The main sizes range from _____ to ______ in diameter and average _________ static pressure.
6” to 36”, 70 PSI
pg. 15
The communities _____________, ______________, and _____________ operate their own water utilities in the system parameters may differ somewhat from the majority of Jacksonville served by JEA
Atlantic Beach, Neptune Beach, Baldwin
pg. 15
Static sources include:
lakes, rivers, swimming pools, storage tanks, and retention ponds.
pg. 15
Portable tanker basins are also static sources.
true or false?
true
pg. 15
All City hydrants are equipped with a ____ inlet and are supplied by the water main system
6”
pg. 15
Dead end mains or loops, partially closed street valves, sediment build-up, and damaged mains can interfere with hydrant flow.
true or false?
true
pg. 15
City fire hydrants
Color ___________, Steamer ________,
Side outlets _______, Static Pressure _______,
Residential ___________, Commercial _________
Yellow 4 1/2 2 1/2 70 PSI 6" to 10" 8" to 36"
pg. 16
There are some older hydrants that do not have steamers connections. This may appear to be a handicap in terms of flow but a 2 1/2” discharge into 5” hose can still flow a ________ ________.
significant volume
pg. 16
If the steamer connection is damaged or not accessible one 2 1/2” connection can be utilized, or to maximize flow use ______ 2 1/2”discharge connections
both
pg. 16
Roadway Incidents
What is the primary consideration for engine placement.
Safety of the patient and responders
pg. 12
Roadway Incidents
Spills and leaks may require spotting __________ and ______________.
uphill, upwind
pg. 12
Roadway Incidents
If extrication is required, consider placement needs of the _________________ or ______________.
ladder truck, extrication engine
pg. 12
Single Story Structure
The first arriving engine ladder company should be spotted in front of the structure in __________
_____________.
most cases
pg. 12
Single Story Structure
Position the engine for placement of __________
___________ while leaving room in front of the structure for the ladder company.
attack lines
pg. 12.
Private Systems
The diameter of the backflow preventer is the same as the water main.
true or false?
true
pg. 16
Private Systems
High pressure systems may be located at high risk facilities (__________) that require immediate firefighting pressure but don’t have fire engines on site to boost pressure.
chemical or petroleum
pg. 16
Private Systems
At high risk facilities all pressure for firefighting is supplied within the private pump and main system.
true or false?
true
pg. 16
Private Systems
Commercial plants, schools, shopping centers, aircraft hangars, and apartment complexes may utilize a private water supply.
true or false?
true
pg. 16
Private Fire Hydrants (Industrial Facilities)
What is the color, thread sizes, and static pressure?
Red, steamer - 4 1/2”, side outlets - 2 1/2”, up to 180 PSI.
Private Fire Hydrants (Apartments and Business Complexes)
What is the color, thread sizes, static pressure, and supply mains?
Red, steamer - 4 1/2”, side outlets - 2 1/2”, 70 PSI, and 6” to 10”
pg.17
Private Hydrants
Private hydrants are typically red but may be yellow or another color.
true or false?
true
pg. 17
Private Hydrants
Some may utilize NFPA color codes which indicate the GPM flow. What color indicates a flow of less than 500 GPM.
Red
pg. 17
Private Hydrants
Some may utilize NFPA color codes which indicate the GPM flow. What color indicates a flow of 500 to 1000 GPM.
Orange
pg. 17
Private Hydrants
Some may utilize NFPA color codes which indicate the GPM flow. What color indicates a flow of 1000 to 1500 GPM.
Green
pg. 17
Private Hydrants
Some may utilize NFPA color codes which indicate the GPM flow. What color indicates a flow of greater than 1500 GPM.
Blue
pg. 17
Private Hydrants
Purple hydrants may be found on ______________ water mains.
reclaimed
pg. 18
Private Hydrants
Purple hydrants are for irrigation but may be used for firefighting in emergencies.
true or false?
false (not intended for firefighting use)
pg. 18
Sound barrier walls long limited access highways may incorporate access holes. (__________) to reach hydrants on nearby streets.
about 12”
pg. 18
Regardless of the number of hydrants on a private system the flow may not be _______________.
sufficient
pg. 18
The presence of dead end mains or dead end loops within the complex may require secondary methods to supply large volumes to water.
true or false?
true
pg. 18
Static Water Supply
If water from a __________ static source enters the booster tank and pump, both must be thoroughly flushed after use.
natural
pg. 18
Static Water Supply
Fire department pumps are equipped with a primer to reduce pressure inside the pump below _________________ pressure.
atmospheric
pg. 18
Booster Tank
The booster tank is also static supply and is located higher than the pump intake manifold to take advantage of ______________________.
head pressure
pg. 19
Booster Tank
Each JFRD engine has a __________ TANK-TO-PUMP valve.
3”
pg. 19
Booster Tank
Flow from the booster tank is limited to ________________ GPM on all JFRD engines.
700-800
pg. 19
Booster Tank
The size of the TANK-TO-PUMP valve and __________________ determines the flow from the booster tank.
head pressure
pg. 19
Booster Tank
Booster tanks shall be refilled from city hydrants and always from the nearest supply point.
true or false?
true
pg. 19
Booster Tank
Only refill booster tanks from private hydrants in emergencies.
true or false?
false (Do not refill from private hydrants)
pg. 19
Dry Hydrants
A dry hydrant consists of a pipe with threaded 4 1/2” steamer connection attached to a _____________________ supply.
static water
pg. 19
Dry Hydrants
The pipe is commonly PVC but could be _________________ or __________________.
cast iron, stainless steel
pg. 19
Dry Hydrants
These will be found near commercial structures
(__________________________) were city hydrants are not within reach.
usually at retention ponds
pg. 19
Dry Hydrant
Considerations before using a dry hydrant:
• Is the hydrant maintained by the property owner
▪ the strainer could be obstructed with sediment or vegetation
▪ PVC pipes are easily damaged by vehicles vandalism and prolong UV exposure
▪ if the cap is missing the pipe could contain trash
pg. 19
Dry Hydrant - considerations
The engineer should ensure the engine gain access to the hydrant often they are placed some distance from the road or parking lot.
true or false?
true
pg. 19
Dry Hydrant - considerations
The engineer should ensure there is sufficient water available. The water level in a retention pond fluctuates with rainfall.
true or false?
true
pg. 19
Hydrant and Main Locations
Hydrant inspections are recorded using the Safety File Maintenance database within __________, which list the hydrant location in inspection.
Fireweb
pg. 20
Hydrant and Main Locations
Hydrants are plotted on mapping software managed by __________, which displays hydrant and fire station locations
JEA
(https://maps.coj.net/hydrantproximity)
pg. 20
Hydrant and Main Locations
Water main locations and size along with associated infrastructure can be viewed at:
https://jaxgis.coj.net
(then select “Duval Maps”)
pg. 20
In simplest terms the modern fire pump has three primary sections:
- Intake manifold (lower half of pump body)
- Discharge manifold (upper half of pump body)
- Centrifugal pump assembly (including impeller(s))
pg. 21
JFRD engines are built by Pierce and are fitted with midship mounted __________________ centrifugal pumps.
Waterous
pg. 21
JFRD engines are either single-stage or two- stage and rated at ________, ___________, or ___________ GPM capacity.
1500, 1750, 2000
pg. 21
JFRD engines are powered by six-cylinder turbo- charged diesel motors manufactured by Caterpillar (C12 or c-13) or Cummings (ISL series).
true or false?
true
pg. 21
_________ can cause loss of prime and inhibit the ability of the pump the build pressure.
Air
pg. 22
A pressurized water supply to the pump can be distributed to the various discharges even with the pump disengaged.
true or false?
true
pg. 22
The Impeller has a ____________________design allowing water under pressure to pass through the impeller when the pump is not engaged in the impeller is stationary.
“flow-through”
pg. 22
Centrifugal pumps cannot pump air due to their __________ design
open
pg. 22
The impeller(s) will rotate continuously when the pump is engaged, even when hoselines are shut down.
true or false?
true
pg. 22
If equipped with two impellers (two-stage), they are mounted on separate shafts and rotate at the same speed (RPM).
true or false?
false. (they are mounted on a common shaft)
pg. 22
This _________________ prevents a continuous rise and discharge pressure but can create excessive heat within the pump.
“slippage”
pg. 22
The engineer must begin circulating water immediately after engaging the pump. Running the pump dry for more than a few minutes may cause excessive heat and pump damage.
true or false?
true
pg. 22
The pump shift control is a ____________ switch located in the cab at the engineer position
pneumatic
pg. 23
Pump Shift
There are 3 positions - _________, ____________
and ___________.
ROAD, NEUTRAL, PUMP
pg. 23
The pump shift controls a _________________ within the transfer case.
ring gear
pg. 23
The transfer case cannot engage both PUMP and ROAD simultaneously.
true or false?
true
pg. 23
Pump Shift
The ______________ position is used only in the event of a failure with the pump shift requiring the use of the manual shift control.
neutral
pg. 23
When shifting between ROAD and PUMP stop in the NEUTRAL position then to PUMP.
true or false?
false. (do not stop)
pg. 23
The impeller discharges water into the _______________, the chamber which directs the pressurized water into the discharge manifold.
volute
pg. 23
As motor speed (RPM) increases, the ______________ of the impeller(s) increases.
velocity
pg. 23
Pump Testing
Centrifugal pumps are tested by_________________ in accordance with ______________.
Underwriters Laboratories (UL), NFPA 1911
pg. 24
Pump Testing
The volume at 150 PSI is called the ____________
____________.
rated capacity
pg. 24
Pump Testing
The pump measures ____________ at three pressures while drafting.
volume
pg. 24
Pump Testing
A data plate is affixed to the pump panel with the results of the initial pump test.
true or false
true
pg. 24
Pump Testing
The data plate may also indicate the test _______ and __________________.
RPM, governed speed
pg. 24
Pump Testing
It is more important understand that centrifugal pumps have the ability to pump _______ than their rated capacity is supplied from a pressurized source.
more
pg. 24
Pump Stages
Centrifugal pumps can be single stage or two stage design.
true or false?
true
pg. 24
Pump Stages
A single stage has a single impeller, and is the ________________to build and operate.
simplest
pg. 24
Pump Stages
The two-stage pump has two impellers mounted on a common shaft.
true or false?
true
pg. 24
Two-Stage Pumps
A two-stage pump can operate in one of two settings -
pressure or volume
pg. 24
Two-Stage Pumps
In PRESSURE each impeller provides pressure in_____________.
series
pg. 24
Two-Stage Pumps,
In simplest terms where a single impeller can produce 60 PSI, two impellers operating in series can produce ____________ at the same RPM.
120 PSI
pg. 24
Two-Stage Pumps
Roughly 50% of the pressure is produced by each impeller.
true or false?
true
pg. 24
Two-Stage Pumps
In __________________, the supply is divided and water is routed to both impellers at the same time.
VOLUME
pg. 25
Two-Stage Pumps
The VOLUME position is also called ____________ and ____________.
parallel, capacity
pg. 25
The advantage of a two-stage design is the ability to operate in either setting - PRESSURE (series) for maximum pressure or VOLUME (parallel) for maximum volume.
true or false?
true
pg. 25
Two-Stage Pumps
Attempting to pump high volume in PRESSURE will not be successful.
true false?
true
pg. 25
Two-Stage Pumps
Attempting to pump high pressure and VOLUME will require excessive RPM.
true false?
true
pg. 25
Changing between the two settings is accomplished by the ________________ which must be fully engaged in either PRESSURE or VOLUME (there is no intermediate position).
transfer valve
pg. 25
Transfer Valve
Utilize a ______ socket and socket wrench
to change settings if the electronic valve fails.
3/4”
pg. 25
The transfer valve is ______________ driven but also has a manual override in case of electric switch failure.
electrically
pg. 25
The normal position of the transfer valve is ______________ which will produce maximum pump performance for the majority of pumping scenarios.
VOLUME
pg. 25
High pressure needs such as a high-rise fire would require changing to the ________________ setting.
PRESSURE
pg. 25
Transfer Valve CAUTION:
To minimize water hammer temporarily reduce RPMs to idle before operating the transfer valve.
true false?
true
pg. 25
If unable to lower pressure to idle, reduce ______________ pressure a safe amount and operate transfer valve slowly, allowing time for the governor to adjust.
discharge
pg. 25
When operating the transfer valve, do not sacrifice handlines already in use.
true or false?
true
pg. 25
Single-Stage Pumps
The main difference in operation from a two-stage pump is ___________ _____________.
motor speed
pg. 25
In most pumping situations there will be minimal difference in pump performance between a single-stage and two-stage pump.
true or false
true
pg. 25
To pump high pressures the single-stage pump requires higher ________.
RPM
pg. 25
A single-stage pump will operate much like a two-stage pump in VOLUME.
true or false?
true
pg. 25
The Engineer should anticipate the requirements of the fire operation and properly set the _________ ____________ as early as possible.
transfer valve
pg. 25
The intake side of a centrifugal pump is an open manifold directing water to the impeller(s).
True or false?
true
pg. 26
All intake connections share this common manifold. Due to this design there is only one ______________ _____________.
intake gauge
pg. 26
If the pump is being supplied by a hydrant at 70 PSI, the entire intake manifold is pressurized to ____________.
70 PSI
pg. 26
JFRD engines have _________ or ___________ intakes.
four, five
pg. 26
There are two ______ steamer intakes and two ______ auxillary intakes (often called “pony” intakes) on each engine.
6”, 2 1/2”
pg. 26
Some engines have an additional ______ intake on the front or rear with an electrically controlled valve.
5”
pg. 26
Each steamer intake has installed a piston intake valve (PIV) or ball intake valve (BIV).
True or false
true
pg. 26
Both types of intake valves incorporate a water control valve, a spring operated _____________
___________ ___________, a bleeder valve to bleed air from supply hose, and a 5” stortz adapter.
pressure relief valve
pg. 26
The newer BIV is less restrictive (allowing higher GPM) and is rated for drafting.
true or false?
true
pg. 26
The pump is protected by an intake pressure relief valve built into the pump, protecting the pump from ____________ __________ ___________.
excess intake pressure
pg. 26
The PIV/BIV also includes a pressure relief valve that can provide redundant pump protection but can also protect ___________ __________ from excess pressure when the intake valve is closed.
supply hose
pg. 26
Both the internal pressure relief valve and PIV/BIV are preset to _____________.
150 PSI
pg. 26
The diameter of the intake pipe is determined by the __________ ______________ of the pump.
rated capacity
pg. 27
All JFRD engines have ______ steamer intakes which allow the pump the draw the rated capacity at draft through one steamer intake (1500 GPM) or both steamer intakes (1750 and 2000 GPM).
6”
pg. 27
The front and rear intake pipes are 5” in diameter and because of the reduced diameter will flow less than the steamers (_________ GPM at draft, _________ GPM from a hydrant).
1000, 1500
pg. 27
The rear intake is not properly equipped for drafting but can be used to connect 5” hose where on-scene access precludes use of the steamer connections.
true or false?
true
pg. 27
Front intakes are capable of drafting and in some situations will be the _______________
intake for drafting.
preferred
pg. 27
E-7 and E-21 have one additional intake inside the tailboard compartment.
true or false?
true
pg. 27
E-7 and E-21’s additional intake is a DIRECT TANK FILL and is painted _________ to distinguish it from other connections.
red
pg. 27
E-7 and E-21 are equipped with foam proportioners, where the water from the foam solution is metered through the _______ _________
into the booster tank for more accurate finished foam.
red intake
pg. 27
On hazmat incidents the red intake may be the preferred connection for the hydrant or tanker supply line.
true or false?
true
pg. 27
Most intake and discharge valves are quarter-turn ball valves which can be operated directly or by remote control handle at the pump panel (commonly called “______ ____________”).
pull handles
pg. 27
These valves, when opened, can be turned _______________ to “lock” in position.
45 degrees
pg. 27
The valves should NOT be placed 45 dgrees in the “locked” position closed.
true or false?
true
pg. 27
Large diameter intakes and discharge use
____________________ valves controlled by a hand wheel or electronic control.
quarter-turn
pg. 27
Large diameter intakes and discharges valves, due to the large volumes they must be of the “_________________________” type to prevent water hammer.
slow-operating
pg. 27
The electric front and rear intake valve take ____________ seconds to fully open or fully close.
15-20
pg. 27
The electric front and rear intake valve may be held closed by hydrant pressure. Partially open the valve before charging supply line.
true or false?
true
pg. 27
The most commonly used valves are ___________________ and ___________________.
TANK TO PUMP, TANK FILL
pg. 28
The ___________________ valve allows booster tank water to be drawn into the pump to be pressurized and discharged.
TANK TO PUMP
pg. 28
If tank water is used and an ___________ __________ is later established, the engineer should refill the booster tank as soon as possible.
external supply
pg. 28
Once hoselines are properly set and there is enough residual pressure, open the _____________________ valve just enough to supply water to the tank without reducing residual pressure.
TANK FILL
pg. 28
When the water supply is from a source other than the booster tank the ____________________
valve must be closed.
TANK TO PUMP
pg. 28
Bleeder valves are installed at each intake and discharge connection to bleed incoming air (intake) or bleed water pressure when __________ ____ __________ (discharge).
taking up lines
pg. 28
Bleeding air from intake lines is critical to avoid loss of ______________.
prime
pg. 28
JFRD engines have a wide range of discharge options ranging from 1” booster line to a 4” LDH discharge.
true or false?
true
pg. 28
Each discharge valve has a corresponding discharge gauge, allowing the engineer to monitor and ______________ pressure to each individual discharge.
adjust
pg. 28
The _______________ ______________ gauge reads the discharge manifold pressure while the remote discharge gauges indicate pressure within that discharge piping and hose line only.
master discharge
pg. 28
Be sure to view the discharge gauge for the line charged when setting PDP.
true or false?
true
pg. 28
Each gauge is of the ___________________ type.
compound
pg. 28
Compound gauges have a pressure scale (_____) and a vacuum scale (___________________ or inHg).
PSI, inches of Mercury
pg. 28
The pressure scales reads from ______________ PSI, and the vacuum scale reads ___________
inches.
0-600, 0 to -30
pg. 28
While the pressure scale is graduated and easy to read, the vacuum scale is not.
true or false?
true
pg. 28
You can accurately measure vacuum at the pump panel.
true or false?
false (cannot)
pg. 28
The threaded plugs between the intake and discharge gauges are only used for ________
______________.
pump testing
pg. 28
A _______________ is required for a centrifugal pump due to the inability of the pump to move air.
primer
pg. 29
A small amount of air inside the pump can prevent a large volume of water from being pumped.
true or false?
true
pg. 29
Activating the primer will remove air from the pump and allow __________________ to increase.
pressure
pg. 29
Once air is removed, the pump is “____________”.
primed
pg. 29
The electric primer is a ____________ ___________
pump driven by a small electric motor, and activated by a pull handle on the pump panel.
rotary vane
pg. 29
Electric Primer
Unlike the centrifugal fire pump, the primer is a _____________ _____________________ pump which can pump air and water.
positive displacement
pg. 29
When the primer is activated it creates a vacuum with the fire pump, removing air so water can enter the pump.
true or false?
true
pg. 29
Newer engines utilize a ____________________ primer activated by pressing a button on the pump panel.
pneumatic
pg. 29
Pneumatic Primer
When activated, you will hear air being discharged from the pump.
true or false?
true
pg. 29
The pneumatic primer will prime the pump in the same manner as the electric primer and within the same time period.
true or false?
true
pg. 29
Engines with front intakes have two primers which should be operated independantly when utilizing the front intake.
true or false?
false. (simultaneously)
pg. 29
If your primer is inoperative there are three alternative methods for bleeding air from the pump.
true or false?
false (two methods)
- partially open deck gun discharge valve
- partially opening TANK FILL valve
pg. 29
When using either of the two alternate methods for bleeding air - these methods may prime the pump faster than using the primer alone.
true or false?
true
pg. 29
Small amounts of air can also be purged by partially opening the ________________ valve.
TANK FILL
pg. 29
Both types of priming pumps draw current from the vehicle charging system. Although you can safely operate the primer at any prssure or RPM, for best performance set the RPM between ________.
1000-1200
pg. 30
There are four motor functions to be monitored while pumping:
- coolant temperature
- oil pressure
- transmission temperature
- voltage
pg. 30
Motor Function Gauges
These gauges are located on the pump panel and are redundant of ______ ____________.
cab gauges
pg. 30
Motor Function Gauges
They are connected to autible and visual alarms which will activate when readings are outside of the ____________ _________________.
normal parameters
pg. 30
Motor Function Gauges
Some engines have analog gauges and some are built-in to the governor control box.
true or false?
true
pg. 30
If the alarm sounds immediately check all gauges for the one displaying the abnormal reading. If all appear normal, compare the indications with the gauges in the _______.
cab
pg. 30
Motor Function Gauges
If the cab gauges also appear normal, contact ___________ to help identify the problem.
TSF
pg. 30
Motor Function Gauges
Normal oil pressure at idle:
15 PSI
pg. 30
Motor Function Gauges
Normal oil pressure at speed:
35-45 PSI
pg. 30
Motor Function Gauges
Normal coolant temperature:
180-220 degrees fully warmed up
Motor Function Gauges
Normal voltage:
13 to 14.5 volts
pg. 30
Motor Function Gauges
Normal Tranmission temperature:
Under 300 degrees is normal
pg. 30
Motor Function Gauges
Once an abnormal condition is confirmed or suspected stop operation as soon as possible.
true or false?
true
pg. 30
Motor Function Gauges
A low voltage indication will gradually reduce motor _________.
RPM
pg. 30
Motor Function Gauges
High coolant temperature or low oil pressure could result in ___________ ______________.
motor damage
pg. 30
Motor Function Gauges
If an abnormal indication occurs while on scene take any steps necessary to prevent apparatus damage without endangering ________________
_________.
handline crews
pg. 30
Motor Function Gauges
The tachometer measures _____________ RPM and is located on the pump panel.
motor
pg. 30
Motor Function Gauges
The tachometer may be analog or digital and may be built-in to the governor control panel.
true or false?
true
pg. 30
Motor Function Gauges
Always be aware of the motor ________ while pumping.
RPM
pg. 30
Motor Function Gauges
The coolant temperature gauge indicates the ________ cooling system temperature, not the pump water.
motor
pg. 31
Pump water temperature can best be monitored by feeling the pump _____________.
piping
pg. 31
Pump Cooler/Recirculator
This valve controls a small discharge line that directs water to the ___________ _________.
booster tank
pg. 31
Pump Cooler/Recirculator
When opened it flows less than ________ and will remove hot pump water, to be replaced with cooler water from the supply.
25 GPM
pg. 31
Pump Cooler/Recirculator
If the pump is being supplied by a tanker or hydrant and this valve is open, you will eventually _______________ the booster tank
overflow
pg. 31
Pump Cooler/Recirculator
This valve is generally only needed when hose lines are charged but ______ ____________.
not flowing
pg. 31
Thermal Dump Valve
Some engines have a thermal dump valve. This valve is temperature activated at ______ degrees and discharges water into the booster tank or onto the ground.
120
pg. 31
Pump Cooler/Recirculator
When the pump water cools down the valve must be manually reset.
true or false?
false (reseats itself)
pg. 31
Engine Cooler or Auxillary Cooler
This valve operates as a ________ ______________.
heat exchanger
pg. 31
Engine Cooler or Auxilary Cooler
To prevent overheating while the pump is operating open this valve to discharge cool pump water through the __________________.
radiator
pg. 31
Engine Cooler or Auxilary Cooler
Within the radiator is a coil of tubing and pump
water flows through this coil to reduce the ___________ ___________________.
coolant temperature
pg. 31
Engine Cooler or Auxilary Cooler
The pump doesn’t need to be engaged for this valve to function.
true or false?
false. (pump must be engaged)
pg. 31
Engine Cooler or Auxilary Cooler
This valve should be opened any time the coolant temperature _____________ the normal level.
exceeds
pg. 31
Pressure Governor
A pressure governor can make automatic adjustments to _____________ pressure in order to compensate for variables in ____________ pressure.
discharge, intake
pg. 33
Pressure Governor
This device is designed to keep discharge pressure at a constant level making it safer for __________________ __________.
handline crews
pg. 33
Pressure Governor
Normally the pressure governor requires _________ adjustment once set by the engineer, and requires no maintenance.
little
pg. 33
Pressure Governor
The governor is integrated into the motor’s fuel management system and controls pump discharge pressure (PDP) by changing motor
_________.
RPM
pg. 33
The pressure governor consists of only two major parts - the control box (located on the pump panel) and the pressure sensor (installed within the discharge manifold).
true or false?
true
pg. 33
Pressure Governor
The pressure sensor monitors _______ and transmits the _______ signals to the control box.
PDP, PDP
pg. 33
Pressure Governor
The control box transmits signals to the motor’s fuel management system to increase or decrease ________ as required to maintain the PDP as set by the engineer.
RPM
pg. 33
Pressure Governor
When the pump is engaged the cab throttle controls (accelerator pedal and high idle switch) are operable.
true or false?
false (disabled)
pg. 33
Types of Governors and Modes of Operation
JFRD utilizes three types of pressure governors:
- Class 1
- Pump Boss 100
- Pump Boss 200
pg. 34
The Class 1 unit is installed on _________________ engines purchased before 2008.
two-staged
pg. 34
Each governor has two modes of operation - _______ and ________.
PSI, RPM
pg. 34
PSI Mode
Selecting PSI allows the pressure governor to monitor and regulate ________.
PDP
pg. 34
Once the engineer sets the PDP by utilizing the throttle, the governor is automatically “set”.
true or false?
true
pg. 34
PSI Mode
Any changes to the discharge pressure will be compensated by the governor through a change in ___________.
RPM
pg. 34
PSI Mode
The governor in this mode can be compared to an automotive “___________________”.
cruise-control
pg. 34
PSI Mode
The governor will vary the RPM in order to maintain the set _________ much as a cruise control will vary RPM to maintain vehicle speed.
PDP
pg. 34
PSI Mode
The most common disruption to PDP is the
opening and closing of nozzles.
pg. 34
PSI Mode
Any change to intake pressure will be felt on the _______________ side of the pump, such as changing from tank supply to hydrant supply.
discharge
pg. 34
PSI Mode
The PSI mode can _______________ these fluctuations and provide a constant discharge pressure.
minimize
pg. 34
The engineer must select PSI mode for the following fireground operations: (3)
- Pumping handlines
- Pumping ladder pipes or ground monitors
- Supplying a sprinkler or standpipe
pg. 35
NOTE: Although the transfer valve also has a PRESSURE setting there is no relationship - the transfer valve and governor function independently.
true or false?
true
pg. 35
PSI Mode
High rise pumping operations that exceed 300 PSI will require the engineer to change to RPM mode.
true or false?
true
pg. 35
The pressure sensor is disabled above _________ PSI.
300
pg. 35
RPM Mode
Selecting the RPM MODE disables the pressure sensor and the governor will maintain the set _________ only.
RPM
pg. 35
RPM Mode
In this mode the governor works as a simple throttle, placing the engineer in ______________
_______________ of RPM and corresponding PDP.
complete control
pg. 35
RPM Mode
No automatic adjustments will be made to regulate PDP, and pumping multiple hoselines in RPM MODE may result in pressure ______________________.
fluctuations
pg. 35
Engineers must select RPM mode for the following fireground operations: (4)
- Drafting
- Relay pumping
- Charging 5” hose
- PSI mode malfunction
pg. 35
During a _____________ operation, the pump may initially be empty.
drafting
pg. 35
When there is no water in the pump the pressure sensor will not allow the ________________ to operate in PSI MODE.
governor
pg. 35
In ___________MODE the pressure sensor is disabled, allowing the engineer to increase RPM in order to draft.
RPM
pg. 35
Once a draft is established, change to __________________.
PSI MODE
pg. 35
When _______________________ only the attack engine needs to operate in PSI MODE.
relay pumping
pg. 36
Other engines (other than attack engine) in a relay supplying water can operate more efficiently in RPM MODE. This also applies to a tanker supplying an engine on-scene.
true or false?
true
pg. 36
When opening the ______________________ valve the PDP may drop suddenly.
LDH discharge
pg. 36
When opening the LDH discharge valve the PDP may drop suddenly. The pressure sensor will detect this pressure drop and signal the motor to increase RPM.
true or false?
true
pg. 36
Change to ____________ before charging 5” hose when using other lines.
RPM MODE
pg. 36
Operate all valves slowly. This will allow the governor to better maintain the PDP. Opening and closing valves quickly will result in ______ that are beyond the governor’s ability to control.
pressure fluctuations
pg. 36
If for any reason the governor does not seem to be working properly in PSI MODE there may be a
______________________________.
PSI mode malfunction
pg. 36
During a PSI mode malfunction the most likely cause is a failure of the _____________________ or a loss of ____________________ between the pressure sensor and the control box.
pressure sensor, electronic signal
pg. 36
During a PSI mode malfunction changing to ____________ allows the engineer to increase or decrease PDP as needed.
RPM MODE
pg. 36
When operating in RPM MODE there is no automatic pressure ________________. Changes in intake or discharge pressure can effect hoseline safety - the engineer must closely monitor PDP.
protection
pg. 36
With each governor type the following steps must be accomplished in the order listed to ensure proper operation. (4)
- Engage the pump
- Open TANK TO PUMP valve
- Open appropriate discharge valve
- Operate governor
pg. 36
The pressure sensor must detect ________ in the pump to operate.
PDP
pg. 36
If the governor will not increase PDP and you have ensured an adequate water supply, suspect
______________ in the pump.
air
pg. 37
The digital readout may display LO PRESSURE or LO SUPPLY when the pressure sensor cannot detact PDP.
true or false?
true
pg. 37
To operate the Class 1 Governor:
When the pump is initially engaged the Class 1 unit is in “_____________” mode.
standby
pg. 37
To operate the Class 1 Governor:
The digital readout on the control box will read “___________”.
MODE
pg. 37
To operate the Class 1 Governor:
To apply power, press the “_________” button.
MODE
pg. 37
To operate the Class 1 Governor:
___________ press selects the PSI MODE.
One
pg. 37
To operate the Class 1 Governor:
A ________________ press changes to RPM MODE.
second
pg. 37
To operate the Class 1 Governor:
A MODE (PSI or RPM) must be selected before you can operate the throttle buttons or presets.
true or false?
true
pg. 37
To operate the Pump Boss Governor:
Once the Pump Boss governor is on and defaults to ____________. It is ready to pump.
PSI MODE
pg. 37
To operate the Class 1 Governor:
The digital readout will indicate the ________.
PDP
pg. 37
To operate the Pump Boss Governor:
Changing modes is accomplished by pressing and holding the MODE button or PSI/RPM button for ______________.
3 seconds
pg. 37
Presets
Each pressure governor has a PRESET button and both an RPM and PSI preset are programmed by ________.
TSF
pg. 37
Presets
The engine PSI preset is ___________ PSI and tanker PSI preset is _________ PSI.
110, 50
pg. 37
Presets
The RPM preset for both engines and tankers is __________ RPM.
1100
pg. 37
Presets
Using the PRESET button is ______________.
optional
pg. 37
Presets
You can press the PRESET button at any pressure or RPM.
true or false?
true
pg. 37
Presets
On the Class 1 Governor the RPM preset is disabled if the pump is engaged.
true or false?
true
pg. 37
Presets
On the Pump Boss governor, both presets are available with the pump engaged
true or false?
true
pg. 37
The pressure governor can also serve as a ________ ____________ control in RPM MODE with the pump disengaged.
high idle
pg. 37
Engines and tankers also have a HIGH IDLE switch in the cab.
true or false?
true
pg. 37
Idle Button
The governor has an IDLE button which can be used at any ___________.
time
pg. 37
When the idle button is depressed on the Class 1 unit the motor returns to idle RPM and the unit returns to ________________ mode.
standby
pg. 37
Idle button
At idle on the Class 1 governor to throttle up you will have to again press _________ to apply power and select PSI or RPM.
MODE
pg. 37
Tips for Pressure Governor Operation
Operate two-stage pumps routinely with the transfer valve in __________________.
VOLUME
pg. 38
Tips for Pressure Governor Operation
The discharge pressure at idle will be ___________ PSI.
30-40
pg. 38
Tips for Pressure Governor Operation
The engineer can switch from PSI to RPM and back at any time and at any pressure. No water hammer can occur from a MODE change
true or false?
true
pg. 38
If your water supply runs low the governor will attempt to maintain PDP by increasing RPM.
true or false?
true
pg. 38
If the pump cannot maintain at least ______ PSI PDP, the governor will return the RPM to idle. This is a safeguard to prevent cavitation.
30
pg. 38
Flow from the booster tank is limited to _______________ GPM on all JFRD engines.
700-800
pg. 38
If you need to supply the deck gun from the booster tank, use the fog nozzle at ________ GPM
or a _______ or ________ tip.
500, 1-1/4”, 1-3/8
pg. 38
When residual pressure gets low (below 10 PSI), the governor may sense a supply problem and return RPM to idle.
true or false?
true
pg. 38
When residual pressure gets low (below 10 PSI), if additional volume is not available and you can safely operate at this residual pressure, change to ______________ and continue pumping.
RPM MODE
pg. 38
Attempts to pump low volume at high pressure (booster line) may cause mild cavitation in pump and governor may falsely interpret as low water supply and return the RPM to idle.
true or false?
true
pg. 38
The Class 1 digital readout may provide important messages during pumping operations.
true or false?
true
pg. 38
The Pump Boss provides only a few messages which are self explanatory.
true or false?
true
pg. 38
The governor is an electronic device and subject to voltage and current irregularities.
true or false?
true
pg. 38
If governor control box is without power after engaging pump, you may have to disengage pump, shut off motor/batteries, re-initiate starting sequence and re-engage the pump.
true or false?
true
pg. 38
The minimum hose inventory of each engine shall consist of:
• 5” - 1000 feet
• 2-1/2 - 1000 feet
• 1” Booster line. 200 feet
• 10ft hard suction. 2 (two) sections
• High Rise Pack. 150’ of 1-3/4 hose
• Pre-connected
1-3/4 attack lines. 2 (two) 200 foot 1-3/4
crosslays
All other 1-3/4 attack
lines length per Co. Capt.
• Wildland Hose. 200’ of 1” hose
pg. 39
5” Hose
5” hose fitted with storz quarter-turn couplings are the primary supply hose.
true or false?
true
pg. 39
5” Hose
Couplings can be placed in random locations, but must be staggered and cannot ________ ________ during layout.
flip over
pg. 39
A rope “____________ _________” with a hydrant wrench and two 5” spanner wrenches shall be readily available for laying a supply line.
hydrant loop
pg. 39
When connecting 5” hose to the intake valve, never place a left hand twist in the hose. It may uncouple upon charging.
true or false?
false. (never place a right hand twist)
pg. 39
If a hose clamp is used when laying out, the clamp must be placed close to a coupling on the ______________ side.
supply
The 5” hose will extended horizontally when charged, so always clamp at least _________ back from the tail board.
25’
pg. 39
A supply line connected to a hydrant at incident scenes shall be _____ or ___________.
5”, larger
pg. 39
WARNING: When loosening the hose clamp do not position yourself on the ________ _______ of the clamp.
hinge side
pg. 39
The engineer shall direct the opening of the hydrant by: (3)
• portable radio
or
• by signaling with arms extended over the head (when the engine can be seen from the hydrant)
• If the above methods are impractical utilize a runner
pg. 39
Crossing 5” hose shall be done in a manner that minimizes the chance of hose or coupling damage.
true or false?
true
pg. 39
5” Hose Guidelines: (3)
- Lay 5” in a manner to avoid the path of vehicles if possible.
- Any crossing should be done at an angle and not straight on.
- If 5” hose must be crossed, only vehicles with high ground clearance should be permitted to do so.
pg. 40
CAUTION: Rescue units as well as some engines and ladders have low suspension and cannot drive over an 5” hose coupling.
true or false?
true
pg. 40
5” hose has a comparatively small amount of friction loss compared to 2-1/2” hose but it too has __________________.
limitations
pg. 40
5” Hose
A flow of 1200 GPM has ______ PSI friction loss per 100’ section of hose.
10
pg. 40
__________ GPM is the practical volume limit of 5” hose.
1600
pg. 40
5” Hose
If a full bed load of 5” hose is used to supply an attack engine, an additional engine should “hook-up” to the hydrant and __________ _________
the supply line.
relay pump
pg. 40
5” hose lays requiring multiple bed loads may require several in-line relay engines in addition to the engine at the hydrant.
true or false?
true
pg. 40
Pumping 5” hose requires two-stage pumps to be operated in _______________.
VOLUME
pg. 40
5” Hose
Maintain a minimum of _____ PSI residual pressure and never exceed _______ PSI PDP.
10, 200
pg. 40
Storz Adapters and Appliances
5” female to 5” storz adapter is located:
on the front or rear intake
pg. 40
Storz Adapters and Appliances
4” female to 5” storz adapter is located:
on the LDH discharge valve
pg. 41
2-1/2” female to 5” storz adapter is used for:
connecting 5” hose to the 2-1/2” outlet on a hydrant.
pg. 41
4-1/2” female to 5” adapter is used as:
the standard JFRD hydrant connection, normally installed on 5” hose in the hosebed.
pg. 41
2-1/2” Hose
2-1/2” hose shall be loaded in the hosebed with the male coupling ___________ top.
out/on
pg. 41
2-1/2” Hose
This hose is versatile and can be used for a variety of applications: (5)
- FDC - to supply a sprinkler or standpipe system.
- Master Stream - to supply the ground monitor and mini-monitor.
- Handline - can be used to extend 1-3/4 hoselines that are farther from the engine than the pre-connected length to reduce friction loss.
- Supply - to transfer water between apparatus on scene.
pg. 41
2-1/2” Pre-connected Handline
Advantage: (2)
- Rapid Deployment
- Up to 300 GPM
pg. 42
2-1/2” Pre-connected Handline
Disadvantage: (1)
• Relatively short lengths (200’ or less) may be a limiting factor for large area structures.
pg. 42
2-1/2” Static Load
Advantage: (1)
• Ability to carry several hundred feet of hose so the proper length can be deployed.
pg. 42
2-1/2” Static Load
Disadvantage: (1)
• The engineer must break the coupling and connect to the desired discharge outlet.
pg. 42
2-1/2” x 1-1/2” Gated Wye
Every engine company should carry at least two - where are the located?
• one in the high rise bag
and
• one on the front bumper discharge.
pg. 43
2-1/2” Siamese
This adapter is used for: (2)
- For joining two 2-1/2” hose lines together to form one hose line.
- Other uses include augmenting the FDC to increase sprinkler or standpipe flow.
pg. 43
2-1/2” Smooth Bore Nozzle
This stacked tip nozzle operates at 50 PSI nozzle pressure (NP) and flows thr following:
1” =
1-1/8” =
1-1/4” =
1" = 200 GPM 1-1/8" = 250 GPM 1-1/4" = 300 GPM
pg. 43
2-1/2” Smooth Bore Nozzle
WARNING: The maximum safe flow through a 2-1/2” handline is _________ GPM.
300
pg. 43
To compensate for friction loss in a 2-1/2” handlines add ______ PSI per 100’ to the PDP. This standard works equally well for fog streams or smooth bore nozzles.
10
pg. 43
Akron Turbojet 2-1/2” Fog Nozzle
Operates at 100 PSI NP with an adjustable flow range of _____, ______, ______, and _______ GPM.
125, 150, 200, 250
pg. 43
Akron Turbojet 2-1/2” Fog Nozzle
Has a “break-apart” feature allowing ________ hose to be extended from the playpipe.
1-3/4”
pg. 43
Akron Turbojet 2-1/2” Fog Nozzle
WARNING: Rotating the bumper fully ____________ will shut off the nozzle even if the bale is open.
clockwise
pg. 43
1-3/4” Hose and Nozzles
1-3/4” hose loaded in a pre-connected manner is the “_______________________” attack line of the JFRD.
bread and butter
pg. 44
1-3/4” Hose and Nozzles
The hose and nozzles are color coded for rapid recognition. What colors are for the crosslays?
RED and YELLOW
pg. 44
1-3/4” Hose and Nozzles
The hose and nozzles are color coded for rapid recognition. What colors are for the rear and bumper lines?
WHITE and ORANGE
pg. 44
Akron Turbojet Nozzle -
This nozzle has five settings from 30-200 GPM. however, JFRD recommends the _____, ______ or _______ GPM setting for initial interior firefighting.
95, 125, 150
pg. 44
Akron Turbojet Nozzle
NOTE: Always check GPM setting at the beginning of your shift and prior to use.
true or false?
true
pg. 44
Akron Turbojet Nozzle
NOTE: Be sure to add ______ PSI PDP per floor when operating above ground level.
5
pg. 44
There are two pressure variants of the Akron Turbojet nozzle.
true or false?
true
pg. 44
Akron Turbojet Nozzle
The color coded versions require _______ NP, and the black version (used by the Hazardous Materials Teams) require ______ NP.
75 PSI, 100 PSI
pg. 44
Akron Turbojet Nozzle
The 100 PSI nozzle has greater reach but identical GPM settings.
true or false?
true
pg. 44
Akron Turbojet (75 PSI) Color-Coded Fog Nozzle
A PDP of ______ PSI will allow the nozzle operator to select 95, 125, or 150 GPM on the nozzle and attain this flow.
110
pg. 44
Akron Turbojet (75 PSI) Color-Coded Fog Nozzle
The nozzle operator can change the GPM setting with no adjustment in PDP.
true or false?
true
pg. 44
Akron Turbojet (75 PSI) Color-Coded Fog Nozzle
A desired flow of 200 GPM requires an increase in PDP from 110 PSI to __________. Two firefighters may be required for safe handling.
150 PSI
pg. 44
Akron Turbojet (100 PSI) Black Fog Nozzle
A pump discharge pressure of _____ PSI will allow the nozzle operator to select 95, 125, or 150 GPM on the nozzle and attain this flow.
135
pg. 45
Akron Turbojet (100 PSI) Black Fog Nozzle
The nozzle operator can change the GPM setting with no adjustment in PDP required.
true or false?
true
pg. 45
Akron Turbojet (100 PSI) Black Fog Nozzle
A desired flow of 200 GPM requires an increase in PDP from 135 PSI to ________. Two firefighters may he requied for safe handling.
175 PSI
pg. 45
There is greater tendency for handlines to ________ when used with the 75 PSI nozzle.
kink
pg. 45
A quick remedy (kinks) is to ____________ initial PDP when charging, then reduce to the recommended PDP.
increase
pg. 45
If the nozzle operator experiences a sudden PSI loss while advancing suspect a ____________ _______.
kinked line
pg. 45
Akron Turbojet (100 PSI) Black Fog Nozzle
All firefighters on scene shall be watchful for _________ and assist in feeding hose into and inside a structure
kinks
pg. 45
If hose kinks become frequent the engineer can boost PDP by __________ PSI.
10-25
pg. 45
Akron SaberJet Nozzle
This 1-3/4” nozzle has a dual position bale allowing the operator operator to select a fog or solid stream.
true or false?
true
pg. 45
Akron SaberJet Nozzle
The fog ranges from a narrow angle to a wide-angle and cannot produce a ____________ ____________.
straight stream
pg. 45
Akron SaberJet Nozzle
The smooth bore can be configured for _______ or ________ tip.
7/8, 15/16
pg. 45
Akron SaberJet Nozzle
it can flow both fog and solid stream simultaneously.
true or false?
false. (can not)
pg. 45
Akron SaberJet Nozzle
The solid stream setting will flow: (2)
- 150 GPM at 50 PSI NP (7/8)
- 180 GPM at 50 PSI NP (15/16)
pg. 45
Akron SaberJet Nozzle
The fog stream setting will flow: (1)
• 135 GPM at 100 PDI NP
pg. 45
Akron SaberJet Nozzle
When the solid stream is selected this nozzle may require two firefighters for safe control.
true or false?
true
pg. 46
Akron SaberJet Nozzle
If less volume is sufficient, this nozzle produces a quality fog and solid stream at lower pressures that can be handled by one firefighter.
true or false?
true
pg. 46
Akron SaberJet Nozzle
The nozzle operator can change from fog to solid and back with _________ PDP adjustment required.
no
pg. 46
Akron SaberJet Nozzle
No PDP adjustment is required when changing from fog to solid because the change in GPM results in a corresponding friction loss (friction loss increases by ______PSI).
40-50
pg. 46
High Rise Nozzle
This nozzle shall be located with the high-rise kit and it’s designed for use from standpipes.
true or false?
true
pg. 46
High Rise Nozzle
This nozzle combines a fog and solid stream nozzle and requires only ___________ NP for either option
50 PSI
pg. 46
High Rise Nozzle
The fog attachment provides ________ GPM
150
pg. 46
High Rise Nozzle
The nozzle operator can shut off the nozzle
bale and remove the fog tip revealing a. _____ smooth bore which woll flow 150 GPM.
7/8
pg. 46
Automatic Nozzles
Some engines and tankers may utilize automatic nozzles for backup use. They can be easily identified by their ___________ bumper.
yellow
pg. 46
Automatic Nozzles
For 150’ and 200’ lines the PDP is 1 PSI per GPM desired, with a minumum _____ PSI PDP.
100
pg. 46
Automatic Nozzles
These nozzles will have a corresponding increase in GPM as PDP increases.
true or false?
true
pg. 46
Automatic Nozzles
WARNING: Automatic nozzles produce a good-looking stream at low pressures, however the GPM may be unsafe for interior firefighting.
true or false?
true
pg. 46
Each engine company shall maintain of _______ of 1-3/4” hose with nozzle for connection to a standpipe.
150’
pg. 46
The high-rise bag shall include a 2-1/2” to 1-1/2” gated wye, 6’ of 2-1/2” hose, spanner wrench, pipe wrench (at least _____), and a marking device.
14”
pg. 46
All crosslays should be equipped with _____ short sections at the discharge pipe. These sections are useful when extending a line or placing a foam eductor in-line.
10’
pg. 47
Booster Hose
Each engine carries _______ of 1” booster hose. It is used for a variety of small fires, wildland fires, or overhaul.
200’
pg. 47
Booster Hose
Each booster hose is equipped with an automatic nozzle and will flow a maximum of _______ at _______ PDP. They will flow less volume at reduced pressure which is recommended.
70 GPM, 300 PSI
pg. 47
Booster Hose
Ensure transfer valves are set to PRESSURE when pumping booster hose at high pressure.
true false?
true
pg. 47
CAUTION:
Sustained high pressures combined with low pumping volume can contribute to high pump temperature and impeller damage.
true or false?
true
pg. 47
Hard Suction Hose
All engines carry two 10-foot sections of hard suction hose. There is (1) heavy duty hose and (1) drafting hose. Each hose has ____ threads to match the steamer connection
6”
pg. 47
Hard Suction Hose
Heavy duty hose is for drafting or connection to a ______________. This hose is heavy, not very flexible, and difficult to maneuver.
hydrant
pg. 47
Hard Suction Hose
The drafting hose is lightweight and flexible but is for drafting only and cannot be pressurized.
true or false?
true
pg. 47
Hard Suction Hose
The 6” to 4-1/2” adapter and 6” to 2-1/2” adapter permit the hard suction hose to be connected to a _______________.
hydrant
pg. 47
Each engine shall be equipped with a barrel-style strainer and rope for ____________ from a natural static source
drafting
pg. 47
Low Level Strainer
Two types of low-level strainers are in use to facilitate drafting from tanker basins.
true or false?
true
pg. 48
Low Level Strainer
Each tanker carries a strainer with 4-1/2” threads. Also attached to this adapter is a 4-1/2” ____________ _________ adapter.
double male
pg. 48
Low Level Strainer
Connecting to 6” hard suction requires a ______________ adapter (also carry by tankers)
4-1/2” to 6”
pg. 48
Low Level Strainer
A newer type strainer with a check valve is carried by engines with ___________ ___________.
front intakes
pg. 48
Low Level Strainer
The newer type strainer is red in color and has 6” threads.
true or false?
true
pg. 48
Low Level Strainer
With the newer type strainer the check valve can allow rapid drafting even when the primer is inoperative.
true or false?
true
pg. 48
Low Level Strainer
The new type strainer is lightweight and may need to be _______________ down in tanker basin.
weighted
pg. 48
Soft Intake Hose
some engines may be equipped with soft intake hose 6” in diameter, _________in length.
25 feet
pg. 48
Soft Intake Hose
It has 6” threads on one end 4-1/2” threads on the other. This hose will flow up to _______ GPM.
2000
pg. 48
Attic Nozzle
Ladder companies and some engines carry distributor nozzles that can be placed into attic spaces from the floor below.
true or false?
true
pg. 48
Attic Nozzle
The complete set includes two lengths of 1-1/2” aluminum pipe (__________ and __________), a 1-1/2” to 2-1/2” increaser, and a standard play-pipe.
2 feet, 6 feet
pg. 48
Attic Nozzles
Flow for each:
1-1/2” fog stream = __________
2-1/2” broken stream = __________
1-1/2” broken stream = __________
160 GPM
495 GPM
140 GPM
pg. 48
Class “A” Foam
This is used primarily for _______________ fires and is not compatible with class B foams.
wildland
Class “A” Foam
Class A foam is actually a wetting agent and can break down the ____________ _____________ of water permitting greater penetration of water into class A fuels.
surface tension
pg. 49
Class “A” Foam
It is educted at 1/4% to 1%. Do not use class B foams on class A fires.
true or false?
true
pg. 49
Each engine and tanker is equipped with class A and Class B foams and application appliances.
true or false?
true
pg. 49
Class “B” Foams
Alcohol resistant versions of aqueous film forming foam (AR-AFFF) have proven to be effective on all types of Class B fires.
true or false?
true
pg. 49
Class “B” Foams
Ansulite low-viscosity AR-AFFF and Thunderstorm AR-AFFF are the class B foams utilized by JFRD.
true or false?
true
pg. 49
Class “B” Foams
They are equally effective on hydrocarbon fuels (gasoline, kerosene, diesel fuel) as well as __________ __________ (ethanol and ethanol blends, methanol and ketones).
polar solvents
pg. 49
Class “B” Foams
These foams are educted at 3% and are compatible with each other.
true or false?
true
pg. 49
Class “B” Foams
NOTE: All gasoline now contains at least 10% ethanol. AR-AFFF and the Akron foam tube are required to achieve proper aeration to extinguish these fires. true or false?
true
pg. 49
Engine 7 and 21 - These engines have built-in foam proportioners and tanks _____________foam is more compatible with these systems.
Mil-Spec
pg. 49
Station 16 and 56 - Aviation fuel is a non-polar hydrocarbon fuel very similar to kerosene. ___________________ will be most effective
Mil-Spec AFFF
pg. 49
Foam 37 / 371 - Although these tankers respond citywide their main purpose is to protect the Navy Fuel Depot which stores aviation fuel. Each tanker carries ____ gallons of foam concentrate.
1800
pg. 49
CAUTION: Mil-Spec 3% AFFF is NOT compatible with AR-AFFF and should never be mixed. Never add AR-AFFF to any apparatus foam tank.
true or false?
true
pg. 50
Each engine shall carry enough foam concentrate to convert booster tank water to finished foam. This calls for _ gallons of concentrate or 3 - 4 pails (3 gallons per 100 gallons tank cap.)
15-18
pg. 50
Ea. tanker shall carry enough foam concentrate to convert the 2500 gallon tank into finished foam. This calls for __ gallons of concentrate or 15 pails (3 gallons per 100 gallons of tank cap)
75
pg. 50
In addition to foam concentrate each engine and tanker shall carry basic foam nozzles and proportioning equipment.
True or false?
True
pg. 50
A foam eductor rated at 125 GPM. This device is adjustable from 1/4% to 6%. . It is used with the standard 1-3/4 handline.
True or false?
True
pg. 50
Akron Turbojet fog nozzle set at _____ GPM (75 100 PSI variant). The 100 PSI nozzle is more compatible with E-7 and E-21 foam proportioners incapable of greater stream reach.
125
pg. 50
Akron foam tube, provides aggressive aeration at nozzle instead of having to create a foam blanket by indirect methods. Foam tube attaches to 1-3/4 Akron TurboJet nozzle only. True or false?
True
pg. 50
The foam eductor shall be set to match the foam concentrate. Example 3% concentrate educts at 3% setting
True or false?
True
pg. 51
If more distance is required between apparatus in the eductor use 2-1/2” hose and a ________ ________.
gated wye
pg. 51
Maximum distance between eductor and nozzle is:
75 PSI nozzle the max distance is __________.
100 PSI nozzle the max distance is ________.
250’
150’
pg. 51
The nozzle setting shall match the rate of flow of the eductor (125 GPM). The nozzle bale must be
___________ ____________ at all times.
fully opened
pg. 51
The foam eductor requires an inlet pressure of _______ PSI. Nozzle pressure will not be excessive due to the friction loss that occurs within the foam eductor.
200
pg. 51
Foam concentrate will educt at lower PDP. For this reason it is possible to produce finished foam at lower PDP. however this creates ________ problems.
two
pg. 51
Foam concentrate will educt at lower PDP. The GPM at this lower PDP may be far less than the 125 GPM selected.
True or false?
True
pg. 51
At less than 200 PSI the eductor will draw MORE foam than the eductor setting resulting in richer foam solution. You will use more foam and run out quicker.
True or false?
True
pg. 51
The proper water:foam ratio cannot be achieved unless the inlet pressure is ______ PSI.
200
pg. 51
Angus 240 GPM eductors in aerating nozzles are for use with ________ hose and carried by:
ENGINES
1, 7, 11, 21, 30, 32, 34, 37
2-1/2
pg. 51
Caution: The maximum Inlet pressure for the Angus 240 eductor is 120 PSI. If the inlet pressure exceeds 120 PSI this eductor will not draw foam concentrate.
True or false?
True
pg. 51
The Hazmat teams and Station 37 carry several large caliber master stream appliances for foam and dry chemicals.
True or false?
True
pg. 52
Used w/ 2-1/2” hose and the 2-1/2” Akron Turbojet nozzle, allows up to 300’ between eductor and nozzle.
True or false?
True
pg. 52
JFRD maintains emergency stockpiles of foam at ______ and __________________ The total JFRD foam capacity is approximately 20,000 gallons
TSF, Station 37
pg. 52
The shelf life of class A foam is indefinite. It is provided and square pails to avoid confusion with class B foams.
True or false?
True
pg. 52
Class B foam concentrate is supplied in five gallon round pails. It is considered a hazardous material to the environment and requires care when handling.
True or false?
True
pg. 52
AR-AFFF Specifications (4)
- Compatible with dry chemicals.
- Ansulite AR-AFFF is yellow in color; Thunderstorm AR-AFFF is green.
- Cannot be used for subsurface injection.
- Can be used with fresh or salt water.
AFFF concentrate will store for many years without issue.
True or false?
True
pg. 52
The following ground ladders shall be carried by all engine companies:
24ft Extension Ladder (3)
- First Story Roof Access
- Second Story Window Access
- Second Story Balcony Access
pg. 53
The following ground ladders shall be carried by all engine companies:
14ft Roof Ladder (3)
- First Floor Roof Access
- Interior Access (tall ceilings)
- Roof Work with Hooks Deployed
pg. 53
The following ground ladders shall be carried by all engine companies:
10ft Attic Ladder (3)
- Interior Scuttle Access
- Interior Attic Access
- Some First Story Windows
pg. 53
The following ground ladders shall be carried by all engine companies:
Little Giant (1)
• This versatile ladder can be arranged as a wall ladder, extension ladder, or an A-frame. It is carried by some engine companies.
pg. 53
The following extrication equipment shall be carried but all engine companies: 8)
- High-lift jack w/ lifting hook
- Air chisel and 3 blades (long flat, short flat, panel)
- Come-A-Long
- Chains in length of 6 ft, 12 ft, 15 ft,
- J Hook w/shackle
- Ladder cribbing minimum of on
- Step chocks (minimum of 3)
- Ladder cribbing (minimum of 1)
- Assortment of 4x4 cribbing
pg. 54
The following extrication equipment shall be carried but all engine companies: 8)
- High-lift jack w/ lifting hook
- Air chisel and 3 blades (long flat, short flat, panel)
- Come-A-Long
- Chains in length of 6 ft, 12 ft, 15 ft,
- J Hook w/shackle
- Ladder cribbing minimum of on
- Step chocks (minimum of 3)
- Ladder cribbing (minimum of 1)
- Assortment of 4x4 cribbing
pg. 54
Some engines are equipped with battery powered hydraulic tools that have no power unit, no hoses, and require no set-up time.
True or false?
True
pg. 54
These tools have a int. hydraulic pump which can operate in hostile environ. where gas pwr unit might fail and provides more cutting/spreading force and conventionally in it. True or false?
True
pg. 54
