Pumping Flashcards
With water being virtually incompressible a pressure of _____ is required to reduce its volume _____%
30000
1
P. 179
1 inch square column of water 1 ft high has a psi of_____
A column of water at 2.304 ft high has a pressure of _____
.434
1 psi
P. 171
Mercury is ______ denser that water
13.55
P. 173
Large onboard tank of foam concentrate usually found on industrial pumpers often contain______ gallons or more of foam.
500
P. 15
An act of proceeding to do something with a conscious awareness of danger while ignoring any potential consequences of so doing.
Reckless disregard
P. 84
An inspection where a certain system or component of an apparatus is operated to ensure that it is functioning properly.
Functional check
P. 36
Sound ____ short blasts of the vehicles horn immediately before backing the apparatus.
2
P. 113
Mirrors may become obscured in wet or
Snowy weather. Drivers should keep a ______ or towel close by to
Keep mirrors clear during inclement weather.
Squeegee
P. 114
Many tilt cabs have inspection doors that allow a check of engine oil coolant and other fluids. However the cab should still be lifted ________ for a thorough inspection of the engine compartment.
Weekly
P. 45
_________ programs and _________ checks are proactive measures that can ensure that a piece of fire apparatus is maintained in the highest state of readiness and will operate safely and efficiently at emergency scenes.
Preventive maintenance, routine maintenance
P. 29
Increasing the speed of an apparatus by ____ mph can decrease the warning distance by _____ or more.
20mph
250ft
P. 101
Narrow fog
Wide fog
15-45 degrees
45-80 degrees
P. 196
Willful and wanton disregard.
Gross negligence
P. 84
Breaching of duty in which a person or organization fails to perform at the standard required by law.
Is usually found when the driver has been found guilty of a gross violation of standing laws policy or ordinance.
Negligence
P. 84
______ refers to keeping apparatus in a state of usefulness or readiness while _____ means to restore that which has become inoperable.
Maintenance, repair
P. 29
Until it reaches its destination the fire stream is influenced by ______,______,_____,______.
Velocity
Wind
Gravity
Friction with the air
P. 193
A visual inspection of an apparatus to ensure the major components of the chassis are present and in proper working condition.
Pre trip road worthiness inspection
P. 36
When more than one emergency vehicle is responding along the same route they should travel at least ___________ to________ ft apart.
300-500 ft
P. 101
Four basic principles of friction loss
Length -of hose
Velocity -square of the increased
Diameter- fifth power of Diameter
Same.
P. 179
Specific gravity of gasoline and methylene chloride
.72-.76
1.33
P. 168
Many fire departments use scaled down versions of full size pumpers which are called _____________.
Initial attack fire apparatus
P. 16
At speeds above _____mph an emergency vehicle may outrun the effective range of its audible warning device.
50 mph
P. 101
Small fire apparatus mounted on a pickup truck sized chassis. Rates less than 500 gpm
Mini pumpers
P. 16
Inspecting an apparatus and equipment on the apparatus to ensure that all equipment is in place.
Operational readiness inspection
P. 36
_________ pumps are prone to failure if not exercised regularly. These pumps should be operated during routine apparatus checks.
Rotary
P. 298
_________ pumps are prone to failure if not exercised regularly. These pumps should be operated during routine apparatus checks.
Rotary
P. 298
Single stage centrifugal pumps have flow capacity up to _______.
2250 gpm
P. 300
As a minimum All fire apparatus with a rated capacity of _____ or greater must be equipped with at least ____ 2.5 inch discharges.
750 gpm
2
P. 314
According to nfpa 1901 apparatus equipped with tanks of less than 1000 gallons must have a tank fill line of at least ____. Tanks greater than 1000 must have___.
1 inch
2 inch.
P. 316
Nfpa 1901 requires that all intake or discharges that are ____ or greater be equipped with slow acting valves. This feature prevents the valve movement from open to close in less than ____ seconds.
3 inches
3
P. 317
Nfpa 1901 requires some types of pressure control device to be part of any fire apparatus pumping system. This device must operate within ___ to ___ seconds after the discharge pressure rises restricts the pressure from exceeding ____ psi above set level.
3-10 seconds.
30 psi.
P. 319
It is generally recommended that the intake relief valves be set to open when the intake pressure rises more than _____ psi above the necessary operation pressure.
10 psi
P. 320
The electronic governor also features cavitation protect by returning the engine to idle when intake pressure drop below ____ psi.
30 psi.
P. 321
Charge lines to the fdc to the required appropriate for sprinkler standpipe support_____ psi for 1.5 fdc and ____ psi for 2.5 fdc.
100 psi
150 psi
P. 398
Large diameter hose size.
3.5-6 inch inch
P. 427
The vacuum tender is able to self prime from a static water source at a rate of ____ gpm with a lift of ____.
2000 gpm
22ft
P. 446
One folding tank gpm rate.
Incidents involving flow rates over 300 gpm how many tanks.
Most multiple tank operations use from.
Less than 300 gpm
Multiple tanks
2-5
P. 463
For operations that require more than three tanks and jet siphons and flows over 500 gpm _____ should be used to transfer water to the tank supplying the attack pumper.
Parallel jet siphons
P. 464
Operate the start control at intervals of no more that ____ with a rest of ___ between each try of the vehicle does not start sooner.
30 seconds
60 seconds.
P. 531
Normal hydraulic pressure is from ___ to _____.
850-3000 psi
P. 551
Aerial ladder platform commonly range is size from ____ to ____.
85ft-110ft
P. 558
Common sizes of telescoping aerial platforms in use in north America range from ______ to_____.
75ft-100ft
P. 558
Standard articulating aerial platforms range from ____ to ______.
55ft-85ft
P. 559
Most ______ are designed so that their fire streams may be deployed at a range of elevation starting from a few degrees below horizontal to nearly 90 degrees from the ground. Common sizes for these devices range from ____ to ____. They are capable of maximum flows ranging from _____ to _____ gpm.
Water towers
50-130ft
1000-5000gpm
P. 560
The maximum loading for any unsupported aerial device occurs when operated at angles between ____ and ____ from horizontal.
70-80 degrees
P. 622
Consider parking additional apparatus _____ to _____ ft behind the shielding apparatus to act as an additional barrier between firefighters and the flow of traffic.
150-200 ft
P. 626
The type of pto activation switch varies from manufacturer to manufacturer and may be pneumatic electronic hydraulic or combination of these three. Pneumatic systems require anywhere from ____ to _____ psi air pressure the pto to operate.
50-140 psi
P 646
Most new models of aerial apparatus are equipped with what is called a _________ pto system.
Hot shift.
P. 646
When using an aerial ladder the first rung of the ladder tip should be placed ______ with the windowsill.
Even
P. 726
If the victim is to be lifted over the top rail the driver operator should position the apparatus so that the turntable is directly _______ with the target if possible.
In line.
P. 722
When using aerial platforms most fire departments prefer that the platform be placed so that the top rail of the platform is ______ with the windowsill.
Even.
P. 727
Blitz attack. Water deflection can be accomplished by positioning the aerial device so that the nozzle is about even with the bottom of the window. This position allows water to enter the area at an angle of about __________.
30 degrees.
P. 741
In exposure protection operations _______ nozzle patterns are generally used to cover the involved area.
Wide sweeping
P. 747
There is a possibility of using the aerial device for rescue purposes at _____ Fire incidents involving _______ aircraft.
Non crash
Large framed
P. 748
The second best option for rescuing victims from a aircraft is to place a set of _________ stairs at the exit doors of the aircraft.
Portable.
P. 748
Some aerial devices equipped with piercing nozzles and thermal imaging cameras that can benefit during Arff operations. Thermal imaging cameras can help identify the appropriate location for piercing the ______. _______ nozzles are especially helpful in extinguishing hard to reach fires and ______ aircraft fires.
Fuselage
Piercing nozzle
Cargo
P. 749
A triple f foam is also known as __________
Light water.
P. 492
Apparatus mounted foam proportioner in which a small quantity of water is diverted from the apparatus pump through an in-line proportioner
Most common apparatus foam proportioner
Around the pump proportioner
Foam concentrate proportioner that operates in tandem with a fire water pump to ensure a proper foam concentrate to water mixture
Most accurate
Bypass type balanced pressure proportioner
Apparatus mounted foam system that injects the correct amount of foam into the pump piping. Supplies all discharges with foam
Variable flow variable rate direct injection system
.1-3% concentrate
Class A and B foam
No AR
Foam proportioning system that is used in both fixed and mobile applications. A variable speed mechanism drives the foam pump
Variable flow demand type balanced proportioner
Proportioner used for CAFS system
Variable flow rate proportioner
.1-1%
Expansion ratio of foam for fog nozzles
2:1-4:1
No fluoroprotein or polar solvents
The only nozzle that should be used with protein and fluoroprotein concentrates
Air aspirating foam nozzle
Capable of being broken down into innocuous products by the actions of living things
Biodegradable
Chemical change in which a substance breaks down into two or more simpler substances
Chemical decomposition
Super absorbent liquid polymers capable of absorbing hundreds of times their own weight in water
gelling agents
Standard 1%
Fire line 1.5-2%
Structural protection 2-3%
Water pressure may be produced by an ______,________ or ________
Elevated, atmospheric, or a pump
P. 175
Three methods of moving water in a system.
Direct pump
Gravity
Combination
P. 183
______ pressure will always be greatest near the source of supply and lowest at the farthest away point.
Flow.
P. 180
The pressure found in a water distribution system during normal consumption demands is considered the ___________.
Normal operating pressure
P. 176
Height of a point above sea level or some other reference point. Refers to the center line of the pump or bottom of a static water source above or below ground level.
Elevation.
P. 176
Geographic position of a location or object in relation to sea level. May be either above or below or at sea level. Position of an object in relation to sea level.
Altitude
P. 176
