Pump Operations Flashcards
Maximum lift.
33.8
Pump capacity vs. lift.
100% @ 10 feet
70% @ 15 feet
60% @ 20 feet
(IFSTA Pump Operator Pg. 299)
According to NFPA 1901, apparatus must carry at least _______ to be considered a _______ apparatus
1000 Gallons,
mobile water supply
(IFSTA Pump Operator Pg 111)
Standard for Automotive Fire Apparatus
NFPA 1901 (IFSTA Pump Operator Pg. 8)
Standard for Firefighter Professional Qualifications for Firefighter 1
NFPA 1001
Standard for Fire Apparatus Driver/Operator Professional Qualifications
NFPA 1002
If all other conditions are the same, friction loss varies directly with the length of the hose/pipe.
1st principle of friction loss (IFSTA Pump Operator Pg 144)
At speeds above _______ emergency vehicles may “outrun” the effective range of its audible warning device.
50mph (IFSTA Pump Operator Pg. 67)
_______ is when one hydrant is used to supply two pumpers.
Dual pumping (IFSTA Pump Operator Pg 88)
Standard for the Care, Use and Service Testing of Fire Hose Incubus, Couplings and Nozzles.
NFPA 1962
For the same discharge, friction loss varies inversely as the 5th power of the diameter of hose.
3rd Principle of friction loss (IFSTA Pump Operator Pg 114)
NFPA 1901 requires the parking brake to hold the apparatus in place on a _______ grade
20% (IFSTA Pump Operator Pg 34)
Vehicles with the ability to “pump and roll” use a _______ or a _______ to power the fire pump.
separate motor, PTO (power take off) (IFSTA Pump Operator Pg 12)
Standard for Wildland Fire Apparatus
NFPA 1906
Standard for ARFF Vehicles
NFPA 414 (IFSTA Pump Operator Pg 14)
During the pressure control test the pump is operated at _______, _______ and _______ psi.
150 psi, 90 psi, 250 psi (IFSTA Pump Operator Pg 392)
During the pressure control test, discharges are shut down no faster than _______ and no slower than ______ looking for no more than _______ raise in pressure.
3 seconds, 10 seconds, 30 psi (IFSTA Pump Operator Pg 341)
During the discharge pressure gauge test, any gauges that are off by ore than _______ should be _______.
10 psi, recalibrated, repaired or replaced (IFSTA Pump Op. Pg 393)
During the discharge pressure gauge test, all discharges should be capped and gauges should be tested at _______, _______ and _______.
150 psi, 200 psi, 250 psi (IFSTA Pump Operator Pg 393)
During the pumping test, reading should be checked at _______ minute intervals until the _______ minute test is over.
5 minute, 20 minute (IFSTA Pump Operator Pg 391)
When hoses are the same size, friction loss varies approximately with the square of the increase in the velocity of flow.
2nd Principle of Friction Loss (IFSTA Pump Operator Pg 114)
During the vacuum test, no more than _______ should be lost in _______ min.
10 inHg, 5 min (IFSTA Pump Operator Pg 389)
Any pressure less than atmospheric pressure is called a _______.
vacuum (IFSTA Pump Operator Pg 111)
On apparatus equipped with airbrakes, NFPA 1901 requires the air pressure to build to a sufficient level to allow vehicle operations within _______ seconds of starting.
60 seconds (IFSTA Pump Operator Pg 34)
In order to convert head (in feet) to head pressure; divide the number of feet by _______.
2.304 (IFSTA Pump Operator Pg 112)
_______ refers to the center line of the pump or the bottom of a static water supply above or below sea level.
Elevation (IFSTA Pump Operator Pg113)
Above sea level, atmospheric pressure decreases approximately _______ for every 1000 foot increase.
0.5 psi (IFSTA Pump Operator Pg 113)
For a given velocity, friction loss is approximately the same, regardless of the pressure on the water.
4th principle of friction loss (IFSTA Pump Operator Pg 114 – 115)
During the vacuum test the priming pump is run until the test gauge shows _______.
22 inHg (IFSTA Pump Operator Pg 388)
_______ feet of water column exerts a head pressure of 1 psi at its base.
2.304 feet (IFSTA Pump Operator Pg 109)
During the hydrostatic test, pumps should be tested at _______ for _______ minutes.
250 psi, 3 minutes (IFSTA Pump Operator Pg 381)
Standard for Service Tests of Fire Pump Systems on Fire Apparatus.
NFPA 1911 (IFSTA Pump Operator Pg 382)
Pumps should be given a service test at least _______ or _______.
once a year, whenever it has undergone extensive pump or power train repair
(IFSTA Pump Operator Pg 382)
Pump Service Tests are to be conducted at _______, _______, _______, and _______ net PDP.
150 psi, 165 psi, 200 psi, 250 psi (IFSTA Pump Operator Pg 384)
The three types of foam application techniques are _______, _______ and _______.
roll on, bank down, rain down (IFSTA Pump Operator Pg 378)
Class B fuels fall into one of two catagories:
Hydrocarbons, Polar Solvents (IFSTA Pump Operator Pg 356)
Polar solvents are _______ with water.
miscible (IFSTA Pump Operator Pg 356)
NFPA 1901, Standard for Automotive Fire Apparatus, requires that tenders be designed at a rate of at least _______ gpm.
1000 gpm (IFSTA Pump Operator Pg 331)
In a water shuttle operation, fill site pumpers must have a minimum capacity of _______.
1000 gpm (IFSTA Pump Operator Pg 331
NFPA 1901 states tenders must have at least one large tank discharge that can discharge _______ of the tank at an average of _______ gpm.
90%, 1000 gpm (IFSTA Pump Operator Pg 333)
Hydrocarbons are petroleum based and _______ water
float (IFSTA Pump Operator Pg 356)
The four basic methods by which foam may be proportioned:
Induction (eduction) Injection Premix Batch Mixing (IFSTA Pump Operator Pg 357)
There are two basic types of medium and high expansion foam generators. They are _______ and _______.
water aspirating, mechanical blower (IFSTA Pump Operator Pg 376)
The two types of rotary pumps are _______ and _______.
rotary vein and rotary gear (IFSTA Pump Operator Pg 206 – 207)
Tests have indicated that an apparatus can override the parking brake system if it “jumps” from pump gear into road gear at engine speeds as low as _______.
1300 rpm (IFSTA Pump Operator Pg 243)
_______ is one of the easiest ways to ensure the maximum possible flow.
Removing kinks (IFSTA Pump Operator Pg 87)
When one or more units are responding along the same route, they should travel at least _______ apart.
300 feet – 500 feet (IFSTA Pg 68)
A solid stream master stream device should be operated at _______ nozzle pressure.
80 psi (IFSTA Pump Operator Pg 127)
Foam works by _______, _______ and _______.
separating, cooling, smothering (aka suppressing) (IFSTA Pump Operator Pg 357)
Generally _______ is the max amount of water that can safely flow through a handline nozzle.
350 gpm (through a 3” attack line) (IFSTA Pump Operator Pg 131)
Fog master streams are usually operated at _______ nozzle pressure.
100 psi (IFSTA Pump Operator Pg 131)
When solid stream nozzles are used on handlines, they should be operated at _______ nozzle pressure.
50 psi (IFSTA Pump Operator Pg 127)
The best hydrants are located on large water mains that are arranged in grid pattern so that they can receive water from _______ at the same time.
several directions (IFSTA Pump Operator Pg 250)
The worst hydrants typically are those located on ________ mains.
dead end (IFSTA Pump Operator Pg 250)
The distance the vehicle travels while the driver is transferring his foot from the accelerator to the brake after perceiving the need for stopping.
reaction distance (IFSTA Pump Operator Pg 62)
_______ is a step up transformer that converts the vehicle’s 12 or 24 volt DC current into 110 or 220 volt AC current.
Inverter (IFSTA Pump Operator Pg 17)
Total stopping distance:
Distance traveled from the time the engineer realizes the need to stop, applies the brakes and when the vehicle comes to a complete stop.
(IFSTA Pump Operator Pg 60 – 61)
The distance the vehicle travels from the time the brakes are applied until the apparatus come to a complete stop.
Braking distance (IFSTA Pump Operator Pg 62)
The completed product after air is introduced into the foam solution.
Foam (aka finished foam)
_______ is the part of the total available pressure not used to overcome friction loss or gravity while forcing water through pipe, fittings, firehose and adapters.
Residual pressure (IFSTA Pump Operator Pg 113)
The mixture of foam concentration and water before the introduction or air.
Foam solution
The raw foam liquid as it rests in its storage container before the introduction of water and air.
Foam concentrate (IFSTA Pump Operator Pg 356)
Incidents that require flow rates in excess of _______ are best served by multiple portable tank dump sites.
300 gpm (IFTSA Pump Operator Pg 349)
The pumper connected to the water supply at the beginning of a relay operation.
Supply Pumper (aka Source Pumper) (IFSTA Pump Operator Pg 312)
_______ is the part of the total pressure lost while forcing water through pipe, fittings, firehose and adapters.
Friction loss (IFSTA Pump Operator Pg 114)
_______ is a stream of water or other extinguishing agent after it leaves the firehose and nozzle until it reaches the desired point.
Fire stream (IFSTA Pump Operator Pg 126)
NFPA 1002 requires that the driver/operator be able to perform functional tests on _______.
foam systems (IFSTA Pump Operator Pg 380)
Simultaneous ignition of room contents.
Flashover (IFSTA Pg 33)
The amount of heat required to raise the temperature of 1 gram of water 1° Celsius.
Calorie (IFSTA Pg 36)
The three ways heat can be transferred are _______, _______ and _______.
conduction, convection and radiation (IFSTA Pg 36)
The collapse zone should be equal to _______ the height of the building.
1½ times the height of the building (IFSTA Pg 74)
Point – to – point transfer of heat energy.
Conduction (IFSTA Pg 37)
The transfer of heat energy by the movement of heated liquid and gasses.
Convection (IFSTA Pg 37)
Flashover occurs in the range of approximately _______ to _______.
900° to 1200° fahrenheight (IFSTA Pg 50)
The transmission of heat energy as an electromagnetic wave without an intervening medium.
Radiation (IFSTA Pg 37)
The ratio of the mass of a given volume of a liquid compared with the mass of an equal volume of water.
Specific gravity (IFSTA Pg 39)
The density of a gas or vapor in relation to air.
Vapor density (IFSTA Pg 39)
A self-sustaining chemical reaction yielding energy or products that cause further reactions of the same kind.
Combustion (IFSTA Pg 40)
A rapid self-sustaining oxidation process accompanied by the evolution of heat and light of varying intensities.
Fire (IFSTA Pg 40)
The chemical decomposition of a substance through the action of heat.
Pyrolysis ( IFSTA Pg 42)
The transformation of a liquid to its vapor or gaseous state.
Vaporization (IFSTA Pg 43)
The minimum temperature at which self-sustaining combustion occurs for a specific substance.
Ignition temperature (IFSTA Pg 45 to 46)
Five stages of a compartment fire:
Ignition (I) Growth (Go) Flashover (Fuck) Fully Developed (Florence) Decay (Daily) (IFSTA Pg 48)
Indicators of backdraft potential:
Pressurized smoke exiting small openings Black smoke turning a dense grey yellow Confinement of fire and excessive heat Little or no visible flame Smoke appears to be breathing Smoke stained windows (IFSTA Pg 55)
Class A Fire
Ordinary combustibles (IFSTA Pg 58)
Class B Fire
Flammable and combustible liquids and gasses (IFSTA Pg 58)
Class C Fire
Energized electrical equipment (IFSTA Pg 58)
Class D Fires
Combustible metals (IFSTA Pg 59)
In residential areas, the recommended size for fire hydrant supply mains is at least _______ and should be closely gridded by _______ cross connecting mains at intervals of not more than _______.
inches, 8 inch, 600 feet (IFSTA Pg383)
A network of intermediate sized pipes that reinforce the grid within the various loops of the primary feeder system and aid the concentration of the required fire flow at any point.
Secondary feeds (IFSTA Pg 383)
_______ mains may be used on principle streets and in long mains not cross – connected at frequent intervals.
inch (IFSTA Pg 383)
Grid arrangement of smaller mains serving individual fire hydrants and blocks of consumers.
Distributors (IFSTA Pg 383)
Large pipes (mains) with relatively widespread spacing that convey large quantities of water to various points of the system for local distribution to smaller mains.
Primary feeders (IFSTA Pg 382)
A distribution system that provides a circulating feed from several mains constitutes a _______.
grid system (IFSTA Pg 382)
Reference made to the diameter of fire hose refers to the dimensions of the _______ of the hose.
inside diameter (IFSTA Pg 397)
A basic rule in hydrant placement is one hydrant near each street intersection and to place intermediate hydrants where distances between intersections exceed _______ to _______.
350 feet to 400 feet (IFSTA Pg 388)
On an OS&Y the threaded portion of the stem is OUT of the yoke when the valve is _______ and INSIDE the yoke when the valve is _______.
open, closed (IFSTA Pg 384)
The two types of fog nozzles with water flow adjustment are _______ and _______.
manually adjustable and automatic (constant pressure) (IFSTA Pg 495)
IFSTA defines a handline nozzle as a nozzle that _______ firefighters can safely handle that flows less than _______ gpm.
one – three, 350 gpm (IFSTA Pg 511)
At 212° F, water expands to approximately _______ its original volume.
1700 times (IFSTA Pg 488)
