P&A Numbers Flashcards
Common Pumper requirements:
Minimum pump capacity-___gpm Capacity increases in increments of ___gom
Minimum tank capacity-___gpm
Minimum pump capacity- 750 gpm
Capacity increases in increments of 250 gom
Minimum tank capacity-300 gallons
Page 14
Foam Proportioning Systems commonly found on municipal fire pumpers are scaled down version of those used for industrial fire pumpers. Likewise the foam tanks are correspondingly smaller, usually ranging from___-___gallons. These tanks are often designed to be refilled directly from ___ gallon containers.
20-100 gallon tanks
Filled with 5 gallon containers
Page 18
Mobile water supply apparatus, as stated in NFPA 1901 are equipped with a tank capacity of at least ____ gallons.
1000 gallon minimum
Page 17
Commonly known as brush breakers, brush trucks, or booster apparatus, these vehicles often have pump capacities and water tanks of ___ gallons or less.
500 gallons
Page 19
Fireboats:
Capacity- as high as ____gpm
Individual master streams- in excess of ___gpm
Capacity- as high as 50,000gpm
Individual master streams- in excess of 10,000gpm
Page 21
Quint:
Pump rating- minimum ___gpm
Tank size- at least ___gpm
Pump rating- minimum 1000 gpm
Tank size- at least 300 gpm
Page 22
Portable Generators are available with a variety of power capacity; ___watts is typically the largest capacity.
5000 watts
Page 23
Vehicle Mounted Generators have a larger capacity than portable units. Up to ____ W.
Rescue apparatus or other specialized units may feature fixed generators with capacities of ____ W or greater
12,000 watts
50,000 watts
Page 23
Some apparatus are equipped with banks of the lights. These installations generally have a capacity of ___-___ W per light
500-1500 watts per light
Page 24
Electrical Power Cords may be:
Gauge- ___
Wire-___
Volt-___
12 gauge
3 wire
600 volt
Page 24
Diesel exhaust may contain up to ___ horrible chemicals and compounds.
100 chemicals and compounds
Page 37
NFPA 1911 requires that all tires be replaced every___years, regardless of their condition.
7 yrs
Page 39
Per NFPA 1901 and 1911, a side to side variance in weight should not exceed ___%.
7%
Page 42
In general, steering wheel play should be no more than approximately ___° in either direction.
10°
Page 41
Most commercial and private vehicles built since____ are equipped with an anti-lock brake system.
1990
Page 42
Apparatus with airbrakes are to be equipped with an air pressure protection valve that prevents air horns or other nonessential devices from being operated when the pressure in the air reservoir drops below ___ psi.
80 psi
Page 43
Apparatus breaks should be thoroughly tested at least ____ using methods outlined in NFPA 1911.
Annually
Page 43
Engines produced after _____, may be equipped with an exhaust after treatment system called Selective Catalyst Reductant (SCB).
January 1, 2010
Page 45
Air Brake System Test:
Press brake and hold for __ min with no more than __psi drop.
Pump brakes- warning buzzer at __ psi
Air brake button should pop at __-__ psi
Start engine- pressure should build to __-__ in __sec
Meddle should stop climbing at __psi
Apply brake pedal lowering psi to __, ensure its rising.
Press brake and hold for 1 min with no more than 3 psi drop.
Pump brakes- warning buzzer at 60 psi
Air brake button should pop at 20-40 psi
Start engine- pressure should build to 85-100 in 45 sec
Meddle should stop climbing at 120-130 psi
Apply brake pedal lowering psi to 85 psi, ensure its rising.
Page 61
Testing apparatus road and parking brakes, step on the break firmly when the apparatus is moving about __ mph the apparatus should come to a complete stop within ___ feet.
5 mph
Stop in 20 feet
Page 62
Add windshield washer fluid if the tank is less _____
Less than half full
Page 65
According to the United States Fire Administration (USFA), ___ firefighters were killed responding to or returning from emergency incidents in 2010.
17 fatalities
Page 79
In studies it was determined that in __% of all collisions, the driver was not aware of a problem until it was too late.
42%
Page 88
While loading hose, the driver of the apparatus should drive only in a forward direction, straddling or to one side of the hose, at a speed of no greater than __ mph.
5 mph
Page 91
Beginning with engines produced in ____, apparatus began to be equipped with a diesel particulate filter (DPF).
yr 2007
Page 94
Failing to keep the DEF tank full may derate the apparatus engine. The apparatus may be limited to a speed of ___ mph and will need service from the dealer.
5 mph
Page 95
A hot diesel engine should cool to the normal operating temperature. Usually an idling time of ___-___minutes is sufficient.
3-5 minutes
Page 95
There are ___locations in the US where there is less than 100 feet following the railroad tracks. These sites account for an average of ___ accidents annually.
19,824 locations
122 accidents per year
Page 99
It may take ___-___times greater distance for a vehicle to come to a complete stop on snow and ice.
3-15x
Page 99
At speeds above ___ mph, an emergency vehicle may outrun the effective range of its audible warning devices.
50 mph
Page 101
In some cases, increasing the speed of an apparatus by ___ mph can decrease the audible distance by ___ feet or more.
20 mph
250 feet
Page 101
When more than one emergency vehicle is responding along the same route, they should travel at least ___-___feet apart.
300-500 feet apart
Page 101
NFPA 1901 requires that all apparatus with a GVWR of ___ pounds or greater be equipped with an auxiliary braking system.
36,000 lbs
Page 109
Snow chains may be ineffective in snow deeper than __-__ inches.
3-6 inches
Page 111
When backing position lights to illuminate the area where the spotter will be standing approximately __-___feet behind the apparatus.
8-10 feet back
Page 113
Sound ___ short blast of the vehicles horn immediately before backing.
2 short blasts
Page 113
While laying supply line, maintain a vehicle speed of 5 mph or less. At 5 mph __ feet of hose is pulled out each second.
7 ft per sec
Page 120
Equipment not needed while driving to the scene must be secured in brackets that must be capable of restraining equipment against a force up to ___ times the equipment weight.
10x the weight
Page 120
High pressure hydraulic fluid at pressures as low as ___ psi can penetrate skin.
100 psi
Page 122
Shut down the engine immediately if you oil pressure gauge does not fall within manufacturers recommendations within ___-___seconds.
5-10 seconds
Page 125
Depending on the incident, apparatus, equipment, and personnel operating within ____ feet of the base of a high-rise fire may need to be protected from falling glass and debris.
200 feet
Page 139
In Tandem Pumping Operations apparatus may be located up to ___ feet apart.
300 feet apart
Page 145
It may require ___-___ miles for a fully loaded train to come to a complete stop.
1-2 miles
Page 154
Apparatus should maintain a clear zone of at least ___ feet from railroad tracks.
30 feet
Page 155
Water weights:
Pounds per square ft- ____
Pounds per gallon- ____
1 square inch column, 1 foot heigh- ___ lbs
A column of water ____ feet heigh exerts 1 psi
- 4 lbs sq/ft
- 3 lbs sq/ft
1 square inch column, 1 foot heigh- .434 psi
A column of water 2.304 feet heigh exerts 1 psi
Page 167 and 171
At 212°, water converted to steam occupies approximately ____ times its original volume.
1700x
Page169
Mercury is ____ times denser than water.
13.55x denser
Page 173
A pressure of 1 psi makes a column of mercury rise ___ inches.
At sea level, the column of mercury is ___ inches tall.
- 04 inches tall at 1 psi
- 9 inches tall at sea level-(2.04x14.7 atmospheric pressure)
Page 174
Above sea level, atmospheric pressure decreases approximately ___ psi for every 1000 feet.
.5 psi per 1000 feet
Page 176
The friction loss in older hose may be as much as ____% greater than that of new hose.
50% greater lose
Page 177
Water is virtually incompressible, a pressure of ___ psi is required to reduce volume by 1%
30,000 psi
Page 179
At least ____, water main valves should be operated to keep them in good condition.
Annually
Page 186
Solid stream nozzles on handlines should generally be operated at a maximum of ___ psi nozzle pressure, while master stream appliances should be operated at a maximum of ___ psi
50 psi handline
80 psi master stream
Page 194
Fog patterns-
Narrow fog- ___° -___°
Wind fog- ___ ° -___°
Straight stream patterns-
Narrow- ___°
Wide angle- ___°
Fog patterns-
Narrow fog- 15° - 45°
Wind fog- 45° - 80°
Straight stream patterns-
Narrow- 30°
Wide angle- 60°
Page 196
Most Constant Flow Fog and Automatic Fog Nozzles are designed to operate at a nozzle pressure of ___ psi. However, some nozzles may be operated a ___ or ___ psi.
100 psi
50 or 75 psi
Page 197
High-Pressure Fog Nozzles can operate at pressures up to ___ psi. These nozzles are best suited for wildland fires and are not recommended for structural firefighting due to their low flow of only ___-___ GPM.
800 psi
8-15 gpm
Page 199
Handline size/ gpm-
3/4- 3 inch
Up to 350 gpm
Page 199
Master Stream pressures/gpm-
Smooth- ____psi
Fog- ___psi
Gpm- ___ or greater
Smooth- 80 psi
Fog- 100 psi
Gpm- greater than 350 gpm
Piercing Nozzles-
Length- ___-___foot
Diameter- ___inch
gpm- ___
psi- ___
Length- 3-6 foot
Diameter- 1 1/2inch
gpm-125 gpm
psi- 100 psi
Page 201
Chimney Nozzles-
Flow- ___-___ gpm
Pressures- ___
Flow- 1.5-3 gpm
Pressures- 100 psi
Page 201
When two hose lines of equal length are Siamese to supply a fire stream, friction loss is approximately ___% less than that of a single hose line at the same nozzle pressure.
25% less
Page 216
Flow meters must display flow in increments of ___ GPM or less.
10 GPM or less
Page 282
With proper calibration, a flow meter in good working order should be accurate to a tolerance of plus or minus___%.
3%
Page 282
Each discharged equipped with a flowmeter must have a digital readout displayed within ___ inches of the control valve for that discharge. If a pressure gauge is mounted at that location, then the flowmeter must be mounted within ___ inches adjacent to the pressure gauge.
6 inches
2 inches
Page 282
The friction loss in an 1.5 inch hose is equal to the friction loss in a 2.5 inch hose that is flowing ____times as much water.
4x
Page 288
Single-Stage Centrifugal Pumps provide flow capacities up to_____ GPM.
2,250 gpm
Page 300
In Parallel Mode, a Centrifugal Pump will be capable of supplying 100% of its rated capacity at____ psi, at ___ feet of lift with ___ feet of suction hose while drafting.
150 psi
10 feet of lift
20 feet of hard suction
Page 303
Many power operated Transfer Valves operate at pressures as high as ___ psi.
200 psi
Page 303
A very close tolerance must be maintained between the fire pump casing and the hub of the impellers. This opening is usually limited to ___ inch or less.
.01 inch or less
Page 304
Auxiliary Engine Driven Pumps usually have pumping capacities of ___ GPM or less.
500 gpm or less
Page 307
With the engine idling and the pump engaged, most speedometers will indicate between ___-___mph.
10-15 mph
Page 310
The piping system of the fire pump itself must be capable of withstanding a hydrostatic test of ___ psi before being placed in service.
500psi
Page 312
Pumpers with a capacity of 500 GPM or less should have intake piping capable of flowing ___ GPM. Pumpers with a capacity greater than 500 should be able to flow at least ___GPM.
500 or less should flow 250 gpm
More than 500 should flow 500 gpm
As a minimum, all fire apparatus with a rated pump capacity of 750 GPM or greater must be equipped with at least two ___inch discharge.
2- 2.5 inch discharge
Page 314
All valves should be designed and maintain so that they are easily operated at pressures up to___ psi.
250 psi
Page 314
Apparatus equipped with tanks less than 1000 gallons must have a tank fill line of at least ___ inch in diameter. Tanks greater than 1000 must be provided with at least ___ inch tank field lines.
Less than 1000= 1 inch
Greater than 1000= 2 inch
Page 315
NFPA 1901 requires that all intakes or discharges that are 3 inches or greater be equipped with SALOW ACTING VALVES. This feature prevents the valves movement from open to close (or vice versa) in less than ___ seconds.
3 seconds
Page 317
Automatic Pressure Control Devices must operate within ___-___seconds after the discharge pressure rises and restricts the pressure from exceeding ___ psi above the set level.
3-10 seconds
30 psi above
Page 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 operating pressure.
10psi
Page 320
Electronic Pressure Governors also feature cavitation protection by returning the engine to idle when intake pressure drops below ___ psi.
30 psI
Page 321
The general RPM priming range is between ___-___ RPMs
1000-1200 RPMs
Page 322
The Master Intake Gauge is usually calibrated from ___-___psi of positive pressure and ___-___inches of mercury for a vacuum.
0-600 psi positive
0-30 vacuum
Page 324
Most fire pumps are able to develop a vacuum capacity of approximately ___ inches of mercury.
22 inches
Page 354
Low level strainer. These strainers are designed to sit directly on the bottom of the tank or pool and allow water to be effectively draft it down to a depth of approximately ___inches.
2 inches
Water below ___° or above ___° may adversely impact the ability of the pump to reach capacity.
Below 35°
Above 90°
Page 356
A pumper in good working order can lift water a maximum of ___feet.
25 feet of lift
Page 357
To create ineffective fire stream, a lift of no greater than ___ feet is recommended. Working with this lift, a pump operates at about ___% of its ready capacity.
20 feet of lift will give you 60% of your pump capacity.
Page 357
The entire prime in action typically takes ___-___seconds from start to finish. However, went up to 20 feet of intake hose lifting a maximum of 10 vertical feet, it may take as long as ___seconds (___ for larger pump of 1250 gpm) to accomplish this.
10-15 seconds
30 seconds
45 seconds
Page 359
If no specific information is available, the general guideline is to discharged ___ psi into the FDC.
150 psi
Page 363
Do not use pump discharge pressure in excess of ___ psi unless the standpipe system has been designed to function under high-pressure.
185 psi
Page 365
Charge lines to the FDC to the required appropriate for sprinklers/standpipe support.
___ for 1.5 inch
___ for 2.5 inch
100 psi for 1.5 inch
150 psi for 2.5 inch
Page 398
Theoretical Lift
Maximum Lift
Dependable Lift
33.9 feet
25 feet
14.7 feet
Page 404
All fire department pumping apparatus are rated when drafting with ;
Lift of___feet
Intake hose length of___feet
Strainer ___deep
In ___foot of water
Pump produces 70% capacity at ___feet
Pump produces 60% capacity at___feet
Lift of 10 feet
Intake hose length of 20 feet
Strainer 2 feet deep
In 4 foot of water
Pump produces 70% capacity at 15 feet
Pump produces 60% capacity at 20feet
Page 406
Floating Pumps placed in an adequate water source can develop and maintain a flow of up to___gpm.
500 gpm
Page 411
Floating Strainers may be used for water as shallow as ___foot.
1 foot
Page 412
A cistern typically ranges from____-____ gallons.
10,000-100,000 gallons
Page 415
Private water storage tanks they range in size from _____-_____of gallons of water
Several hundred to tens of thousands
Page 415
Ground reservoirs typically contain ____ of gallons of water.
Many millions of gallons
Page 415
Agricultural Irrigation Systems in some jurisdictions may flow in excess of____GPM.
1000 GPM
Page 418
Fire department pumpers are rated to flow their maximum volume at 150 psi, ___% of their max at 200 psi and ___% of their max at 250 psi.
70% at 200 psi
60% at 250 psi
Page 429
Intake Pressure Relief Valve setting:
Relay- ___psi above discharge of previous relay
Attack- ___-___ psi to establish good operation conditions.
Relay- 10 psi above discharge of previous relay
Attack- 50-70 psi to establish good operation conditions.
Page 434
Vehicle weight restrictions generally limit single rear axle apparatus to a maximum capacity of ____gallons.
2000 gallons
Page 446
Tenders featuring pumps of ___ GPM or greater are often called Pumper Tenders.
750 GPM or greater
Page 446
The Vacuum Tender is able to self fill from a static source at a rate of ___ GPM with a lift up to ___ feet. This apparatus is also capable of discharging its water tank at a rate of ___ GPM.
Fill rate- 2000 GPM
Lift- 22 feet
Discharge rate- 1750 GPM
Gravity dumps on water tenders are often ___ inch or larger round square piping with a valve that extends to the exterior of the vehicle.
8 inch
Page 448
A single portable tank operation is generally adequate for fire fighting operations that require relatively low flow rates of less than___GPM.
300 GPM
Page 462
Any portable tank should have a capacity of at least ___ gallons larger than the water tank on the apparatus.
500 gallons
Incidents that require a flow rate in excess of 300 GPM are best served with multiple tank operations. Most multi-tank operations use from ___-___ portable tanks.
2-5 tanks
Page 463
For operations that require more than three tanks, jets siphons, and flows over ___ GPM, parallel jet siphons should be used to transfer water from tank to tank.
500 GOM
Page 464
Many modern fuel’s, including gasoline, are blended with up to ___% solvent additives.
15% additives
Page 480
Class A Foams percent range:
Total- ___-___%
Attack- ___-___%
CAFS-___-___%
Air Aspirating Foam Nozzles- ___-___%
Exposure protection- ___-___%
Total- .1 -1%
Attack- .2 -.5%
CAFS- .2 -.5%
Air Aspirating Foam Nozzles- .3 -.7%
Exposure protection- .5- 1%
Pages 482 and 488
Foam Storage:
Pails-___gallons
Barrels-___gallons
Totes-___gallons
Apparatus tanks- ___-___gallons or Tenders at ___gallons
Pails- 5 gallons
Barrels- 55 gallons
Totes- 275 gallons
Apparatus tanks- 20-200 gallons or Tenders at 8000 gallons
Page 485
Shelf life of properly stored Class A foam solution:
20 years
Page 487
Shelf life of Class B Foam concentrates stored in cool areas:
10 years for protein-based
20-25 years for synthetic foams
Page 489
Class B foams are mixed in proportioners from___-___%.
Hydrocarbon fires- ___-___%
Polar solvent fires-___-___%
1-6%
Hydrocarbon fires- 1 - 3%
Polar solvent fires-3 - 6%
Page 490
NFPA 11 Air/Solution Ratios:
Low expansion- ___ ratio
Medium expansion- ___ up to ___ratio
High expansion- ___ up to ___ratio
Low- 20:1
Medium-20:1 up to 200:1
High- 200:1 up to 1000:1
Page 490
The alcohol resistive properties of Fluoroprotein Foams will be effective for approximately ___ minutes.
15 minutes
Page 492
In-Line Foam Eductors-
Pressure at the discharge side must not exceed ___% of the inlet pressure.
Inlet pressure usually set between___-___psi
Foam eductor should not be higher than ___ft over concentrate
Rinse eductor after use for ___minutes.
Pressure at the discharge side must not exceed 70% of the inlet pressure.
Inlet pressure usually set between 150-200psi
Foam eductor should not be higher than 6ft over concentrate
Rinse eductor after use for 1 minute
Page 495
Some Master Stream Foam Nozzles are capable of delivering ___ GPM.
A major advantage of self-educting nozzle is the pressure drop is much lower (___% or less) than most standard foam nozzle eductors.
1400 GPM
10% or less
Page 496
Jet Ratio Controller (JRC) foam eductors allow the foam concentrate supply to be located as far as ____ feet away from the self-educting master stream nozzle.
JRC proportioning is educated at ___ % before being further proportioned by the by the master stream nozzle to 3%.
3000 feet
66.5%
Page 497
In the open position the Around the Pump valve allows approximately ___-___GPM to flow through the piping.
10-40 GPM
page 498
Variable Flow Variable Rate Direct Injection systems proportion foam concentrate at a rate from ___-___%
.1 -3%
Page 500
Class A Foam solutions do not retain their foaming properties when mixed in water for more than ___hours making pre-mixing virtually impossible.
24hrs
Page 501
Foam expansion ratios for most fog nozzles are in the ___ up to ___ range.
2:1 up to 4:1 ration
Page 504
Durable Agents (Gelling Agents) application:
Extinguishment- ___%
Fire line- ___-___%
Structural protection- ___-___% Whit this application DA will adhere to vertical surfaces for__hrs.
Extinguishment- 1%
Fire line- 1.5- 2%
Structural protection- 2 - 3% Whit this application DA will adhere to vertical surfaces for 24hrs.
Page 509
Road Test:
Accelerate to ___mph in ___ seconds
Max top speed of ___mph
Full stop from 20mph in ___feet
Accelerate to 35 mph in 25 seconds
Max top speed of 50 mph
Full stop from 20mph in 35 feet
Page 516
The pump body as well as the entire intake and discharge piping systems are subjected to a minimum Hydrostatic Test pressure of ___ psi for a minimum of ___ minutes.
500psi
For 10 minutes
Page 517
In jurisdictions that are higher than ____ feet above sea level, a PUMP ENGINE OVERLOAD TEST must be performed as part of the Acceptance Testing.
2000 feet
Page 518
When testing, The distance of the centerline of the pump intake above the surface of the water is based on its capacity. For pumps rated at ___ GPM or less, 10 feet is the max distance while ___ GPM pumps use a 6 foot maximum lift.
Air temp between ___° and ___°
Barometric pressure at least ___ inches
1 inch barometric pressure drop reduces the static lift __foot
1500 GPM - 10 foot max lift
2000 GPM - 6 foot max lift
Temp from - 0° to 110°
Barometric pressure- at least 29 inches
1 inch barometric drop = reduces lift 1
foot
Page 519
When testing hose a scribe mark should be made at the coupling. If the marc is found to have moved than ___ of an inch stop the test and replace those.
3/8 of an inch
Page 519
For testing purposes all gauges used for service testing must be calibrated within ___ days of testing.
Discharge gauge must be within ___% accuracy.
60 days
5% accuracy
Page 521
Flowmeters, within + or - ____% of accuracy, increased efficiency over pitot gauges when determining flow from the nozzles during a pump test.
Within +/- 5%
Page 522
During a Priming System Test fire pumps of 1250 GPM capacity must achieve prime in ___ seconds or less, and those rated at 1500 GPM must be primed within___ seconds.
1250= 30 seconds or less
1500= 45 seconds or less
Page 524
During pump testing, if a handheld pitot gauge is used instead of a fixed pitot gauge, it should be held with the blade opening at the end of the stream with the tip approximately_____from the end of the nozzle.
1/2 the nozzle diameter from the end of the nozzle
Page 525
During testing, the difference in reading between the flowmeter and the pitot gauge must not be more than ___%.
10%
Page 525
During tank to pump flow test, pumpers with an onboard tank capacity of 500 gallons or less must be capable of following ___ GPM from there onboard tank. Pumpers with a capacity of greater than 500 must be capable of flowing at least___ GPM.
250 GPM
At least 500 GPM
Page 526
Depending on the manufacturer of the aerial device, the hydraulic fluid may be under pressure of ____psi or more.
Norman hydraulic operating pressure- ___-___psi
3500 psi
Normal- 850-3,000 psi
Page 547 and 551
Hydraulic hoses must be rated withstand pressures at least ___times greater than normal operating pressures.
4 x greater
Page 548
Aerial ladder apparatus length-
Fully extended working length- ___-___feet
50-137 feet
Page 552
Requirements of all Elevated Platforms-
Leveling system Minimum platform floor area -\_\_\_sq/ft Rail enclosure No opening under rail greater than\_\_\_inches 2 gates \_\_\_inch kick plate 2 control stations Heat shield Water curtain at least \_\_\_GPM \_\_\_ lbs load capacity dry and \_\_\_ lbs when charged Discharge at least \_\_\_GPM at \_\_\_psi
Leveling system Minimum platform floor area -14 sq/ft Rail enclosure No opening under rail greater than 24 inches 2 gates 4 inch kick plate 2 control stations Heat shield Water curtain at least 75 GPM 750 lbs load capacity dry and 500 lbs when charged Discharge at least 1000 GPM at 100psi
Page 557
Elevating platforms that are 110 feet or shorter should be able to be raised from the bedded position to maximum elevation and extension and rotated 90° in ___ seconds or less.
150 seconds or less
Page 557
Aerial Ladder Platforms commonly range in size from ___-___feet.
85-110 feet
Page 558
Telescoping Ariel Platforms in the US range from ___-___ feet.
75-100 feet
Page 558/559
Standard Articulating Aerial Platforms range in height from ___-___ feet.
55-85 feet
Page 559
Over the years, several manufacturers have developed aerial devices that both telescope and articulate. These Combination Aerial Devices range in height from ___-___ feet.
90-174 feet
Page 560
Most Water Towers are designed so that their fire stream can be deployed at a range of elevation starting from a few degrees below horizontal to nearly 90° from the ground. Common size water towers range from___-___ feet. They are capable of maximum flow ranges from ___-___GPM.
50-130 feet
1000- 5000 GPM
Page 560
Bed Ladder Systems pipe diameter-
3 or 3.5 inch
Page 567
Detachable Ladder Pipes are typically limited to flows of less than ___GPM
The hose should be secured by straps at a minimum of ___-___ locations.
Sideways movement of the nozzle is restricted to about ___° either side of center.
750 GPM
2-3 locations
15° either side of center (30°)
Page 569/560/561
Common recommended lengths of electrical cords should not exceed ___feet per reel or cord.
200 feet
Page 576
Hydraulic hose distances ___ feet or greater from the hydraulic pump may have a negative affect on the tool operation.
100 feet or greater
Page 577
NFPA 1901 requires aerial apparatus to be equipped with multiple salvage covers and ___ scoop shovels to assist with salvage and overhaul efforts.
2 scoop shovels
Page 579
Nondestructive testing is conducted every ___years.
5 years
Page 586
A long-standing fire service standard has been to provide ___ feet of clearance between the aerial device and overhead high-voltage lines energized from 600-50,000 V, and ___ feet of clearance for high-voltage transmission lines over 50,000 volts.
New OSHA standard- ___feet at less than 350 kilovolts and ___ feet for higher than 350 kilovolts.
10 feet for 600-50k volts
50 feet for 50k+ volts
New OSHA standard is 20 feet for less than 350 kilovolts and 50 feet for higher than 350 kilovolts.
Page 617
The maximum loading for an unsupported aerial device occurs when operated at angles between ____° and ____° from horizontal.
70° and 80° from horizontal
Page 622
Consider parking additional apparatus ___-___ feet behind the shielding apparatus to act as an additional barrier.
150-200 feet behind
Page 626
Most railroad companies advise that vehicles be kept at least ___ feet from the tracks when possible. Even when a halt confirmation has been received keep the aerial device at least ___ feet above the level of the rails as an added safety precaution.
25 feet
25 feet
Page 627
Transferring PTOBpower to the hydraulic system pneumatically requires anywhere from ___-___ psi air pressure for the PTO to be operated.
50-140 psi
Page 645/646
Place wheel chocks in front and behind on both sides of the apparatus ___inch from the tire.
1 inch gap
Page 651
Stabilizer pad dimensions-
24x24 inch
Page 655
Fulcrum stabilizer should be lowered to within ___ inches of the ground prior to the placement of the stabilizer pad.
A few inches
Page 657
Correction of lateral unevenness is possible on grades up to ___%.
5%
Page 658
When using fall protection on an aerial device never use a feature that will allow the clip to slide for more than___inches.
A few inches
Page 676
75-80-80 is for use with Detachable Ladder Pipes and represents:
75° elevation
80% extension
80 psi
Page 690
The limit of ice build up allowed by NFPA 1901 is ___inch on all surfaces.
1/4 inch
Page 693
1 in.³ of ice weighs ___lbs
1 cubic inch of ice weighs .03lbs
Page 695
When removing trapped victims from a roof, the tip of the aerial ladder should be placed so that at least___feet extend above the edge of the roof.
Aerial platform should be placed so that the bottom of the platform is:
At least 6 feet
Bottom is just over the edge of the roof
Page 727
When using a 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°
Page 741
Wear hearing protection during service testing when decimals reach:
90 decimals
Page 522
