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Aarons Drivers Test NUMBERS > P&A Numbers > Flashcards

P&A Numbers Flashcards

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1
Q

Common Pumper requirements:

Minimum pump capacity-___gpm Capacity increases in increments of ___gom

Minimum tank capacity-___gpm

A

Minimum pump capacity- 750 gpm

Capacity increases in increments of 250 gom

Minimum tank capacity-300 gallons

Page 14

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2
Q

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.

A

20-100 gallon tanks

Filled with 5 gallon containers

Page 18

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3
Q

Mobile water supply apparatus, as stated in NFPA 1901 are equipped with a tank capacity of at least ____ gallons.

A

1000 gallon minimum

Page 17

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4
Q

Commonly known as brush breakers, brush trucks, or booster apparatus, these vehicles often have pump capacities and water tanks of ___ gallons or less.

A

500 gallons

Page 19

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5
Q

Fireboats:

Capacity- as high as ____gpm

Individual master streams- in excess of ___gpm

A

Capacity- as high as 50,000gpm

Individual master streams- in excess of 10,000gpm

Page 21

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6
Q

Quint:

Pump rating- minimum ___gpm

Tank size- at least ___gpm

A

Pump rating- minimum 1000 gpm

Tank size- at least 300 gpm

Page 22

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7
Q

Portable Generators are available with a variety of power capacity; ___watts is typically the largest capacity.

A

5000 watts

Page 23

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8
Q

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

A

12,000 watts

50,000 watts

Page 23

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9
Q

Some apparatus are equipped with banks of the lights. These installations generally have a capacity of ___-___ W per light

A

500-1500 watts per light

Page 24

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10
Q

Electrical Power Cords may be:

Gauge- ___

Wire-___

Volt-___

A

12 gauge

3 wire

600 volt

Page 24

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11
Q

Diesel exhaust may contain up to ___ horrible chemicals and compounds.

A

100 chemicals and compounds

Page 37

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12
Q

NFPA 1911 requires that all tires be replaced every___years, regardless of their condition.

A

7 yrs

Page 39

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13
Q

Per NFPA 1901 and 1911, a side to side variance in weight should not exceed ___%.

A

7%

Page 42

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14
Q

In general, steering wheel play should be no more than approximately ___° in either direction.

A

10°

Page 41

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15
Q

Most commercial and private vehicles built since____ are equipped with an anti-lock brake system.

A

1990

Page 42

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16
Q

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.

A

80 psi

Page 43

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17
Q

Apparatus breaks should be thoroughly tested at least ____ using methods outlined in NFPA 1911.

A

Annually

Page 43

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18
Q

Engines produced after _____, may be equipped with an exhaust after treatment system called Selective Catalyst Reductant (SCB).

A

January 1, 2010

Page 45

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19
Q

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.

A

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

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20
Q

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.

A

5 mph

Stop in 20 feet

Page 62

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21
Q

Add windshield washer fluid if the tank is less _____

A

Less than half full

Page 65

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22
Q

According to the United States Fire Administration (USFA), ___ firefighters were killed responding to or returning from emergency incidents in 2010.

A

17 fatalities

Page 79

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23
Q

In studies it was determined that in __% of all collisions, the driver was not aware of a problem until it was too late.

A

42%

Page 88

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24
Q

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.

A

5 mph

Page 91

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25
Q

Beginning with engines produced in ____, apparatus began to be equipped with a diesel particulate filter (DPF).

A

yr 2007

Page 94

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26
Q

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.

A

5 mph

Page 95

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27
Q

A hot diesel engine should cool to the normal operating temperature. Usually an idling time of ___-___minutes is sufficient.

A

3-5 minutes

Page 95

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28
Q

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.

A

19,824 locations

122 accidents per year

Page 99

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29
Q

It may take ___-___times greater distance for a vehicle to come to a complete stop on snow and ice.

A

3-15x

Page 99

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30
Q

At speeds above ___ mph, an emergency vehicle may outrun the effective range of its audible warning devices.

A

50 mph

Page 101

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31
Q

In some cases, increasing the speed of an apparatus by ___ mph can decrease the audible distance by ___ feet or more.

A

20 mph

250 feet

Page 101

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32
Q

When more than one emergency vehicle is responding along the same route, they should travel at least ___-___feet apart.

A

300-500 feet apart

Page 101

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33
Q

NFPA 1901 requires that all apparatus with a GVWR of ___ pounds or greater be equipped with an auxiliary braking system.

A

36,000 lbs

Page 109

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34
Q

Snow chains may be ineffective in snow deeper than __-__ inches.

A

3-6 inches

Page 111

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35
Q

When backing position lights to illuminate the area where the spotter will be standing approximately __-___feet behind the apparatus.

A

8-10 feet back

Page 113

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36
Q

Sound ___ short blast of the vehicles horn immediately before backing.

A

2 short blasts

Page 113

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37
Q

While laying supply line, maintain a vehicle speed of 5 mph or less. At 5 mph __ feet of hose is pulled out each second.

A

7 ft per sec

Page 120

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38
Q

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.

A

10x the weight

Page 120

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39
Q

High pressure hydraulic fluid at pressures as low as ___ psi can penetrate skin.

A

100 psi

Page 122

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40
Q

Shut down the engine immediately if you oil pressure gauge does not fall within manufacturers recommendations within ___-___seconds.

A

5-10 seconds

Page 125

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41
Q

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.

A

200 feet

Page 139

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42
Q

In Tandem Pumping Operations apparatus may be located up to ___ feet apart.

A

300 feet apart

Page 145

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43
Q

It may require ___-___ miles for a fully loaded train to come to a complete stop.

A

1-2 miles

Page 154

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44
Q

Apparatus should maintain a clear zone of at least ___ feet from railroad tracks.

A

30 feet

Page 155

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45
Q

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

A
  1. 4 lbs sq/ft
  2. 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

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46
Q

At 212°, water converted to steam occupies approximately ____ times its original volume.

A

1700x

Page169

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47
Q

Mercury is ____ times denser than water.

A

13.55x denser

Page 173

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48
Q

A pressure of 1 psi makes a column of mercury rise ___ inches.

At sea level, the column of mercury is ___ inches tall.

A
  1. 04 inches tall at 1 psi
  2. 9 inches tall at sea level-(2.04x14.7 atmospheric pressure)

Page 174

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49
Q

Above sea level, atmospheric pressure decreases approximately ___ psi for every 1000 feet.

A

.5 psi per 1000 feet

Page 176

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50
Q

The friction loss in older hose may be as much as ____% greater than that of new hose.

A

50% greater lose

Page 177

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51
Q

Water is virtually incompressible, a pressure of ___ psi is required to reduce volume by 1%

A

30,000 psi

Page 179

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52
Q

At least ____, water main valves should be operated to keep them in good condition.

A

Annually

Page 186

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53
Q

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

A

50 psi handline

80 psi master stream

Page 194

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54
Q

Fog patterns-

Narrow fog- ___° -___°

Wind fog- ___ ° -___°

Straight stream patterns-

Narrow- ___°

Wide angle- ___°

A

Fog patterns-

Narrow fog- 15° - 45°

Wind fog- 45° - 80°

Straight stream patterns-

Narrow- 30°

Wide angle- 60°

Page 196

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55
Q

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.

A

100 psi

50 or 75 psi

Page 197

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56
Q

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.

A

800 psi

8-15 gpm

Page 199

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57
Q

Handline size/ gpm-

A

3/4- 3 inch

Up to 350 gpm

Page 199

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58
Q

Master Stream pressures/gpm-

Smooth- ____psi

Fog- ___psi

Gpm- ___ or greater

A

Smooth- 80 psi

Fog- 100 psi

Gpm- greater than 350 gpm

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59
Q

Piercing Nozzles-

Length- ___-___foot

Diameter- ___inch

gpm- ___

psi- ___

A

Length- 3-6 foot

Diameter- 1 1/2inch

gpm-125 gpm

psi- 100 psi

Page 201

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60
Q

Chimney Nozzles-

Flow- ___-___ gpm

Pressures- ___

A

Flow- 1.5-3 gpm

Pressures- 100 psi

Page 201

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61
Q

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.

A

25% less

Page 216

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62
Q

Flow meters must display flow in increments of ___ GPM or less.

A

10 GPM or less

Page 282

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63
Q

With proper calibration, a flow meter in good working order should be accurate to a tolerance of plus or minus___%.

A

3%

Page 282

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64
Q

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.

A

6 inches

2 inches

Page 282

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65
Q

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.

A

4x

Page 288

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66
Q

Single-Stage Centrifugal Pumps provide flow capacities up to_____ GPM.

A

2,250 gpm

Page 300

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67
Q

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.

A

150 psi

10 feet of lift

20 feet of hard suction

Page 303

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68
Q

Many power operated Transfer Valves operate at pressures as high as ___ psi.

A

200 psi

Page 303

69
Q

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.

A

.01 inch or less

Page 304

70
Q

Auxiliary Engine Driven Pumps usually have pumping capacities of ___ GPM or less.

A

500 gpm or less

Page 307

71
Q

With the engine idling and the pump engaged, most speedometers will indicate between ___-___mph.

A

10-15 mph

Page 310

72
Q

The piping system of the fire pump itself must be capable of withstanding a hydrostatic test of ___ psi before being placed in service.

A

500psi

Page 312

73
Q

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.

A

500 or less should flow 250 gpm

More than 500 should flow 500 gpm

74
Q

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.

A

2- 2.5 inch discharge

Page 314

75
Q

All valves should be designed and maintain so that they are easily operated at pressures up to___ psi.

A

250 psi

Page 314

76
Q

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.

A

Less than 1000= 1 inch

Greater than 1000= 2 inch

Page 315

77
Q

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.

A

3 seconds

Page 317

78
Q

Automatic Pressure Control Devices must operate within ___-___seconds after the discharge pressure rises and restricts the pressure from exceeding ___ psi above the set level.

A

3-10 seconds

30 psi above

Page 319

79
Q

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.

A

10psi

Page 320

80
Q

Electronic Pressure Governors also feature cavitation protection by returning the engine to idle when intake pressure drops below ___ psi.

A

30 psI

Page 321

81
Q

The general RPM priming range is between ___-___ RPMs

A

1000-1200 RPMs

Page 322

82
Q

The Master Intake Gauge is usually calibrated from ___-___psi of positive pressure and ___-___inches of mercury for a vacuum.

A

0-600 psi positive

0-30 vacuum

Page 324

83
Q

Most fire pumps are able to develop a vacuum capacity of approximately ___ inches of mercury.

A

22 inches

Page 354

84
Q

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.

A

2 inches

85
Q

Water below ___° or above ___° may adversely impact the ability of the pump to reach capacity.

A

Below 35°

Above 90°

Page 356

86
Q

A pumper in good working order can lift water a maximum of ___feet.

A

25 feet of lift

Page 357

87
Q

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.

A

20 feet of lift will give you 60% of your pump capacity.

Page 357

88
Q

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.

A

10-15 seconds

30 seconds

45 seconds

Page 359

89
Q

If no specific information is available, the general guideline is to discharged ___ psi into the FDC.

A

150 psi

Page 363

90
Q

Do not use pump discharge pressure in excess of ___ psi unless the standpipe system has been designed to function under high-pressure.

A

185 psi

Page 365

91
Q

Charge lines to the FDC to the required appropriate for sprinklers/standpipe support.

___ for 1.5 inch

___ for 2.5 inch

A

100 psi for 1.5 inch

150 psi for 2.5 inch

Page 398

92
Q

Theoretical Lift

Maximum Lift

Dependable Lift

A

33.9 feet

25 feet

14.7 feet

Page 404

93
Q

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

A

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

94
Q

Floating Pumps placed in an adequate water source can develop and maintain a flow of up to___gpm.

A

500 gpm

Page 411

95
Q

Floating Strainers may be used for water as shallow as ___foot.

A

1 foot

Page 412

96
Q

A cistern typically ranges from____-____ gallons.

A

10,000-100,000 gallons

Page 415

97
Q

Private water storage tanks they range in size from _____-_____of gallons of water

A

Several hundred to tens of thousands

Page 415

98
Q

Ground reservoirs typically contain ____ of gallons of water.

A

Many millions of gallons

Page 415

99
Q

Agricultural Irrigation Systems in some jurisdictions may flow in excess of____GPM.

A

1000 GPM

Page 418

100
Q

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.

A

70% at 200 psi

60% at 250 psi

Page 429

101
Q

Intake Pressure Relief Valve setting:

Relay- ___psi above discharge of previous relay

Attack- ___-___ psi to establish good operation conditions.

A

Relay- 10 psi above discharge of previous relay

Attack- 50-70 psi to establish good operation conditions.

Page 434

102
Q

Vehicle weight restrictions generally limit single rear axle apparatus to a maximum capacity of ____gallons.

A

2000 gallons

Page 446

103
Q

Tenders featuring pumps of ___ GPM or greater are often called Pumper Tenders.

A

750 GPM or greater

Page 446

104
Q

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.

A

Fill rate- 2000 GPM

Lift- 22 feet

Discharge rate- 1750 GPM

105
Q

Gravity dumps on water tenders are often ___ inch or larger round square piping with a valve that extends to the exterior of the vehicle.

A

8 inch

Page 448

106
Q

A single portable tank operation is generally adequate for fire fighting operations that require relatively low flow rates of less than___GPM.

A

300 GPM

Page 462

107
Q

Any portable tank should have a capacity of at least ___ gallons larger than the water tank on the apparatus.

A

500 gallons

108
Q

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.

A

2-5 tanks

Page 463

109
Q

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.

A

500 GOM

Page 464

110
Q

Many modern fuel’s, including gasoline, are blended with up to ___% solvent additives.

A

15% additives

Page 480

111
Q

Class A Foams percent range:

Total- ___-___%

Attack- ___-___%

CAFS-___-___%

Air Aspirating Foam Nozzles- ___-___%

Exposure protection- ___-___%

A

Total- .1 -1%

Attack- .2 -.5%

CAFS- .2 -.5%

Air Aspirating Foam Nozzles- .3 -.7%

Exposure protection- .5- 1%

Pages 482 and 488

112
Q

Foam Storage:

Pails-___gallons

Barrels-___gallons

Totes-___gallons

Apparatus tanks- ___-___gallons or Tenders at ___gallons

A

Pails- 5 gallons

Barrels- 55 gallons

Totes- 275 gallons

Apparatus tanks- 20-200 gallons or Tenders at 8000 gallons

Page 485

113
Q

Shelf life of properly stored Class A foam solution:

A

20 years

Page 487

114
Q

Shelf life of Class B Foam concentrates stored in cool areas:

A

10 years for protein-based

20-25 years for synthetic foams

Page 489

115
Q

Class B foams are mixed in proportioners from___-___%.

Hydrocarbon fires- ___-___%

Polar solvent fires-___-___%

A

1-6%

Hydrocarbon fires- 1 - 3%

Polar solvent fires-3 - 6%

Page 490

116
Q

NFPA 11 Air/Solution Ratios:

Low expansion- ___ ratio

Medium expansion- ___ up to ___ratio

High expansion- ___ up to ___ratio

A

Low- 20:1

Medium-20:1 up to 200:1

High- 200:1 up to 1000:1

Page 490

117
Q

The alcohol resistive properties of Fluoroprotein Foams will be effective for approximately ___ minutes.

A

15 minutes

Page 492

118
Q

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.

A

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

119
Q

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.

A

1400 GPM

10% or less

Page 496

120
Q

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%.

A

3000 feet

66.5%

Page 497

121
Q

In the open position the Around the Pump valve allows approximately ___-___GPM to flow through the piping.

A

10-40 GPM

page 498

122
Q

Variable Flow Variable Rate Direct Injection systems proportion foam concentrate at a rate from ___-___%

A

.1 -3%

Page 500

123
Q

Class A Foam solutions do not retain their foaming properties when mixed in water for more than ___hours making pre-mixing virtually impossible.

A

24hrs

Page 501

124
Q

Foam expansion ratios for most fog nozzles are in the ___ up to ___ range.

A

2:1 up to 4:1 ration

Page 504

125
Q

Durable Agents (Gelling Agents) application:

Extinguishment- ___%

Fire line- ___-___%

Structural protection- ___-___% Whit this application DA will adhere to vertical surfaces for__hrs.

A

Extinguishment- 1%

Fire line- 1.5- 2%

Structural protection- 2 - 3% Whit this application DA will adhere to vertical surfaces for 24hrs.

Page 509

126
Q

Road Test:

Accelerate to ___mph in ___ seconds

Max top speed of ___mph

Full stop from 20mph in ___feet

A

Accelerate to 35 mph in 25 seconds

Max top speed of 50 mph

Full stop from 20mph in 35 feet

Page 516

127
Q

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.

A

500psi

For 10 minutes

Page 517

128
Q

In jurisdictions that are higher than ____ feet above sea level, a PUMP ENGINE OVERLOAD TEST must be performed as part of the Acceptance Testing.

A

2000 feet

Page 518

129
Q

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

A

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

130
Q

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.

A

3/8 of an inch

Page 519

131
Q

For testing purposes all gauges used for service testing must be calibrated within ___ days of testing.

Discharge gauge must be within ___% accuracy.

A

60 days

5% accuracy

Page 521

132
Q

Flowmeters, within + or - ____% of accuracy, increased efficiency over pitot gauges when determining flow from the nozzles during a pump test.

A

Within +/- 5%

Page 522

133
Q

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.

A

1250= 30 seconds or less

1500= 45 seconds or less

Page 524

134
Q

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.

A

1/2 the nozzle diameter from the end of the nozzle

Page 525

135
Q

During testing, the difference in reading between the flowmeter and the pitot gauge must not be more than ___%.

A

10%

Page 525

136
Q

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.

A

250 GPM

At least 500 GPM

Page 526

137
Q

Depending on the manufacturer of the aerial device, the hydraulic fluid may be under pressure of ____psi or more.

Norman hydraulic operating pressure- ___-___psi

A

3500 psi

Normal- 850-3,000 psi

Page 547 and 551

138
Q

Hydraulic hoses must be rated withstand pressures at least ___times greater than normal operating pressures.

A

4 x greater

Page 548

139
Q

Aerial ladder apparatus length-

Fully extended working length- ___-___feet

A

50-137 feet

Page 552

140
Q

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
A 
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

141
Q

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.

A

150 seconds or less

Page 557

142
Q

Aerial Ladder Platforms commonly range in size from ___-___feet.

A

85-110 feet

Page 558

143
Q

Telescoping Ariel Platforms in the US range from ___-___ feet.

A

75-100 feet

Page 558/559

144
Q

Standard Articulating Aerial Platforms range in height from ___-___ feet.

A

55-85 feet

Page 559

145
Q

Over the years, several manufacturers have developed aerial devices that both telescope and articulate. These Combination Aerial Devices range in height from ___-___ feet.

A

90-174 feet

Page 560

146
Q

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.

A

50-130 feet

1000- 5000 GPM

Page 560

147
Q

Bed Ladder Systems pipe diameter-

A

3 or 3.5 inch

Page 567

148
Q

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.

A

750 GPM

2-3 locations

15° either side of center (30°)

Page 569/560/561

149
Q

Common recommended lengths of electrical cords should not exceed ___feet per reel or cord.

A

200 feet

Page 576

150
Q

Hydraulic hose distances ___ feet or greater from the hydraulic pump may have a negative affect on the tool operation.

A

100 feet or greater

Page 577

151
Q

NFPA 1901 requires aerial apparatus to be equipped with multiple salvage covers and ___ scoop shovels to assist with salvage and overhaul efforts.

A

2 scoop shovels

Page 579

152
Q

Nondestructive testing is conducted every ___years.

A

5 years

Page 586

153
Q

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.

A

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

154
Q

The maximum loading for an unsupported aerial device occurs when operated at angles between ____° and ____° from horizontal.

A

70° and 80° from horizontal

Page 622

155
Q

Consider parking additional apparatus ___-___ feet behind the shielding apparatus to act as an additional barrier.

A

150-200 feet behind

Page 626

156
Q

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.

A

25 feet

25 feet

Page 627

157
Q

Transferring PTOBpower to the hydraulic system pneumatically requires anywhere from ___-___ psi air pressure for the PTO to be operated.

A

50-140 psi

Page 645/646

158
Q

Place wheel chocks in front and behind on both sides of the apparatus ___inch from the tire.

A

1 inch gap

Page 651

159
Q

Stabilizer pad dimensions-

A

24x24 inch

Page 655

160
Q

Fulcrum stabilizer should be lowered to within ___ inches of the ground prior to the placement of the stabilizer pad.

A

A few inches

Page 657

161
Q

Correction of lateral unevenness is possible on grades up to ___%.

A

5%

Page 658

162
Q

When using fall protection on an aerial device never use a feature that will allow the clip to slide for more than___inches.

A

A few inches

Page 676

163
Q

75-80-80 is for use with Detachable Ladder Pipes and represents:

A

75° elevation

80% extension

80 psi

Page 690

164
Q

The limit of ice build up allowed by NFPA 1901 is ___inch on all surfaces.

A

1/4 inch

Page 693

165
Q

1 in.³ of ice weighs ___lbs

A

1 cubic inch of ice weighs .03lbs

Page 695

166
Q

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:

A

At least 6 feet

Bottom is just over the edge of the roof

Page 727

167
Q

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 ___°.

A

30°

Page 741

168
Q

Wear hearing protection during service testing when decimals reach:

A

90 decimals

Page 522

Aarons Drivers Test NUMBERS (4 decks)

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