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Engineer 2022 > Engineers Manual > Flashcards

Engineers Manual Flashcards

1
Q

Ensure proper fluid levels

A

Motor oil, transmission fluid, coolant, power steering fluid, and diesel exhaust fluid (DEF)

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2
Q

Booster tank level and foam tank level

A

Must be checked visually, compare visual levels to gauges for accuracy

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3
Q

Ensure proper brake pressure for front and rear

A

Great than 100 PSI (>100)

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4
Q

Tires and wheels

A

Check tire pressure, lug nuts, axle seals, and tread depth

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5
Q

Minimum tread depth

A

4/32” or when tread wear indicators are even with the tire tread.

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6
Q

With motor running check all….

A

Running lights, (including brake and back up lights), all visual and audible warning devices and scene lighting.

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7
Q

Daily engine inspection

A

Conduct a brief conference with the off-going engineer

Ensure proper fluid levels

Ensure booster tank and foam tank levels

Ensure proper air brake PSI

Tires and wheels

Seat belts- ensure all seat belts operate and adjust properly

Ensure wipers operate properly

Check all visual and audible devices

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8
Q

With the pump engaged and TANK-TO-PUMP valve open

A

Verify pressure on master discharge gauge

Operate primer until water is discharged

Ensure proper operation of the governor in both PSI and RPM modes

Ensure proper operation of the transfer valve (if equipped)

Operate electric intake valves fully-open to fully-closed

Discharge water from at least one discharge opening

Open and close each 5”intake valve then remove the cap to drain

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9
Q

Disengage pump then open/close each manual valve..

A

To verify smooth operation

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10
Q

Open and close all bleeders open the PUMP DRAIN valve briefly to..

A

Flush sediment from the lowest level of the pump

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11
Q

Tilt the cab and inspect all drive belts for..

A

Tightness and wear

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12
Q

Check batteries for…

A

Leaks and right connections

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13
Q

Portable oxygen

A

Ensure tank pressure is greater than 1000 (>1000) and oxygen delivery adjuncts are properly stocked

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14
Q

Air chisel

A

Connect to air bottle and ensure proper operation (>4000 PSI) do not trigger the air chisel unless the chisel head is in contact with a solid material

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15
Q

Ensure strainers are present in 2 1/2” intakes

A

During the weekly pump service

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16
Q

When oiling the air chisel

A

Apply 5 of air tool oil into the blade end and operate

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17
Q

High-lift jack weekly inspection

A

Clean with soapy water and dry thoroughly. Wipe down entire tool with light oil, including all moving parts. Inspect jack for bent or damaged components.

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18
Q

Chains weekly inspection

A

Clean with soapy water if dirty, and dry thoroughly. Wipe down length of chain sparingly with light oil. Inspect links for damage or corrosion.

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19
Q

Come-along weekly inspection

A

Clean with a dry cloth. Use light oil sparingly on moving parts. Inspect cable for broken strands, corrosion, or wear. Do not apply any lubricant to wire rope. If the wire rope gets wet or is exposed to moisture it must dry thoroughly. Inspect handle for straightness.

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20
Q

All lubricants must be used sparingly because…

A

Excess oil or grease can attract dirt and compromise proper operation

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21
Q

Light oil

A

This refers to Liquid wrench, WD-40, or similar water displacing oil, typically found in an aerosol can.

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22
Q

Air tool oil

A

Supplied with air chisel in a small squeeze bottle (5 drops on the blade side)

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23
Q

Two-cycle oil

A

Added to gasoline to lubricate two-cycle engines (50:1)

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24
Q

Silicone spray

A

Used on roll-up door tracks and slide out compartment trays. It leaves minimal residue. DO NOT USE SILICONE ON OTHER MOVING PARTS. Remove dirt prior to applying silicone.

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25
Q

Grease

A

The only grease permitted is “food grade” machinery grease. Apply to appliance and pump threads as needed.

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26
Q

If the service requires the engine to be out of service for 24 hours or any period that spans two shifts a…

A

Complete daily inspection shall be performed immediately, prior to swapping equipment and returning to service. Pay particular attention to any component or system that was serviced to ensure proper operation.

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27
Q

If apparatus is facing oncoming traffic at night…

A

Turn off headlights to improve night vision of approaching vehicles.

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28
Q

Leave the rear of all apparatus unobstructed

A

To facilitate ground ladder and tool access

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29
Q

Engine has become stuck

A

Contact TSF prior to attempting removal

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30
Q

When backing, use a spotter on the engineers side…

A

5-10 feet from tailboard. This places the spotter in the most visible location for the engineer and allows the spotter full view of the rear of the engine.

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31
Q

If the spotter is no longer in view..

A

The engineer must stop that apparatus

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32
Q

JEA main sizes range from

A

6” to 24” in diameter and average 70 PSI static pressure.

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33
Q

Static sources include

A

Lakes, rivers, swimming pools, storage tanks, retention ponds and portable tanker basins

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34
Q

What all can interfere with hydrant flow

A

Dead end mains or loops, partially closed street valves, sediment buildup, and damaged mains.

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35
Q

Supply mains

A

Residential 6” to 10”

Commercial 8” to 24”

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36
Q

Type of private system that consists of a private main that is connected to a city main through a meter and back flow preventer.

A

The diameter of the back flow preventer is the same as the water main.

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37
Q

High pressure systems may be located at…

A

High-risk facilities (chemical or petroleum) that require immediate firefighting pressure but don’t have fire engines on site to boost pressure.

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38
Q

Private hydrant (industrial)

A

Red

Steamer (4 1/2”)

Side outlets (2 1/2”)

Static pressure (up to 175)

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39
Q

Private hydrant (apartment/business)

A

Red

Steamer (4 1/2”)

Side outlets (2 1/2”)

Static pressure (70 PSI)

Supply mains (dead end mains or loops)
                                        (6” to 10”)
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40
Q

NFPA color codes for caps and bonnet

A

BGOR

Blue- 1500 GPM

Green- 1000/1499 GPM

Orange- 500/999 GPM

Red- below 500 GPM

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41
Q

Private hydrants are transitioning to the color

A

White as of 2016

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42
Q

Sound barrier walls along limited access highways may incorporate

A

Access holes (about 12”) to reach hydrants on nearby streets

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43
Q

Drafting utilizes

A

Atmospheric pressure. Pumps are equipped with a primer to reduce pressure inside the pump below atmospheric pressure, this creates a vacuum

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44
Q

Size of TANK-TO-PUMP valve

A

3” valve, flow is limited to 700-800 GPM

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45
Q

Dry hydrants

A

4 1/2” steamer attached to static water supply. Commonly PVC but could be cast iron or stainless steel.

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46
Q

JFRD engines are built by Pierce and are fitted with midship mounted WATEROUS centrifugal pumps. These are either single-stage or two-stage and rated at

A

1500, 1750, or 2000 GPM

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47
Q

Intake manifold

A

Lower half of the pump body

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48
Q

Discharge manifold

A

Upper half of the pump body

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49
Q

Centrifugal pump

A

Includes impellers

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50
Q

JFRD engines are powered by

A

Six cylinder turbo-charged diesel motors, manufactured by caterpillar (c12 or c13) or Cummins (ISL series).

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51
Q

The impeller discharges water into the volute,

A

The chamber which directs the pressurized water into the discharge manifold.

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52
Q

The volume at 150 PSI is

A

Called the rated capacity

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53
Q

When pumping beyond 50% of a pumps rated capacity,

A

You must be in volume

54
Q

Manual override for transfer valve

A

3/4” socket

55
Q

Both the internal pressure relief valve and PIV/BIC are preset to

A

150 PSI

56
Q

The front and rear intake pipes are

A

5” in diameter

57
Q

The front and rear intake pipes will flow less than the steamers

A

1000GPM at draft, and 1500 GPM from a hydrant

58
Q

Additional intake inside the tailboard compartment. This intake is a direct tank fill and is painted red to distinguish it from other connections.

A

E-7

E-21

59
Q

On a hazmat incident, what intake may be the preferred connection for the hydrant or tanker supply

A

E-7 or E-21 rear direct tank fill connection

60
Q

Most intake and discharge valves are

A

Quarter turn ball valves, can be turned 45 degrees to lock in position

61
Q

Large diameter intakes and discharges use quarter turn valves controlled by a hand wheel or electronic control. Due to large volumes….

A

They must be of the slow operating type to prevent water hammer.

(Electronic front and rear intake valve take 15-20 seconds to fully open or close)

62
Q

The most commonly used valves are

A

TANK TO PUMP AND TANK FILL

63
Q

JFRD engines have a wide variety of discharge options range from

A

1” booster line to a 4” LDH discharge

64
Q

Electric primer

A

The primer is a positive displacement pump which can pump air and water.

65
Q

Both types of priming pumps draw current from the vehicle charging, for best performance set RPM between

A

1000-1200 RPM

66
Q

How many motor functions are to be monitored while pumping

A

Four

Coolant temp

Oil pressure

Transmission temp

Voltage

67
Q

Oil pressure

A

15 PSI at idle

35-45 PSI at speed

68
Q

Coolant temperature

A

180-220 degrees fully warmed up

69
Q

Voltage

A

13 to 14.5 volts

70
Q

Transmission temperature

A

Under 300 degrees is normal

71
Q

Pump water pressure can best be monitored by

A

Feeling the pump piping

72
Q

Pump cooler/recirculator

A

Directs pump water to booster tank

Will flow less than 25 GPM

Generally only needed when hose lines are charged but not flowing

73
Q

Engineer must select PSI mode for

A

Pumping hand lines

Pumping ladder pipes or ground monitors

Supplying a sprinkler or standpipe system

74
Q

The pressure sensor is disabled above

A

300 PSI

75
Q

Engineers must select RPM mode for

A

Drafting

Relay pumping

Charging 5” hose

PSI mode malfunction

Pumping operations that exceed 300 PSI

76
Q

The only pressure protection in RPM mode is

A

Rapid pressure increases in excess of 30 PSI

77
Q

The pressure sensor must detect

A

PDP in the pump to operate

78
Q

A small amount of air can hinder proper governor operation. The digital readout may display

A

LO PRESSURE

or

LO SUPPLY

79
Q

Engine PSI preset

A

110 PSI

80
Q

Tanker PSI preset

A

50 PSI

81
Q

Both engine and tanker RPM preset

A

1100 RPM

82
Q

When residual pressure gets low ( ) the governor may sense a supply problem and return RPM to idle.

A

(Below 10 PSI)

83
Q

When connecting 5” hose to the intake valve, never place a ( ) in the hose. It may uncouple upon charging

A

(Right hand twist)

84
Q

Always clamp at least ( ) back from the tail board

A

(25’)

85
Q

A supply line connected to a hydrant at incident scenes shall be ( ) or larger

A

5”

86
Q

The engineer shall direct the opening of the hydrant by

A

Portable radio

Signaling with arms overhead

Utilize a runner

87
Q

No apparatus shall

A

Drive over 5” hose coupling

88
Q

Practical volume limit of 5” hose

A

1600 GPM

89
Q

Ball intake valve will flow in excess of

A

2000 GPM

90
Q

Every engine company should carry at least two

A

Gated wye’s

91
Q

2 1/2” smooth bore nozzles

A

1” 200 GPM

1 1/8” 250 GPM

1 1/4” 300 GPM

92
Q

Maximum safe flow through a 2 1/2” handline is

A

300 GPM

93
Q

Akron turbojet 2 1/2” fog nozzle

A

100 PSI nozzle pressure

125, 150, 200, and 250 GPM

Break apart feature allowing 1 3/4” to extend from play pipe.

Rotating fully clockwise will shut off nozzle even if bale is open.

94
Q

Hazardous materials team carries the 100 PSI model because

A

It has great reach

95
Q

Add ( ) PSI per floor when operating above ground level

A

5 PSI

96
Q

A desired flow of 200 GPM from the Akron turbojet 75 PSI fog nozzle would require

A

Increase PDP from 110 to 150 PSI

97
Q

Akron turbojet 100 PSI for nozzle. A discharge pressure of ( ) would allow operator to select 95, 125 or 150 GPM

A

135 PSI

98
Q

Akron turbojet 100 PSI fog nozzle. Increase PDP from ( ) to ( ) to get a desired flow of 200 GPM

A

135PSI to 175 PSI

Two firefighter may be required for safe handling

99
Q

High rise packs

A

Three 65’ of JFRD “high rise spec” 2 1/2” hose

One 2 1/2” lightweight nozzle equipped the following way. Bail shut off, mini stream shaper, short stack tips (size 1 1/8” and 1/2” low flow)

High rise bag

100
Q

High rise bag consists of

A

2 1/2” in-line pressure gauge, 2 1/2” gate ball valve, lightweight elbow, 1 1/2” X 2 1/2” increaser, 1 1/2” fog nozzle, 2 spanned wrenches, marking device, 6 disposable glow sticks, 14-18” pipe wrench, flat blade screwdriver, Phillips head screwdriver, Allen wrenches, 6-8” crescent wrench.

101
Q

Attic nozzle

A

6’ and 2’ 1 1/2” aluminum pipe

1 1/2” X 2 1/2” increaser and standard 2 1/2” play pipe

Nozzles covers 1000 sq. Ft.

Flows 125 GPM at 100 PSI

102
Q

It is ideal for fires caused by lightning strikes

A

Attic nozzle

103
Q

Each engine shall carry enough foam concentrate to convert the booster tank water into finished foam

A

Minimum of 15-18 gallons of concentrate

3gallons per 100 gallons of tank capacity

104
Q

Each tanker shall carry enough foam concentrate to convert the 2500 gallon tank into finished foam

A

Minimum of 75 gallons of concentrate or 15 pails

3 gallons per 100 gallons of tank capacity

105
Q

Maximum distance between edcuctor and nozzle

A

75 PSI nozzle max distance is 250’

100 PSI nozzle max distance is 150’

106
Q

Foam eductor requires and inlet pressure of

A

200 PSI

107
Q

With an inlet pressure less than 200 PSI

A

The eductor will draw more foam, and run out quicker

108
Q

The ( ) and station () carry several large caliber master stream appliances for foam and dry chemicals

A

Hazmat team and station 37

109
Q

Engines (), (), and () also carry the Akron 250 GPM eductor and foam tube.

A

7, 21, and 31

110
Q

Akron 250 GPM eductor and foam tube is used with

A

2 1/2” hose and Akron turbojet nozzle, this step up to 300’ between eductor and nozzle

111
Q

Total JFRD foam capacity is

A

Approximately 20,000 gallons

112
Q

24 ft extension ladder

A

First story roof access

Second story window access

Second story balcony access

113
Q

14 ft roof ladder

A

First story roof access

Interior access (tall ceilings)

Roof work with hooks deployed

114
Q

10 Ft attic ladder

A

Interior scuttle access

Interior attic access

Some first story windows

115
Q

Some companies also carry sodium bicarbonate extinguishers

A

Effective on class B and C fires

116
Q

Generator

A

A twin cylinder diesel motor powers the 10 kilowatt generator.

Received fuel from main fuel tank and has electric start switch on pump panel and dashboard

Powers 5 scene lights and a 30 amp cord reel

117
Q

Winch

A

Powered by 12 VDC receptacles

100’ wire rope

9000 lb pulling capacity

118
Q

Residual pressure

A

Is only displayed on the intake gauge when the supply side of the pump is under pressure

119
Q

If the drop is less than 10%

A

You can add 3 or more lines of equal GPM

120
Q

If the drop is 10%-20%

A

You can add 2 or more lines of equal GPM

121
Q

If the drop is 20%-25%

A

You can add 1 more line of equal GPM

122
Q

If the drop exceeds 25%

A

You may be able to pump smaller lines only

123
Q

A static line cannot be

A

Gated

124
Q

Master stream fog nozzle

A

100 PSI

Flow of 500, 750, 1000, and 1250

125
Q

Master stream smooth bore

A

80 PSI

1 1/4” 400 GPM

1 3/8” 500 GPM

1 1/2” 600 GPM

1 3/4” 800 GPM

2” 1000 GPM

126
Q

Add () for friction loss in the appliance

A

10-25 PSI

127
Q

Add () FL for each 100’ of 2 1/2” Siamese hose for friction loss

A

25 PSI

128
Q

The maximum height for drafting is

A

25’ feet, measured from the water surface to the steamer connection

129
Q

It takes () to dump 2500 gallons of water from the quick dump valve

A

2-3 minutes

130
Q

Recommend PDP for tanker filling is

A

100 PSI

131
Q

GPM that can be delivered by the tanker shuttle

A

GPM

Tanker gallons divided by time

Engineer 2022 (5 decks)

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