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Engineer 2022 > General Knowledge > Flashcards

General Knowledge Flashcards

1
Q

Structure Fire Foam Type and %

A

Wet Foam @.1-.3%

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2
Q

Never take hydrant below what PSI

A

20 PSI

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3
Q

VCFD Type 1 draft capabilities using 4” intake?

A

600-800 GPM

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4
Q

Triangle Placement

A

Within 10 minutes
2 lane undivided=FRONT 100’ REAR 10’, 100’

Obstructed View= REAR 10’, 100’-500’

1 Way/Divided Hwy= REAR 10’, 100’, 200’

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5
Q

Primary and secondary tank need to be at what PSI to move apparatus?

A

100 psi

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6
Q

Shut Down Procedure

A

-Communicate
Throttle down
Gate down
-Fill Tank
Shut down pump

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7
Q

How long can you pull a prime on type 1 and type 3?

A

Type 1- 45 sec
Type 3- 30 sec

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8
Q

Distance/Time of application of extinguishers?

A

Water Can (standing 10-30’ away)
-discharge time:45-60 seconds
-reach of 30’ for 40 seconds

Dry Chem
-10’ distance

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9
Q

Atmospheric Pressure decreases how much every 1000’ elevation gain?

A

.5 psi

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10
Q

Radiator Fluid

A

50/50 extended life coolant “light red”

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11
Q

Type 1 pump rating

A

1500 GPM/ 150 psi
1050 GPM/ 200 psi
750 GPM/ 250 psi

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12
Q

Type 1 Drafting Pump Rating

A

Available water using 4”= 600-800 GPM

10’ lift @ 100% = 800 GPM
15’ lift @ 70% = 560 GPM
20’ lift @ 60% = 480 GPM

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13
Q

Railroad county top speed, how long does it take to stop?

A

Top speed- 79 mph
takes 1.75-2.0 miles to stop

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14
Q

Railroad stopping distance requirements?

A

15-50’

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15
Q

Type 3 foam tank capacity?

A

16 gallons

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16
Q

Metro 2 smoothbore tip GPM

A

250 @ 50 psi

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17
Q

How many additional feet is the siren NOT HEARD when traveling an additional 20 MPH?

A

Increasing speed by 20 mph can decrease audible distance by 250’ or more.

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18
Q

Driving 2x the speed increases impact force by how many times?

A

4x

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19
Q

Camarillo airport radio freq

A

121.8, Key mic on radio three times in succession. Will last 15 minutes

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20
Q

Cam airport tower light codes

A

Red- STOP
Flashing Red- CLEAR RUNWAY
Green- CLEAR
Alternating green/red- USE CAUTION

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21
Q

Cam airport movement area rules

A

-Require clearance
-ALWAYS use emergency lighting

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22
Q

Cam airport non movement areas

A

Does not require clearance

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23
Q

Airport hours

A

0700-2100
After hours turns on lights by transmitting 3 times

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24
Q

Airport runway lights

A

Taxiway- blue lights
Runway- white lights

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25
Q

How deep of water needed for Floto-Pump?

A

4”

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26
Q

Total Stopping Distance

A

Total Feet traveled after danger first appears

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27
Q

CA DMV HANDBOOK
What can make tires skid?

A

Over accelerating
Over braking
Over steering
Driving too fast
Retarders

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28
Q

You can outrun your siren at what MPH?

A

50 MPH

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29
Q

Rope Shelf life for engine/truck

A

Engine-10 years
Truck-7 years

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30
Q

Nylon Rescue Rope weight rating, lengths

A

1/2” static kern mantle “low stretch”
9500 lbs
loses 15% strength when wet

600’,300’,200’,150’

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31
Q

Info needed for Relay Operation

A

Capabilities of hydrant
Draft?
Distance
Water tender?
Access
Enough engines in 1st alarm?
Water officer
GPM
Fire Ground Flow
Turn around time

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32
Q

Air Brakes Static vs Applied test

A

Static- No more than 2 PSI/minute (3 for combination)
Applied- Hold brake, no more than 3 PSI/minute (4 for combination)

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33
Q

3 types of intake reliefs

A

Piston
Waterous intake relief system
Combination

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34
Q

Pump rating vs at draft (type 3)

A

Regular Pumping- 500 GPM

Drafting
Available water using 4”= 500 GPM
10’ of lift @ 100% = 500 GPM
15’ of lift @ 70% = 350 GPM
20’ of lift @ 60% = 300 GPM

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35
Q

Winch Details

A

Worn industries M12000
12k weight rating
125’ long
3/8” wire diameter
25’ remote
5 wraps minimum

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36
Q

Type 1 minimum # of 2.5” hose?

A

800’ (600 in rear, 200 Cross-lay)

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37
Q

Reading when battery is going bad? Amps or volts

A

Volts

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38
Q

Battery Volt Meter reading

A

Engine off- 12.2-12.6
Engine running- 13.6-14.2

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39
Q

Jump Starting Engine

A

Positive good
Positive bad
Negative good
Ground bad (12” away from connections)

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40
Q

Positive displacement Pump can/cannot pump air

A

Positive displacement pumps can pump air

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41
Q

Centrifugal Pump can/cannot pump air?

A

Centrifugal pump CANNOT pump air

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42
Q

Requirement for flying a member on aerial

A

Captain discretion and for life safety

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43
Q

Hose Testing details

A

-Tested at 250 Psi for 5 minutes
-Max 300’
-Fails test if drops more than 10psi in 5 mins

test:
New, annually, repaired hose

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44
Q

When responding code, how far back should another apparatus follow?

A

300-500’

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45
Q

Form 300

A

Weekly apparatus Check

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46
Q

Form 301

A

Daily apparatus report

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47
Q

Form 302

A

Rope log

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48
Q

Form 303

A

Apparatus service test record

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49
Q

Form 304

A

RADEFF check off

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50
Q

Form 305

A

Malfunction and maintenance

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51
Q

Form 306

A

apparatus inventory

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52
Q

Form 308

A

New vehicle check off sheet

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53
Q

Form 311

A

Accountable equipment transfer form

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54
Q

Form 312

A

CO monitor maintenance record

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55
Q

Form 315

A

Hose test

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56
Q

Form 316

A

Hose change

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57
Q

Engine Oil and Color

A

15W-40LE “brown”
Check while shut down

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58
Q

Power Steering

A

ATF “red”

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59
Q

Transmission oil

A

TES-295 “RED”
Check at operating temp while running or on dash display in cab
Should be at least 175 degrees

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60
Q

Diesel Fuel

A

2 Diesel “CLEAR”

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61
Q

Hub Oil

A

Gear oil
85-140 “BROWNISH”

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62
Q

Transfer Case Oil

A

Gear Oil 85-140

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63
Q

When at higher altitude what is lost?

A

Loss of Lift
1’ for every 1000’^

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64
Q

Type 3 PTO disengages at what MPH?

A

18 MPH

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65
Q

Type 3 exhaust brake disengages at what MPH?

A

3-5 MPH

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66
Q

Ariel Ladder how many feet away from wires?

A

10’

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67
Q

Max Ariel ladder tip weight?
When flowing master stream?

A

500 lbs
250 lbs when flowing water

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68
Q

Staging area if not given a specific location?

A

Stage in a position for greatest flexibility or direction of travel as directed from IC

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69
Q

Total stopping distance includes what?

A

Perception time +
Reaction time +
Brake distance =
total stopping distance

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70
Q

What is Residual Pressure?

A

Part of the total available pressure not used to overcome friction loss or gravity while flowing water through pipes, fittings, hose and adapters.

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71
Q

What system uses elevation to pressurize the system?

A

Gravity system

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72
Q

Lube, oil, filters Apparatus Service intervals (heavy and light)

A

Apparatus- 10,000 miles/4 months
Light fleet- 6,000 miles/ 4 months

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73
Q

Can fire department park on red curb during non emergency?

A

SHALL not

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74
Q

How many feet for race for water for first in engineer?

A

150’

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75
Q

Minimum water supply for first in fire apparatus on first alarm structure?

A

400 GPM

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76
Q

Max amount of hose at max elevation using educator?

A

1000’

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77
Q

Back up/forward/complete horn signals?

A

3- backup
2- forward
1- compete

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78
Q

Type 3 brakes shall hold apparatus at what grade?

A

20%

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79
Q

Type 3 is tested at what angle to not flip over?

A

32%

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80
Q

Handline nozzle fog/smooth bore PSI?

A

Fog-75 PSI
Smooth Bore- 50 PSI

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81
Q

Master Stream nozzle fog/smooth bore PSI?

A

Fog-75 PSI
Smooth bore- 80 PSI

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82
Q

Intake relief valve PSI’s?

A

Normal operation- 125 psi
100 PSI for piston/waterous when not in use

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83
Q

Steering wheel size/play/percent?

A

20” size steering wheel
2” of play
10% of wheel size

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84
Q

Types of foam

A

Wet- 0.1-0.3%
Fluid- 0.3-0.5%
Dry- 0.5-1.0%

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85
Q

Wildland fire foam for mop-up and deep seated fires

A

Fluid foam @ 0.3-0.5%
MEDIUM expansion

.5-1% with low expansion nozzle

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86
Q

Spring brake, low air alarm, cut-in, cut-out alarms

A

Spring Brake-20-45
Low air alarm-55-75
Cut-In-85
Cut-out-130

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87
Q

Service brake vs parking brake vs emergency brake

A

Service brake-foot pedal
Parking brake- yellow knob
Emergency brake- black knob (push to apply, and must be running while in use)

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88
Q

Can you leave a rig unattended?

A

No

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89
Q

Brake fade and adjustment?

A

15” disk brakes= free stroke length of 3/4”- 1 1/8” of push rod movement
Drum Brakes = 90 PSI applied, no more then 90 degrees, no orange showing.

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90
Q

Engine is most effective pumping at what PSI?

A

150 PSI

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91
Q

Inspection cut on roof size?

A

2’x2’x3’

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92
Q

Minimum tread depth on steering and non steering axle?

A

Steering- 4/32”
Non Steering- 2/32”

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93
Q

Vehicle Fire on freeway… how do you spot?

A

Right Skew, Protect pump panel, take additional lane

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94
Q

Form 2 5 things:

A

Time and Place
Narrative
Witnesses
Damage to others
Damage/loss of county property

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95
Q

What qualifies for a form 2?

A

-Damage to private property
-damage more than $200
-injury to employee.

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96
Q

Info to GIVE during an accident?

A

Engineers DL
Engine Co. #
County Risk Management address/phone #

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97
Q

When using code lights, what light is most likely to be ignored?

A

Turn signal

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98
Q

Theoretical Lift

A

33.8’

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99
Q

Holmatro Pump B check? When do you start and run for operation?

A

Weekly

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100
Q

First step in positive pressure ventilation?

A

Close up the house

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101
Q

What causes loss of pressure in brake line?

A

leaks in system

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102
Q

First thing you do when “Change-over” is complete?

A

Communicate “water supply est.”

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103
Q

Bubblecup GPM/PSI & for what kind of foam?

A

Bubblecup 20-60 GPM @100psi
Used for Class A Foam

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104
Q

Spotting rig during FDC operation

A

Spot at hydrant closest to the FDC Connection

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105
Q

Spotting for aerial ladder master stream. Over/under 200’?

A

Bumper to bumper (2024 revision)

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106
Q

Supply engine PSI to send to attack engine in relay?

A

50 PSI

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107
Q

Drip Torch mixture

A

3:1

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108
Q

What is considered dangerous during hose testing?

A

pumping a line on the panel side

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109
Q

Minimum people needed for vertical ventilation

A

2 people minimum

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110
Q

Max pressure for type 3 engine?

A

600 psi

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111
Q

Positive displacement pumps have __% slippage?

A

0%

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112
Q

Centrifugal pumps have __% slippage?

A

100%

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113
Q

Difference between the pumps in type 1 and type 3?

A

type 1=single stage
type 3= dual stage

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114
Q

When are engines in RPM mode? (4 things)

A

Helitack
Relay
Drafting
Brush Fire with high elevation and need more pressure

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115
Q

Pressure vs. RPM mode on a type 1?

A

Pressure vs RPM changes the way the fire commander controls the pumps RPM.

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116
Q

Pressure vs. volume mode on a type 3?

A

Pressure vs. volume mode on type 3 changes the way the water flows through the pump for either more volume or more pressure.

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117
Q

What is cavitation?

A

When you have an increase in RPM without a corresponding increase in pressure

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118
Q

Definition of Viscosity

A

Oils resistance to flow

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119
Q

Drive belts should have how many inches of play?

A

1/2”

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120
Q

What does coolant consist of?

A

50% mixture of ethylene glycol and water

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121
Q

How much class A and B foam is carried on an apparatus?

A

Class A- 30 gallon tank +(2) 5 gallon containers
Class B- (2) 5 gallon containers

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122
Q

What can a flashover do to the oxygen percent in a structure?

A

Drop it from 21% to 4% with temps over 1000-1800 degrees.

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123
Q

What side of the fire wall do you cut a strip on a commercial building?

A

Cut first strip on a fire side of division wall

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124
Q

Positive Pressure ventilation is ___ as efficient as negative pressure vent.

A

2x

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125
Q

Positive Pressure Vent is most efficient when exhaust opening is __ to __ times the size of the entrance.

A

3/4 to 2x

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126
Q

True or False: When using PPV make sure to pressurize the windward side.

A

True

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127
Q

PPV is effective in winds up to __ mph.

A

25 mph

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128
Q

Define Brake fade

A

Excessive use of the service brakes resulting in overheating and leads to brake fade.

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129
Q

A tank vehicle endorsement is required for a tank of __ gallons or more

A

1000 gallons or more.

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130
Q

When do you pull over for a railroad crossing?

A

10 or more people or hazard placard.

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131
Q

What are the three stipulations a supervisor should refer an employee for testing following an accident?

A
  1. If as a result of accident, an individual sustains an injury requiring medical attention.
  2. State or local law enforcement authority issues citation
  3. When property damage to a district vehicle exceeds $5000
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132
Q

What are time frames for post accident drug and alcohol tests?

A

Alcohol within 2 hours, no longer than 8 hours

Drug test conducted within 32 hours following accident.

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133
Q

If employee is found to have BAC of __% but less than __% he/she will be removed from work for __ hours.

A

0.02% but less than 0.04% and 8 hours

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134
Q

Employees may need to report to ___ if BAC is within limits

A

HQ for 8 hours or may be assigned to a BC for 8 hours of project work

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135
Q

T/F? It is permissible to leave district vehicles with locks unattended, provided they have been locked.

A

true

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136
Q

Flows of ___ or more GPM are considered master streams.

A

400 GPM or more

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137
Q

Master stream straight tips are normally supplied with ___ psi.

A

80psi

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138
Q

Practical Lift

A

20-25 ft

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139
Q

Automatic sprinkler systems must be ___ under fire conditions to ensure adequate pressure is delivered to heads.

A

Assisted

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140
Q

If you cannot maintain 150 PSI on sprinkler system… this indicates that additional ___,____ or____ should be utilized.

A

Water, engine, more lines

141
Q

Friction loss for deck guns and portable monitors?

A

3-56

142
Q

LIFT is known as?

A

Difference in elevation between water source surface and center of engine intake.

143
Q

Vacuum is known as?

A

Lower pressure within pump after removing air, and higher pressure outside the pump.

LOW PRESSURE IN PUMP
HIGH PRESSURE OUTSIDE PUMP

The pressure difference is a vacuum.

144
Q

Theoretical Lift formula

A

One psi can lift water 2.3’

(14.7)(2.3)= 33.8

145
Q

Net Pump Pressure

A

The pressure that the pump contributes to the production of a fire stream.

146
Q

Net Pressure Formula

A

Discharge Pressure-Intake Pressure= Net Pressure

147
Q

Net Pressure, pumping at draft

A

Net pressure= discharge pressure + (.5psi/ft)(height of lift)

Example: discharge pressure (100) + (.5)(10 feet)
= 100+5
=105

148
Q

Type 1 pump capacity vs pressure

A

100% @ 150 psi
70% @ 200 psi
50% @ 250 psi

149
Q

Like volumes

A

3x- 0-10%
2x- 10.1-15%
1x- 15.1-25%
<1- 25%+

150
Q

Known Static (% drop) formula

A

(Static-residual)/static

151
Q

Static Unknown (% drop)

A

{(R1-R2)/2} + R1

152
Q

Nozzle reaction depends on? ____ &____

A

Nozzle pressure and amount of flow

153
Q

Copter Kamlock requires how much PSI? What size is kamlock?

A

15 psi, 1 3/4”

154
Q

Centrifugal pumps develop ____ and turn it into _____

A

Velocity and turn it into pressure

155
Q

Tire wear on under inflated tires?

A

Outer edges

156
Q

Percent capacity and pressure

A

100% @ 150 psi
70% @ 200 psi
50% @ 250 psi

157
Q

In order to move a vehicle with a dual air brake system. How much pressure is required to move the vehicle?

A

100 psi in both tanks.

158
Q

Applied brake test for single vehicle axel

A

No more than 3 psi drop in 1 min

159
Q

Static leak test

A

No more than 2 psi drop in 1 minute for single axel vehicle

160
Q

Low air pressure warning should come on between ____-____ psi

A

55-75 psi

161
Q

Spring break should come on automatically between what psi’s

A

20-45 psi

162
Q

Air pressure should build how fast?

A

85-100 psi in 45 seconds

163
Q

What flows should you consider maximizing your hydrant?

A

1000 GPM

164
Q

Your internal relief valve must never be set above?

A

125 psi

165
Q

When pumping operation stabilizes, what RPM differential do you need?

A

300-400 rpm, 40 psi

166
Q

CAFS

A

compressed air foam systen

167
Q

Foam for initial attack and for use with standard fog nozzle?

A

0.1-0.3%

168
Q

It is best to remove people from interior stairwells or by aerial?

A

Interior stairwells and exits

169
Q

The best position of the turntable for rescue depends on?

A

Number and location of victims.

170
Q

Is the aerial an effective way of removing windows in horizontal vent?

A

Yes

171
Q

Collapse potential rule of thumb

A

Rule of thumb is to leave minimum of 40’ between the building and the truck.

172
Q

it takes ___to ___minutes to set up the aerial for roof access, and ___ to ___minutes to obtain water supply and position the truck for elevated streams.

A

1 to 5 mins
5 to 10 mins

173
Q

High wind conditions for aerial use?

A

gusts of 50 MPH or more

174
Q

Beach Driving prep?

A

-reduce air in tires to widen footprint
-Put in 4WD
-Visualize and plan a route.

175
Q

Beach driving Safety while driving?

A

-Do not operate above 15 mph
-Never drive in water
-Use PA system
-Windward side of the dune is more packed than the leeward side.

176
Q

Speed is?

A

Positively Objectionable.

177
Q

Fire apparatus traveling at ___ mph, the equivalent falling distance would be ___times as great, or ___ feet. The average height of a 4 story building.

A

40 MPH, 4x, 56 feet

178
Q

An authorized emergency vehicle is one furnished by the VCFD equipped with?

A

Red light and siren, operated by a member of the fire department.

179
Q

2 qualifications for it to be an emergency vehicle?

A

-must display a lighted steady red light, visible to the front.
-Siren must be sounded as reasonably necessary.

180
Q

One lighted red lamp which is visible in normal atmospheric conditions for how many feet?

A

1000 feet to the front

181
Q

Pass on the right only when?

A

No other course is open

182
Q

Basic Speed Rule

A

Never exceed a speed which is reasonable and proper, even when the law permits a speed higher.

183
Q

Stop how close to a railroad crossing?

A

Stop 15-50 feet from the nearest rail.

184
Q

Do not back more than ___’ without performing another walk-around.

A

25’

185
Q

Backing Guides should be between __-__feet

A

15-25’

186
Q

Checking transmission fluid levels

A

-operating temp (175 degrees and engine running)
-in neutral and engine must be at idle
-Check with fleet before adding fluid.

187
Q

Five steps to expert seeing

A
  1. Aim high
  2. Get big picture
  3. Keep eyes moving
  4. Leave yourself an out
  5. Make sure they see you
188
Q

Keep at least __ car space ahead for each 10 mph of your speed.

A

1 car space.

189
Q

Approx Engine temp while running

A

220 degrees

190
Q

Engine oil pressure gauge range?

A

20-60 PSI

191
Q

Low pressure in oil pressure gauge is indicative of?

A

-Low oil in crankcase
-Broken oil line
-Oil pump not operating
-Badly worn bearings and or cylinder walls

192
Q

Backing accounts for what % of accidents?

A

85%

193
Q

What should you do if you start to skid?

A

Turn wheel in same direction you are skidding.
Apply brakes on and off.
Let wheels revolve.

194
Q

DMV notifies the dept within?

A

2 weeks

195
Q

What is considered significant damage?

A

-Cause Injury or potential injury
-Cause damage to private vehicles or property
-Cause damage to vehicle bad enough to not move it after accident (VMU determines if need tow)

196
Q

Drum or disc brakes are less susceptible to brake fade?

A

Disc

197
Q

Traffic cones shall be placed at ___ foot intervals upstream with furthest cone approx ____ feet to allow for adequate advance warning.

A

25’ intervals
150’ upstream farthest cone

198
Q

Employees shall notify supervisor of DMV or license changes how soon?

A

Immediately

199
Q

In the DMV “pull program” they notify your employer how soon after an event?

A

Within 2 weeks of events such as:
-no change
-crash
-convicted offense
-license suspended

200
Q

An employee will be notified by the DMV if a request is made for a copy of the employees record. T/F?

A

True

201
Q

Apparatus with the total height of ___ feet or taller shall have vehicle, height weight, and width recorded and visible

A

9 feet

202
Q

If a vehicle is broken down, can it be left unattended?

A

No

203
Q

Who is ultimately responsible for oversee of safe tiller operation?

A

Tiller captain

204
Q

Apparatus is defined as a vehicle over ____ lbs or a vehicle designed as a firefighting equipment.

A

26,000

205
Q

Cell phone use while driving?

A

Must be Bluetooth or hands free, otherwise pull over.

206
Q

A full walk around of vehicle is not required for what type of fleet?

A

Light fleet

207
Q

When should a pre trip inspection occur?

A

Of vehicles over 26,000:
Beginning of each shift
Anytime there is a change in operator

208
Q

Apparatus Service Intervals (Coolant, ATF, Lube oil filters, Tires)

A

Lube Oil 4 months/ 10,000
Coolant 5 years/100,000 replacement
ATF 4 years/150,000
Tires 7 Years

209
Q

VMU hours?

A

0730-1630, weekdays

210
Q

IC may give approval of removal of SCBA when what is met?
CO readings?
O2 levels?

A

CO readings consistently remain below 25 PPM

Oxygen level above 19.5% and below 23.5%

211
Q

Cease Ops/All quiet
Emergency abandonment air horn signal
Resume/All Clear

A

1 long blast, 8-10 seconds
1 sec blast for 10 seconds, repeated 3x with 10 second pause between sets.
1 long, 1 short blast

212
Q

All accidents with district vehicles shall be reported per AP 13302, “_______”

A

Occurrence report

213
Q

Post “significant damage” protocols

A

-Notify FCC
-dispatch a BC
-driver gathers information
[DL exchange, witness info, shared info, statements]

214
Q

Accidents while driving district vehicle:
Gather what info during DL exchange?

A

-DL info of ALL parties involved
-License numbers of other vehicles involved
-Make, model, and year of other vehicles
-proof of insurance (note company name and policy numbers

215
Q

What information to obtain from identifiable witness during a significant damage district vehicle crash?

A

Name
Address
Phone Numbers

216
Q

What info do you GIVE the involved party after an accident?

A

-Show operators DL
-County risk management address and phone number
-engine co or work assignment

217
Q

What type of Rope do we use for main and belay?

A

1/2” kern mantle rope

218
Q

Class A foam “line” on a brush fire should be ____x the width of fuel

A

1.5x

219
Q

Portable monitor GPM/PSI

A

1250/75

220
Q

Floto Pump GPM/PSI

A

140 GPM/135 psi

221
Q

Mark 3 GPM/PSI

A

89 GPM/50 psi

222
Q

How often should you re-apply foam
blankets? (Class A & B)

A

Class A every 15 mins
Class B every 5 minutes

223
Q

Distance behind truck for ladders?

A

40’

224
Q

Elkhart GPM and PSI

A

350/50
500/55
900/67
1250/75

225
Q

Webbing Rating

A

1”- 4,000
2”- 7,000

226
Q

Utility Rope

A

100’
5800 lbs

227
Q

FDC sprinkler and standpipe system label on sign?

A

AUTO SPKR and STANDPIPE

228
Q

Brake lag distance

A

Feet traveled in .4 seconds

Time required for air to pass through a properly installed air brake system in good condition

229
Q

Prusik size and length

A

8mm
5.5 and 4.5’

230
Q

Never take a hydrant that is below ___ PSI

A

20 PSI

231
Q

Depth of water for drafting?

A

Minimum 4 feet deep
2 feet below the surface

232
Q

Rules to safe extrication

A

Size up, read the wreck
stabilize vehicle
Cut seatbelts early
Pry and Peak
5, 10, 20 rule
(5 side, 10 steering wheel, 20 passenger)

233
Q

Hose clamp distances

A

20’ from engine, 5’ from couplings on incoming water side

234
Q

NFPA Standard for Fire Apparatus Driver/Operator Professional Qualifications

A

NFPA 1002

235
Q

Stages of Fire

A

Incipient, Growth, Fully developed, decay

236
Q

Webbing Rating

A

1”- 4,000
2”- 7,000

237
Q

Systems engineers cannot fix unless supervision of mechanic?

A

“EBS”
Electrical
Braking
Steering

238
Q

Brakes OOS criteria

A

Drum and Disk brakes-
1/4” notify shop
1/8” OOS

Cracks in pads longer than 1 1/2”
Cracks in pads wider than 1/16”
Part of pad missing or loose
Oil Seepage

239
Q

Spare Sprinklers #

A

1-300 sprinklers = 6 spare
301-1000= 12 spare
1001+= 24 spare

240
Q

Average temp for sprinkler heads

A

165 degrees

241
Q

Lightweight/metal roofs can fail in how many minutes?

A

5-10 mins

242
Q

Rosenbauer Specs

A

9’8” tall
30’ 11” long
575 gallon tank
44,000 GVWR
Cummins Engine
Allison transmission
30 gallon Class A foam tank (sometimes 30 gln B tank)

243
Q

Type 3 specs

A

Westmark Model
International DT
539 gallon tank
Remain upright on 32 degree slope with full tank of water

244
Q

Tires OOS criteria

A

Steering 4/32
Driving 2/32

Sidewall cut, torn, or damaged to the extent that ply cord is exposed

Bump, bulge or knot

7 year life span

245
Q

For a strip to be effective, how wide should it be?

A

3’ wide

246
Q

Hose Marking colors

A

Yellow
Green
White
Blue
Red

247
Q

Draft Test

A

20’ of 6” hard suction with 10’ of lift at 150 psi, 1500 GPM

248
Q

At 212 degrees, water expands to ___x its original volume?

A

1700x original volume

249
Q

3 methods of moving water

A

Direct pumping
Gravity system
Combination

250
Q

Fire extinguisher Classification icons

A

A- Green triangle
B- Red Square
C- Blue Circle
D- Yellow Star

251
Q

COLA

A
252
Q

What size should the hole be for vertical vent?

A

10% of the involved area, as close to over the fire as possible.

253
Q

Primary nozzle and GPM setting for class B fires?

A

Fog nozzle set to 60 GPM

254
Q

foam GPM for hydrocarbons vs polar solvents (hint .1 or .2)

A

Hyrdrocarbons = .1 gpm (1 word)
Polar solvents= .2 gpm (2 words)

255
Q

Stab braking can only be done in vehicles without ____?

A

ABS

256
Q

When performing the Low Air Warning alarm, the audible alarm should go off before gauge gets no lower than ___ psi?

A

55

257
Q

Rules of the Road CVC #21055

A

Provides that the driver of an authorized emergency vehicle is exempt
from Division 11, Chapters 2 through 10, and Division 16.5, Chapter 5, Articles 3 and
4, of the Vehicle Code. This limited exemption is only in effect when the following
conditions are met:
The vehicle is being driven in response to an emergency call, or while engaged in
rescue operations, or is being used in the immediate pursuit of an actual or suspected
violator of the law

258
Q

CVC # 21056

A

States that the exemption of Section 21055 CVC does not relieve the
driver of an emergency vehicle from the duty to DRIVE WITH DUE REGARD FOR
THE SAFETY OF ALL PERSONS using the highway

259
Q

Type 3 intake relief valve set at?

A

150 psi

260
Q

When controlling a Bee Swarm what percent of foam should be used with a fog nozzle?

A

Fog stream with Class A foam at .5%

261
Q

Clearance from lines when smoke is present?

A

35’

262
Q

When should PFD’s be worn?

A

within 10’ of water

263
Q

Multistage pump in volume mode

A

Volume mode=Parallel
Double the volume, half the pressure

264
Q

Multistage pump in pressure mode

A

Pressure mode= Series
Half volume, double the Pressure

265
Q

Auxiliary Braking systems

A

Exhaust Brake
Transmission output retarder
engine compression brake
Electromagnetic Retarder

266
Q

Fire engine High voltage lines and transmission towers electrical safety distances

A

100 ft high voltage lines
35 ft towers

267
Q

Gas engine oil

A

5w-30

268
Q

Leaf spring OOS

A

1/4 or more missing

269
Q

Shift trades per year?

A

38
10 protected

270
Q

Educator back pressure is the sum of what 3 things?

A
  1. Nozzle pressure
  2. Head pressure
  3. Friction loss
271
Q

Normal engine RPM is?

A

600-700

272
Q

Water tender placement on a fire?

A

Place the biggest water source at the scene next to the pumping engine, then have the engines rotate and shuttle water to the tender

273
Q

Per CA DMV air pressure should build from ____ to ____ psi within ___ minutes

A

50-90 within 3 minutes

274
Q

Perception distance?

A

Average perception time for an alert driver is 1 ¾ seconds.

At 55 mph this is 142 feet traveled.

275
Q

Reaction distance

A

Average driver has a reaction time of ¾ to 1 second

At 55 mph this accounts for 61 feet traveled.

276
Q

Braking distance

A

At 55 mph this is 216 feet

277
Q

Total stopping distance (feet)

A

Minimum 419 feet

278
Q

When you double your speed from 20 to 40, the impact is __x greater

A

4x

279
Q

Triple your speed from 20 to 60, impact is __x greater

A

9x

280
Q

Empty trucks require greater stopping distances because an empty truck has less ___

A

Traction

281
Q

Per DMV how much space in seconds should you leave between you and other vehicle

A

1 second per 10 feet of vehicle length (under 40 mph)

Over 40 mph, add 1 addt second

282
Q

Approval for engine movement on airport is given by who?

A

Camarillo ground control by radio, cell phone, or light signals

283
Q

Flows more than ____ GPM require the use of 4” hose and 4” intake

A

500 GPM

284
Q

Flows more than ___ GPM should be done with multiple water sources

A

2000 GPM

285
Q

2Limiting factors when pumping from tank?

A

Size of plumbing and size of tank

286
Q

Using 1.5” hose instead of 1.75” hose while using an eductor will reduce length of maximum hose lay by ___ %

A

50%

287
Q

T/F Class A foam concentrate increases the ability of water to absorb heat?

A

False

288
Q

When using class a foam, the surface tension will not decrease significantly in solutions above ____

A

1%

289
Q

Best nozzle for pre treatment of a structure is a ____ at ____% solution

A

Medium expansion nozzle at .5-1%

290
Q

T/F Class A foam is effective as a barrier over flammable liquid spills

A

True

291
Q

T/F fresh, salt or brackish water can be used to proportion class B foam

A

True

292
Q

Gravity system effectiveness height?

A

100’

293
Q

Who makes the overall decision on if a vehicle needs to be towed?

A

VMU

294
Q

Who can make modifications to inventory or 306?

A

Assistant chief of emergency services

295
Q

Best source of information for relay operations?

A

Hydraulics Card

296
Q

Structures built prior ____ generally incorporate conventional construction of the roof.

A

TM says mid 1950’s

prior to 1960

297
Q

Issue with using 2nd and 3rd in for water supply?

A

Could overlook water supply

298
Q

For it to be considered a trench, it cannot be wider than ___ft

A

15 feet

299
Q

General rules of the road Cvc?

A

21052

(general, under normal road conditions, not emergency)

300
Q

17004 CVC relieves an operator from?

A

Civil liability
(if you were responding to a call, not returning from a call, and get into an accident and kill someone, you are exempt)

301
Q

CVC for transporting persons requiring medical aid? What must be met in order to transport?

A

20016

When time is of the utmost importance and when the patient does not object

The dept is not liable for damages or costs incurred in this act

302
Q

Per IFSTA, NFPA 1901 requires air pressure to build to sufficient level to allow vehicle operations within ___ seconds of starting.

A

60 seconds

303
Q

When the pump is at idle with no water flowing it creates a pressure boost of ____?

A

30 psi

304
Q

ALF specs

A

9’6” tall
28’6” long
37,600 GVWR

305
Q

NFPA requires a minimum flow of ___ GPM from the tank

A

500

306
Q

Per TM Most engines can pump _____ GPM from tank.

A

600-700

307
Q

Aerial ladder max GPM

A

1500

308
Q

Swiftwater water speed

A

1.5 mph or faster

309
Q

Type 3 pump and roll relief valve pressure

A

150 psi

310
Q

Rotary Vane pump is a type of___ pump

A

Positive displacement pump commonly used in hydraulics systems.

311
Q

T/F Centrifugal pump is a positive displacement pump?

A

False. It doesn’t pump a definite amount of water with each revolution like a rotary vane positive displacement pump

312
Q

Master Intake Guage AKA

A

Compound or vacuum gauge

313
Q

Intake gauge measures?

A

Positive pressure and vacuum

314
Q

When the vacuum reading approaches ____ in of mercury, the pump is nearing its capacity and is not able to supply additional lines.

A

20 in mercury

315
Q

Voltmeter

A

Device used for measuring EXISTING voltage in an electrical system. Provides a relative indication of battery condition.

316
Q

Ammeter

A

Gauge that indicates BOTH the amount of electrical current being drawn from and provided to the vehicles battery.

INDICATES STATUS OF VEHICLES ALTERNATOR AND CHARGING SYSTEM

317
Q

What does DDEC stand for?

A

Detroit Diesel Electronic Fire Commander

318
Q

How much water should be above the strainer for pump to reach capacity?

A

24” and recommend 24” around as well

319
Q

What position should type 3 be in while pulling a draft?

A

Parallel (volume)

320
Q

Combination sprinkler and standpipe system.. what PDP do we pump too?

A

Calculate PDP for that ffs hand line and pump to that.

321
Q

This principle of pressure states that fluid pressure is perpendicular to any surface on which it acts.

A

FIRST PRINCIPLE OF PRESSURE

322
Q

Which principle of pressure is used during hydrostatic testing?

A

2nd principle- fluid pressure at a point in fluid at rest is the same in all directions.

323
Q

Which principle of pressure reiterates that if water at the top of a standpipe in a 100’ tall building is 100 psi, the water in the base of standpipe would be 143.3 due to weight of water?

A

3rd principle of pressure- pressure applied to a confined fluid is transmitted equally in all directions. This is only true with no change in elevation.

324
Q

Per IFSTA above what elevation is a drop in atmospheric pressure problematic for pumping from draft?

A

2000 feet

325
Q

What describes the roughness of the inner surface of a pipe?

A

Coefficient of friction

326
Q

Most common method of moving water?

A

Combination

(Direct, gravity, combination)

327
Q

Valves are categorized into 2 types?

A

Indication (PIV) and non-indicating

328
Q

How often should we pull and reload hose to prevent deterioration?

A

Quarterly (form 316)

329
Q

Per NFPA how much fire attack hose (1.5/1.75) should be carried on type 1?

A

400 feet

330
Q

Per IFSTA Can smooth bore nozzles be used to apply compressed air foam?

A

Yes

331
Q

Standpipe class 1,2,3 classifications?

A

Class 1- FF use only (2.5” connections)
Class 2- occupant use only (1.5 connection and single jacket hose)
Class 3- combination (must be able to be used same time)

332
Q

Above how many feet may an engine without a 2 stage pump be able to deliver water pressure through a standpipe/FDC?

A

450 feet

333
Q

How much psi is required to raise water 1 foot?

A

.434 (one psi will lift water 2.31 feet)

334
Q

Height of standpipe connection?

A

3-5 feet from floor

335
Q

Type 3 pumping- for flows over 350 GPM, should you be in pressure or volume mode?

A

Volume

336
Q

Helitack pumping- if turnaround time is going to be longer than ___ to ___ minutes, then you can shut down the pump.

A

15-30 minutes

337
Q

How many simple packs on type 1 and type 3?

A

Type 1- 5
Type 3- 8

338
Q

Aerial ladder length and effective reach?

A

105 feet
7 stories

339
Q

Aerial ladder max water stream?

A

1500 GPM

340
Q

Per NFPA where are standpipes required to be placed?

A

Each exit stairwell
Hose stations no more than:
150’ on non sprinklered buildings
200’ sprinklered buildings

341
Q

Truck aerial GPM/psi

A

500@50
1500@75

342
Q

It was determined that in ___% of all collisions, the driver/operator was not aware of a problem until it was too late to correct.

A

42%

343
Q

Cleaning PPE with extractor should happen how often?

A

6 months

344
Q

Describe Hydrocarbon Fuels

A

Petroleum based combustible or flammable liquids that float on water such as gasoline.

345
Q

Describe Polar Solvents

A

Flammable liquids that mix with water such as ethanol.

346
Q

What lights should be on when parked on a roadway blocking or partially blocking traffic?

A

Red lights front and rear, and directional signals.

347
Q

Law requires turn signal to be given ___ ft continuously prior to a turn.

A

100 ft

348
Q

What is one consideration for spotting truck and engine for elevated streams?

A

Knowing your local water systems and truck friction loss may allow some flexibility with the 200’ limit.

349
Q

In all occupancies, the maximum travel distance to an extinguisher for class A hazards is ____ ft

A

75

Engineer 2022 (1 decks)

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