General Knowledge Flashcards
(349 cards)
1
Q
Structure Fire Foam Type and %
A
Wet Foam @.1-.3%
2
Q
Never take hydrant below what PSI
A
20 PSI
3
Q
VCFD Type 1 draft capabilities using 4” intake?
A
600-800 GPM
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’
5
Q
Primary and secondary tank need to be at what PSI to move apparatus?
A
100 psi
6
Q
Shut Down Procedure
A
-Communicate
Throttle down
Gate down
-Fill Tank
Shut down pump
7
Q
How long can you pull a prime on type 1 and type 3?
A
Type 1- 45 sec
Type 3- 30 sec
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
9
Q
Atmospheric Pressure decreases how much every 1000’ elevation gain?
A
.5 psi
10
Q
Radiator Fluid
A
50/50 extended life coolant “light red”
11
Q
Type 1 pump rating
A
1500 GPM/ 150 psi
1050 GPM/ 200 psi
750 GPM/ 250 psi
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
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
14
Q
Railroad stopping distance requirements?
A
15-50’
15
Q
Type 3 foam tank capacity?
A
16 gallons
16
Q
Metro 2 smoothbore tip GPM
A
250 @ 50 psi
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.
18
Q
Driving 2x the speed increases impact force by how many times?
A
4x
19
Q
Camarillo airport radio freq
A
121.8, Key mic on radio three times in succession. Will last 15 minutes
20
Q
Cam airport tower light codes
A
Red- STOP
Flashing Red- CLEAR RUNWAY
Green- CLEAR
Alternating green/red- USE CAUTION
21
Q
Cam airport movement area rules
A
-Require clearance
-ALWAYS use emergency lighting
22
Q
Cam airport non movement areas
A
Does not require clearance
23
Q
Airport hours
A
0700-2100
After hours turns on lights by transmitting 3 times
24
Q
Airport runway lights
A
Taxiway- blue lights
Runway- white lights
25
How deep of water needed for Floto-Pump?
4”
26
Total Stopping Distance
Total Feet traveled after danger first appears
27
CA DMV HANDBOOK
What can make tires skid?
Over accelerating
Over braking
Over steering
Driving too fast
Retarders
28
You can outrun your siren at what MPH?
50 MPH
29
Rope Shelf life for engine/truck
Engine-10 years
Truck-7 years
30
Nylon Rescue Rope weight rating, lengths
1/2" static kern mantle "low stretch"
9500 lbs
loses 15% strength when wet
600',300',200',150'
31
Info needed for Relay Operation
Capabilities of hydrant
Draft?
Distance
Water tender?
Access
Enough engines in 1st alarm?
Water officer
GPM
Fire Ground Flow
Turn around time
32
Air Brakes Static vs Applied test
Static- No more than 2 PSI/minute (3 for combination)
Applied- Hold brake, no more than 3 PSI/minute (4 for combination)
33
3 types of intake reliefs
Piston
Waterous intake relief system
Combination
34
Pump rating vs at draft (type 3)
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
35
Winch Details
Worn industries M12000
12k weight rating
125’ long
3/8” wire diameter
25’ remote
5 wraps minimum
36
Type 1 minimum # of 2.5” hose?
800’ (600 in rear, 200 Cross-lay)
37
Reading when battery is going bad? Amps or volts
Volts
38
Battery Volt Meter reading
Engine off- 12.2-12.6
Engine running- 13.6-14.2
39
Jump Starting Engine
Positive good
Positive bad
Negative good
Ground bad (12” away from connections)
40
Positive displacement Pump can/cannot pump air
Positive displacement pumps can pump air
41
Centrifugal Pump can/cannot pump air?
Centrifugal pump CANNOT pump air
42
Requirement for flying a member on aerial
Captain discretion and for life safety
43
Hose Testing details
-Tested at 250 Psi for 5 minutes
-Max 300’
-Fails test if drops more than 10psi in 5 mins
test:
New, annually, repaired hose
44
When responding code, how far back should another apparatus follow?
300-500’
45
Form 300
Weekly apparatus Check
46
Form 301
Daily apparatus report
47
Form 302
Rope log
48
Form 303
Apparatus service test record
49
Form 304
RADEFF check off
50
Form 305
Malfunction and maintenance
51
Form 306
apparatus inventory
52
Form 308
New vehicle check off sheet
53
Form 311
Accountable equipment transfer form
54
Form 312
CO monitor maintenance record
55
Form 315
Hose test
56
Form 316
Hose change
57
Engine Oil and Color
15W-40LE “brown”
Check while shut down
58
Power Steering
ATF “red”
59
Transmission oil
TES-295 “RED”
Check at operating temp while running or on dash display in cab
Should be at least 175 degrees
60
Diesel Fuel
#2 Diesel “CLEAR”
61
Hub Oil
Gear oil
85-140 “BROWNISH”
62
Transfer Case Oil
Gear Oil 85-140
63
When at higher altitude what is lost?
Loss of Lift
1’ for every 1000’^
64
Type 3 PTO disengages at what MPH?
18 MPH
65
Type 3 exhaust brake disengages at what MPH?
3-5 MPH
66
Ariel Ladder how many feet away from wires?
10’
67
Max Ariel ladder tip weight?
When flowing master stream?
500 lbs
250 lbs when flowing water
68
Staging area if not given a specific location?
Stage in a position for greatest flexibility or direction of travel as directed from IC
69
Total stopping distance includes what?
Perception time +
Reaction time +
Brake distance =
total stopping distance
70
What is Residual Pressure?
Part of the total available pressure not used to overcome friction loss or gravity while flowing water through pipes, fittings, hose and adapters.
71
What system uses elevation to pressurize the system?
Gravity system
72
Lube, oil, filters Apparatus Service intervals (heavy and light)
Apparatus- 10,000 miles/4 months
Light fleet- 6,000 miles/ 4 months
73
Can fire department park on red curb during non emergency?
SHALL not
74
How many feet for race for water for first in engineer?
150’
75
Minimum water supply for first in fire apparatus on first alarm structure?
400 GPM
76
Max amount of hose at max elevation using educator?
1000’
77
Back up/forward/complete horn signals?
3- backup
2- forward
1- compete
78
Type 3 brakes shall hold apparatus at what grade?
20%
79
Type 3 is tested at what angle to not flip over?
32%
80
Handline nozzle fog/smooth bore PSI?
Fog-75 PSI
Smooth Bore- 50 PSI
81
Master Stream nozzle fog/smooth bore PSI?
Fog-75 PSI
Smooth bore- 80 PSI
82
Intake relief valve PSI’s?
Normal operation- 125 psi
100 PSI for piston/waterous when not in use
83
Steering wheel size/play/percent?
20” size steering wheel
2” of play
10% of wheel size
84
Types of foam
Wet- 0.1-0.3%
Fluid- 0.3-0.5%
Dry- 0.5-1.0%
85
Wildland fire foam for mop-up and deep seated fires
Fluid foam @ 0.3-0.5%
MEDIUM expansion
.5-1% with low expansion nozzle
86
Spring brake, low air alarm, cut-in, cut-out alarms
Spring Brake-20-45
Low air alarm-55-75
Cut-In-85
Cut-out-130
87
Service brake vs parking brake vs emergency brake
Service brake-foot pedal
Parking brake- yellow knob
Emergency brake- black knob (push to apply, and must be running while in use)
88
Can you leave a rig unattended?
No
89
Brake fade and adjustment?
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.
90
Engine is most effective pumping at what PSI?
150 PSI
91
Inspection cut on roof size?
2'x2'x3'
92
Minimum tread depth on steering and non steering axle?
Steering- 4/32"
Non Steering- 2/32"
93
Vehicle Fire on freeway... how do you spot?
Right Skew, Protect pump panel, take additional lane
94
Form 2 5 things:
Time and Place
Narrative
Witnesses
Damage to others
Damage/loss of county property
95
What qualifies for a form 2?
-Damage to private property
-damage more than $200
-injury to employee.
96
Info to GIVE during an accident?
Engineers DL
Engine Co. #
County Risk Management address/phone #
97
When using code lights, what light is most likely to be ignored?
Turn signal
98
Theoretical Lift
33.8'
99
Holmatro Pump B check? When do you start and run for operation?
Weekly
100
First step in positive pressure ventilation?
Close up the house
101
What causes loss of pressure in brake line?
leaks in system
102
First thing you do when "Change-over" is complete?
Communicate "water supply est."
103
Bubblecup GPM/PSI & for what kind of foam?
Bubblecup 20-60 GPM @100psi
Used for Class A Foam
104
Spotting rig during FDC operation
Spot at hydrant closest to the FDC Connection
105
Spotting for aerial ladder master stream. Over/under 200'?
Bumper to bumper (2024 revision)
106
Supply engine PSI to send to attack engine in relay?
50 PSI
107
Drip Torch mixture
3:1
108
What is considered dangerous during hose testing?
pumping a line on the panel side
109
Minimum people needed for vertical ventilation
2 people minimum
110
Max pressure for type 3 engine?
600 psi
111
Positive displacement pumps have __% slippage?
0%
112
Centrifugal pumps have __% slippage?
100%
113
Difference between the pumps in type 1 and type 3?
type 1=single stage
type 3= dual stage
114
When are engines in RPM mode? (4 things)
Helitack
Relay
Drafting
Brush Fire with high elevation and need more pressure
115
Pressure vs. RPM mode on a type 1?
Pressure vs RPM changes the way the fire commander controls the pumps RPM.
116
Pressure vs. volume mode on a type 3?
Pressure vs. volume mode on type 3 changes the way the water flows through the pump for either more volume or more pressure.
117
What is cavitation?
When you have an increase in RPM without a corresponding increase in pressure
118
Definition of Viscosity
Oils resistance to flow
119
Drive belts should have how many inches of play?
1/2"
120
What does coolant consist of?
50% mixture of ethylene glycol and water
121
How much class A and B foam is carried on an apparatus?
Class A- 30 gallon tank +(2) 5 gallon containers
Class B- (2) 5 gallon containers
122
What can a flashover do to the oxygen percent in a structure?
Drop it from 21% to 4% with temps over 1000-1800 degrees.
123
What side of the fire wall do you cut a strip on a commercial building?
Cut first strip on a fire side of division wall
124
Positive Pressure ventilation is ___ as efficient as negative pressure vent.
2x
125
Positive Pressure Vent is most efficient when exhaust opening is __ to __ times the size of the entrance.
3/4 to 2x
126
True or False: When using PPV make sure to pressurize the windward side.
True
127
PPV is effective in winds up to __ mph.
25 mph
128
Define Brake fade
Excessive use of the service brakes resulting in overheating and leads to brake fade.
129
A tank vehicle endorsement is required for a tank of __ gallons or more
1000 gallons or more.
130
When do you pull over for a railroad crossing?
10 or more people or hazard placard.
131
What are the three stipulations a supervisor should refer an employee for testing following an accident?
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
132
What are time frames for post accident drug and alcohol tests?
Alcohol within 2 hours, no longer than 8 hours
Drug test conducted within 32 hours following accident.
133
If employee is found to have BAC of __% but less than __% he/she will be removed from work for __ hours.
0.02% but less than 0.04% and 8 hours
134
Employees may need to report to ___ if BAC is within limits
HQ for 8 hours or may be assigned to a BC for 8 hours of project work
135
T/F? It is permissible to leave district vehicles with locks unattended, provided they have been locked.
true
136
Flows of ___ or more GPM are considered master streams.
400 GPM or more
137
Master stream straight tips are normally supplied with ___ psi.
80psi
138
Practical Lift
20-25 ft
139
Automatic sprinkler systems must be ___ under fire conditions to ensure adequate pressure is delivered to heads.
Assisted
140
If you cannot maintain 150 PSI on sprinkler system… this indicates that additional ___,____ or____ should be utilized.
Water, engine, more lines
141
Friction loss for deck guns and portable monitors?
3-56
142
LIFT is known as?
Difference in elevation between water source surface and center of engine intake.
143
Vacuum is known as?
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
Theoretical Lift formula
One psi can lift water 2.3’
(14.7)(2.3)= 33.8
145
Net Pump Pressure
The pressure that the pump contributes to the production of a fire stream.
146
Net Pressure Formula
Discharge Pressure-Intake Pressure= Net Pressure
147
Net Pressure, pumping at draft
Net pressure= discharge pressure + (.5psi/ft)(height of lift)
Example: discharge pressure (100) + (.5)(10 feet)
= 100+5
=105
148
Type 1 pump capacity vs pressure
100% @ 150 psi
70% @ 200 psi
50% @ 250 psi
149
Like volumes
3x- 0-10%
2x- 10.1-15%
1x- 15.1-25%
<1- 25%+
150
Known Static (% drop) formula
(Static-residual)/static
151
Static Unknown (% drop)
{(R1-R2)/2} + R1
152
Nozzle reaction depends on? ____ &____
Nozzle pressure and amount of flow
153
Copter Kamlock requires how much PSI? What size is kamlock?
15 psi, 1 3/4"
154
Centrifugal pumps develop ____ and turn it into _____
Velocity and turn it into pressure
155
Tire wear on under inflated tires?
Outer edges
156
Percent capacity and pressure
100% @ 150 psi
70% @ 200 psi
50% @ 250 psi
157
In order to move a vehicle with a dual air brake system. How much pressure is required to move the vehicle?
100 psi in both tanks.
158
Applied brake test for single vehicle axel
No more than 3 psi drop in 1 min
159
Static leak test
No more than 2 psi drop in 1 minute for single axel vehicle
160
Low air pressure warning should come on between ____-____ psi
55-75 psi
161
Spring break should come on automatically between what psi’s
20-45 psi
162
Air pressure should build how fast?
85-100 psi in 45 seconds
163
What flows should you consider maximizing your hydrant?
1000 GPM
164
Your internal relief valve must never be set above?
125 psi
165
When pumping operation stabilizes, what RPM differential do you need?
300-400 rpm, 40 psi
166
CAFS
compressed air foam systen
167
Foam for initial attack and for use with standard fog nozzle?
0.1-0.3%
168
It is best to remove people from interior stairwells or by aerial?
Interior stairwells and exits
169
The best position of the turntable for rescue depends on?
Number and location of victims.
170
Is the aerial an effective way of removing windows in horizontal vent?
Yes
171
Collapse potential rule of thumb
Rule of thumb is to leave minimum of 40' between the building and the truck.
172
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.
1 to 5 mins
5 to 10 mins
173
High wind conditions for aerial use?
gusts of 50 MPH or more
174
Beach Driving prep?
-reduce air in tires to widen footprint
-Put in 4WD
-Visualize and plan a route.
175
Beach driving Safety while driving?
-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
Speed is?
Positively Objectionable.
177
Fire apparatus traveling at ___ mph, the equivalent falling distance would be ___times as great, or ___ feet. The average height of a 4 story building.
40 MPH, 4x, 56 feet
178
An authorized emergency vehicle is one furnished by the VCFD equipped with?
Red light and siren, operated by a member of the fire department.
179
2 qualifications for it to be an emergency vehicle?
-must display a lighted steady red light, visible to the front.
-Siren must be sounded as reasonably necessary.
180
One lighted red lamp which is visible in normal atmospheric conditions for how many feet?
1000 feet to the front
181
Pass on the right only when?
No other course is open
182
Basic Speed Rule
Never exceed a speed which is reasonable and proper, even when the law permits a speed higher.
183
Stop how close to a railroad crossing?
Stop 15-50 feet from the nearest rail.
184
Do not back more than ___' without performing another walk-around.
25'
185
Backing Guides should be between __-__feet
15-25'
186
Checking transmission fluid levels
-operating temp (175 degrees and engine running)
-in neutral and engine must be at idle
-Check with fleet before adding fluid.
187
Five steps to expert seeing
1. Aim high
2. Get big picture
3. Keep eyes moving
4. Leave yourself an out
5. Make sure they see you
188
Keep at least __ car space ahead for each 10 mph of your speed.
1 car space.
189
Approx Engine temp while running
220 degrees
190
Engine oil pressure gauge range?
20-60 PSI
191
Low pressure in oil pressure gauge is indicative of?
-Low oil in crankcase
-Broken oil line
-Oil pump not operating
-Badly worn bearings and or cylinder walls
192
Backing accounts for what % of accidents?
85%
193
What should you do if you start to skid?
Turn wheel in same direction you are skidding.
Apply brakes on and off.
Let wheels revolve.
194
DMV notifies the dept within?
2 weeks
195
What is considered significant damage?
-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
Drum or disc brakes are less susceptible to brake fade?
Disc
197
Traffic cones shall be placed at ___ foot intervals upstream with furthest cone approx ____ feet to allow for adequate advance warning.
25’ intervals
150’ upstream farthest cone
198
Employees shall notify supervisor of DMV or license changes how soon?
Immediately
199
In the DMV “pull program” they notify your employer how soon after an event?
Within 2 weeks of events such as:
-no change
-crash
-convicted offense
-license suspended
200
An employee will be notified by the DMV if a request is made for a copy of the employees record. T/F?
True
201
Apparatus with the total height of ___ feet or taller shall have vehicle, height weight, and width recorded and visible
9 feet
202
If a vehicle is broken down, can it be left unattended?
No
203
Who is ultimately responsible for oversee of safe tiller operation?
Tiller captain
204
Apparatus is defined as a vehicle over ____ lbs or a vehicle designed as a firefighting equipment.
26,000
205
Cell phone use while driving?
Must be Bluetooth or hands free, otherwise pull over.
206
A full walk around of vehicle is not required for what type of fleet?
Light fleet
207
When should a pre trip inspection occur?
Of vehicles over 26,000:
Beginning of each shift
Anytime there is a change in operator
208
Apparatus Service Intervals (Coolant, ATF, Lube oil filters, Tires)
Lube Oil 4 months/ 10,000
Coolant 5 years/100,000 replacement
ATF 4 years/150,000
Tires 7 Years
209
VMU hours?
0730-1630, weekdays
210
IC may give approval of removal of SCBA when what is met?
CO readings?
O2 levels?
CO readings consistently remain below 25 PPM
Oxygen level above 19.5% and below 23.5%
211
Cease Ops/All quiet
Emergency abandonment air horn signal
Resume/All Clear
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
All accidents with district vehicles shall be reported per AP 13302, “_______”
Occurrence report
213
Post “significant damage” protocols
-Notify FCC
-dispatch a BC
-driver gathers information
[DL exchange, witness info, shared info, statements]
214
Accidents while driving district vehicle:
Gather what info during DL exchange?
-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
What information to obtain from identifiable witness during a significant damage district vehicle crash?
Name
Address
Phone Numbers
216
What info do you GIVE the involved party after an accident?
-Show operators DL
-County risk management address and phone number
-engine co or work assignment
217
What type of Rope do we use for main and belay?
1/2" kern mantle rope
218
Class A foam “line” on a brush fire should be ____x the width of fuel
1.5x
219
Portable monitor GPM/PSI
1250/75
220
Floto Pump GPM/PSI
140 GPM/135 psi
221
Mark 3 GPM/PSI
89 GPM/50 psi
222
How often should you re-apply foam
blankets? (Class A & B)
Class A every 15 mins
Class B every 5 minutes
223
Distance behind truck for ladders?
40'
224
Elkhart GPM and PSI
350/50
500/55
900/67
1250/75
225
Webbing Rating
1"- 4,000
2"- 7,000
226
Utility Rope
100'
5800 lbs
227
FDC sprinkler and standpipe system label on sign?
AUTO SPKR and STANDPIPE
228
Brake lag distance
Feet traveled in .4 seconds
Time required for air to pass through a properly installed air brake system in good condition
229
Prusik size and length
8mm
5.5 and 4.5'
230
Never take a hydrant that is below ___ PSI
20 PSI
231
Depth of water for drafting?
Minimum 4 feet deep
2 feet below the surface
232
Rules to safe extrication
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
Hose clamp distances
20' from engine, 5' from couplings on incoming water side
234
NFPA Standard for Fire Apparatus Driver/Operator Professional Qualifications
NFPA 1002
235
Stages of Fire
Incipient, Growth, Fully developed, decay
236
Webbing Rating
1"- 4,000
2"- 7,000
237
Systems engineers cannot fix unless supervision of mechanic?
"EBS"
Electrical
Braking
Steering
238
Brakes OOS criteria
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
Spare Sprinklers #
1-300 sprinklers = 6 spare
301-1000= 12 spare
1001+= 24 spare
240
Average temp for sprinkler heads
165 degrees
241
Lightweight/metal roofs can fail in how many minutes?
5-10 mins
242
Rosenbauer Specs
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
Type 3 specs
Westmark Model
International DT
539 gallon tank
Remain upright on 32 degree slope with full tank of water
244
Tires OOS criteria
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
For a strip to be effective, how wide should it be?
3' wide
246
Hose Marking colors
Yellow
Green
White
Blue
Red
247
Draft Test
20' of 6" hard suction with 10' of lift at 150 psi, 1500 GPM
248
At 212 degrees, water expands to ___x its original volume?
1700x original volume
249
3 methods of moving water
Direct pumping
Gravity system
Combination
250
Fire extinguisher Classification icons
A- Green triangle
B- Red Square
C- Blue Circle
D- Yellow Star
251
COLA
252
What size should the hole be for vertical vent?
10% of the involved area, as close to over the fire as possible.
253
Primary nozzle and GPM setting for class B fires?
Fog nozzle set to 60 GPM
254
foam GPM for hydrocarbons vs polar solvents (hint .1 or .2)
Hyrdrocarbons = .1 gpm (1 word)
Polar solvents= .2 gpm (2 words)
255
Stab braking can only be done in vehicles without ____?
ABS
256
When performing the Low Air Warning alarm, the audible alarm should go off before gauge gets no lower than ___ psi?
55
257
Rules of the Road CVC #21055
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
CVC # 21056
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
Type 3 intake relief valve set at?
150 psi
260
When controlling a Bee Swarm what percent of foam should be used with a fog nozzle?
Fog stream with Class A foam at .5%
261
Clearance from lines when smoke is present?
35'
262
When should PFD's be worn?
within 10' of water
263
Multistage pump in volume mode
Volume mode=Parallel
Double the volume, half the pressure
264
Multistage pump in pressure mode
Pressure mode= Series
Half volume, double the Pressure
265
Auxiliary Braking systems
Exhaust Brake
Transmission output retarder
engine compression brake
Electromagnetic Retarder
266
Fire engine High voltage lines and transmission towers electrical safety distances
100 ft high voltage lines
35 ft towers
267
Gas engine oil
5w-30
268
Leaf spring OOS
1/4 or more missing
269
Shift trades per year?
38
10 protected
270
Educator back pressure is the sum of what 3 things?
1. Nozzle pressure
2. Head pressure
3. Friction loss
271
Normal engine RPM is?
600-700
272
Water tender placement on a fire?
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
Per CA DMV air pressure should build from ____ to ____ psi within ___ minutes
50-90 within 3 minutes
274
Perception distance?
Average perception time for an alert driver is 1 ¾ seconds.
At 55 mph this is 142 feet traveled.
275
Reaction distance
Average driver has a reaction time of ¾ to 1 second
At 55 mph this accounts for 61 feet traveled.
276
Braking distance
At 55 mph this is 216 feet
277
Total stopping distance (feet)
Minimum 419 feet
278
When you double your speed from 20 to 40, the impact is __x greater
4x
279
Triple your speed from 20 to 60, impact is __x greater
9x
280
Empty trucks require greater stopping distances because an empty truck has less ___
Traction
281
Per DMV how much space in seconds should you leave between you and other vehicle
1 second per 10 feet of vehicle length (under 40 mph)
Over 40 mph, add 1 addt second
282
Approval for engine movement on airport is given by who?
Camarillo ground control by radio, cell phone, or light signals
283
Flows more than ____ GPM require the use of 4” hose and 4” intake
500 GPM
284
Flows more than ___ GPM should be done with multiple water sources
2000 GPM
285
2Limiting factors when pumping from tank?
Size of plumbing and size of tank
286
Using 1.5” hose instead of 1.75” hose while using an eductor will reduce length of maximum hose lay by ___ %
50%
287
T/F Class A foam concentrate increases the ability of water to absorb heat?
False
288
When using class a foam, the surface tension will not decrease significantly in solutions above ____
1%
289
Best nozzle for pre treatment of a structure is a ____ at ____% solution
Medium expansion nozzle at .5-1%
290
T/F Class A foam is effective as a barrier over flammable liquid spills
True
291
T/F fresh, salt or brackish water can be used to proportion class B foam
True
292
Gravity system effectiveness height?
100’
293
Who makes the overall decision on if a vehicle needs to be towed?
VMU
294
Who can make modifications to inventory or 306?
Assistant chief of emergency services
295
Best source of information for relay operations?
Hydraulics Card
296
Structures built prior ____ generally incorporate conventional construction of the roof.
TM says mid 1950’s
prior to 1960
297
Issue with using 2nd and 3rd in for water supply?
Could overlook water supply
298
For it to be considered a trench, it cannot be wider than ___ft
15 feet
299
General rules of the road Cvc?
21052
(general, under normal road conditions, not emergency)
300
17004 CVC relieves an operator from?
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
CVC for transporting persons requiring medical aid? What must be met in order to transport?
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
Per IFSTA, NFPA 1901 requires air pressure to build to sufficient level to allow vehicle operations within ___ seconds of starting.
60 seconds
303
When the pump is at idle with no water flowing it creates a pressure boost of ____?
30 psi
304
ALF specs
9’6” tall
28’6” long
37,600 GVWR
305
NFPA requires a minimum flow of ___ GPM from the tank
500
306
Per TM Most engines can pump _____ GPM from tank.
600-700
307
Aerial ladder max GPM
1500
308
Swiftwater water speed
1.5 mph or faster
309
Type 3 pump and roll relief valve pressure
150 psi
310
Rotary Vane pump is a type of___ pump
Positive displacement pump commonly used in hydraulics systems.
311
T/F Centrifugal pump is a positive displacement pump?
False. It doesn’t pump a definite amount of water with each revolution like a rotary vane positive displacement pump
312
Master Intake Guage AKA
Compound or vacuum gauge
313
Intake gauge measures?
Positive pressure and vacuum
314
When the vacuum reading approaches ____ in of mercury, the pump is nearing its capacity and is not able to supply additional lines.
20 in mercury
315
Voltmeter
Device used for measuring EXISTING voltage in an electrical system. Provides a relative indication of battery condition.
316
Ammeter
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
What does DDEC stand for?
Detroit Diesel Electronic Fire Commander
318
How much water should be above the strainer for pump to reach capacity?
24” and recommend 24” around as well
319
What position should type 3 be in while pulling a draft?
Parallel (volume)
320
Combination sprinkler and standpipe system.. what PDP do we pump too?
Calculate PDP for that ffs hand line and pump to that.
321
This principle of pressure states that fluid pressure is perpendicular to any surface on which it acts.
FIRST PRINCIPLE OF PRESSURE
322
Which principle of pressure is used during hydrostatic testing?
2nd principle- fluid pressure at a point in fluid at rest is the same in all directions.
323
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?
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
Per IFSTA above what elevation is a drop in atmospheric pressure problematic for pumping from draft?
2000 feet
325
What describes the roughness of the inner surface of a pipe?
Coefficient of friction
326
Most common method of moving water?
Combination
(Direct, gravity, combination)
327
Valves are categorized into 2 types?
Indication (PIV) and non-indicating
328
How often should we pull and reload hose to prevent deterioration?
Quarterly (form 316)
329
Per NFPA how much fire attack hose (1.5/1.75) should be carried on type 1?
400 feet
330
Per IFSTA Can smooth bore nozzles be used to apply compressed air foam?
Yes
331
Standpipe class 1,2,3 classifications?
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
Above how many feet may an engine without a 2 stage pump be able to deliver water pressure through a standpipe/FDC?
450 feet
333
How much psi is required to raise water 1 foot?
.434 (one psi will lift water 2.31 feet)
334
Height of standpipe connection?
3-5 feet from floor
335
Type 3 pumping- for flows over 350 GPM, should you be in pressure or volume mode?
Volume
336
Helitack pumping- if turnaround time is going to be longer than ___ to ___ minutes, then you can shut down the pump.
15-30 minutes
337
How many simple packs on type 1 and type 3?
Type 1- 5
Type 3- 8
338
Aerial ladder length and effective reach?
105 feet
7 stories
339
Aerial ladder max water stream?
1500 GPM
340
Per NFPA where are standpipes required to be placed?
Each exit stairwell
Hose stations no more than:
150’ on non sprinklered buildings
200’ sprinklered buildings
341
Truck aerial GPM/psi
500@50
1500@75
342
It was determined that in ___% of all collisions, the driver/operator was not aware of a problem until it was too late to correct.
42%
343
Cleaning PPE with extractor should happen how often?
6 months
344
Describe Hydrocarbon Fuels
Petroleum based combustible or flammable liquids that float on water such as gasoline.
345
Describe Polar Solvents
Flammable liquids that mix with water such as ethanol.
346
What lights should be on when parked on a roadway blocking or partially blocking traffic?
Red lights front and rear, and directional signals.
347
Law requires turn signal to be given ___ ft continuously prior to a turn.
100 ft
348
What is one consideration for spotting truck and engine for elevated streams?
Knowing your local water systems and truck friction loss may allow some flexibility with the 200’ limit.
349
In all occupancies, the maximum travel distance to an extinguisher for class A hazards is ____ ft
75
