Engineer Specific Flashcards
1
Q
There must be at least how much water over the strainer?
A
24”
2
Q
when backing an apparatus, sound how many blasts immediately beforehand?
A
2
2
Q
NFPA 1901 requires that all apparatus with a GVWR of 36,000 lbs or greater be equipped with?
A
auxiliary braking system
3
Q
When do palms face spotter using both arms?
A
when backing straight
4
Q
Boundaries between wildland and structural development are called?
A
wildland urban interface
5
Q
if you have to drive into smoke area where crews operate, you must?
A
sound horn, use warning lights, drive slowly
6
Q
Water tender must carry how many gallons?
A
1,000 gallons
7
Q
Law of inertia states that?
A
an object in motion, stays in motion. Objects at rest, stays at rest, unless acted upon by an outside force.
8
Q
What speeds do emergency vehicles out run audible devices?
A
50 mph
9
Q
Which NFPA requires water tenders to be filled at a rate of at least 1,000 gallons?
A
1901
10
Q
What caused green lights for fire apparatus in direction of travel and reds for others?
A
preemption devices
11
Q
Any wildland fire attack should begin being positioned in an
A
anchor point
12
Q
Any apparatus with less than _____ must have a tank fill line of at least 1 inch
A
1,000 gallons
13
Q
What is the advantage of a brush truck?
A
pump and roll
14
Q
Average brush trucks carries how much water?
A
500 gallons
15
Q
Road test are performed with?
A
fully loaded truck at service weight
16
Q
Float strainers have a minimum depth of?
A
1 foot
17
Q
Float pumps are capable of producing?
A
500 gpm
18
Q
The height that a column of water that may be lifted by atmospheric pressure in a true vacuum at sea level is called?
A
theoretical lift
19
Q
How many feet is a theoretical lift for a column of water?
A
33.9 feet
20
Q
In theoretical lift, as the elevation increases, the height will?
A
decrease
21
Q
Max lift in a fire truck?
A
25 feet
22
Q
What are common types of skidding?
A
acceleration & locked wheel
23
Q
NFPA 1901 specifies that the minimum pump capacity for pump design is?
A
750 gpm
24
Portable generators are designed to provide power at?
5,000 watts
25
The section of the pump that gradually increases in cross sectional area as it nears the discharge outlet of the pump is the?
Volute
26
When a pumper is connected to a hydrant, and 1" line is opened, the residual pressure will drop 20%. this indicates the hydrant should be able to supply?
one additional set up at the same size
27
When using a centrifugal pump to supply hose line and nozzle is shut off quickly, the pressure travels back to?
Water main
28
If the speed of the stream of water is increased beyond limits, and friction loss becomes so great that the stream is agitated by resistance, this is known as?
Critical Velocity
29
Master stream flows at?
350 gpm
30
Back pressure is also known as?
Head pressure
31
What flow test is done when an apparatus is equipped with onboard water tank?
Tank to pump
32
Pump cert tests performed by?
independent testing organizations
33
If pump fails to reach _____ inch of mercury, remove the apparatus from service.
22
34
What braking systems are most commercial and private vehicles (built since 1990) equipped with?
anti-lock brakes
35
Which brake is the least capable of the four auxiliary brake devices?
Exhaust
36
Pump ratings NFPA 1901: percentage rated capacity at 150 psi, 200 psi, & 252 psi?
100%, 70%, 50%
37
Volunteer FD should inspect/maintain trucks at least?
weekly/biweekly
38
Fire apparatus with pump rated capacity less than 750 gpm are required to undergo same cert test as pumps over 750 gpm with exception of?
pumping engine overload test
39
Hydrostatic test performed to ensure that the pump can with stand high pressure pumping demands: _____ psi for minimum of _____ minutes.
500/10
40
Pumping test checks overall conditions of
engine and pump
41
Pitot tube used to find flow pressure at?
discharge opening
42
Air horn stops working at?
drops below 80 psi
43
Rescue vehicles commonly have generators with capacity up to?
50,000 Watts
44
What improves traction and handling by locking the differential during off road/wet conditions?
driver controlled differential lock
45
What occurs when throttle is applied in manual transmission in too high a gear for the demand of the engine?
Lugging
46
Why should a small line be left discharging when running a drafting operation?
if no water is discharged, the smallest air leak may result in a loss of vacuum
47
A _____ is also called a throttle knob
Vernier
48
Air exhaust and vacuum are different types of?
Primers
49
What may use jet siphoning devices to transfer water from one tank to another?
portable tanks
50
What pump must be primed before operation?
Centrifugal pump
51
A term for apparatus that is empty with no tools or gear?
Curb weight
52
What is the forward velocity pressure at a discharge opening when water is flowing?
Flow pressure
53
What is a gauge that indicates amount of electrical current being drawn?
Ammeter
54
Which pilot valve is the most common type of pressure relief valve?
Spring controlled
55
NFPA requires fire apparatus have a water tank capacity of at least?
300 gallons
56
Operating from negative pressure can increase the possibility of what happening to fire pump?
Cavitation
57
What is a device used for measuring existing voltage in an electrical system?
Voltmeter
58
Fog nozzle pressure is?
100 psi
59
When sprinkler system is being charged, how many pounds of pressure should be maintained on discharge gauge?
150 psi
60
In the same size hose, FL varies approximately inversely as the?
square of the velocity of flow
61
Max theoretical height possible to lift water by suction at sea level is?
33.9 feet
62
According to NFPA 1901, mobile water supply apparatus must carry at least?
1,000 gallons
63
NFPA 1901 states that piping should be sized so pumpers with a capacity of 500 gpm or less are capable of flowing ______ from booster tank
250 gpm
64
steering wheel play should be no more than _____ degrees in either direction.
10 degrees
65
DPF need to be regenerated or vehicle may not operate properly. Regen requires exhaust temps to be?
Elevated
66
Engine lugging happens when?
manual transmission shifting in too low a gear
67
When driver controlled differential locks are on, it may feel like its driving?
Straight in a turn, and tires may scrub
68
4 practical driving exercises
alley dock
diminishing clearance
serpentine
confined space turn around
69
When should an engine speed check be conducted?
under no load and after all fluids are with in recommendations
70
Where should you place engines on hazmats?
Upwind
71
Larger/modern fire pumpers are equipped with what brakes?
Air brakes
72
ABS brakes don't necessarily provide faster stopping, but enhances?
controlled stops and reduces skidding
73
Water tenders are designed to be filled at?
1,000 gpm
74
On 20 inch diameter steering wheel, there should be how many inches of play?
2 inches
75
Pre plumbed aerial ladder is an?
elevated master stream
76
Master stream fog nozzle operate at what psi?
100 psi
77
Fill tenders with open ended ______?
Butt
78
Multiple tank fill operates at?
300 gpm
79
How to figure out how much more water a hydrant can supply?
1st digit percent squared method (difference between static and residual pressure)
80
Intake hose connected on shore and length of pipe extended into water with strainer on end is a?
Dry hydrant
81
What device turns lights on at specific intervals?
Load sequencer
82
When overload occurs, the monitor will shut down less important electrical equipment this is?
load shedding
83
What causes the clutch to not release completely, harsh shifting, and gear clashing/damage to teeth?
Excessive free play
84
What device is used in the air brake system that connects between the activation pads and brake pads to compensate for pad wear?
Slack adjuster
85
What fluid do you check with truck on?
Transmission Fluid
86
Weight transfer caused by movement of water flow is?
Law of inertia
87
Use the service brake & auxiliary brakes as well as manually shifting to lower gears to limit?
Speed when driving downhill (lower speed blow max RPM)
88
What is the loss of braking function due to excessive use of brakes & speed?
Brake Fade
89
Most modern large FD apparatus have what braking system?
Air actuated
90
Roll stability control (RBC) is integrated in ABS system. This includes a lateral accelerometer that senses?
When side force caused by concerning approaches the roll over threshold
91
NFPA 1911 says to change tires every?
7 years
92
What component of load management system load sheds?
The load monitor
93
What is the purpose of DEF?
Cleaner emissions for diesel engines
94
What does the society of Auto Engineers number for engine oil indicate?
Viscosity of Oil
95
Which pumper should have largest capacity in relay operations?
Water supply pumper
96
When large quantities of foam for wildland/industrial fire is needed, method of storage should be?
Totes
97
Purpose for pre-performance testing?
Ensure pump/powertrain perform as specified under normal use
98
When using static water source to conduct pump performance test, strainer should be _____ feet?
2 feet
99
During brake test, how long for air pressure to build up?
60 seconds
100
Operations where strong hydrant is used to supply 2 pumpers, intake to intake is called?
Dual pumping, 2nd pumper receives excess water not being pumped by 1st pumper
101
What is a short relay operation in which pumper taking water from supply pumps into intake of 2nd pumper?
Tandem pumping, 2nd pumper boots pressure of water
102
Taking a bumper line, & looping back to your tank does what?
Method of cooling pump
103
NFPA 1901 states a side-to-side variance should not exceed?
7%
104
Class A foam application method is?
Direct application
105
What properties does water have?
Cooling
suppressing
106
When connecting to a hydrant, stop short, or pull past in order to allow?
Hose to curve
107
Accelerator pedal free play means?
Throw out bearing
108
Excessive free play can cause?
Damage to teeth
harsh shifting
gear clash
109
Electromagnetic braking is connected to?
Driveshaft or rear axle
110
PTO pumps limit its pump capacity to?
500 gpm
111
Hydrostatic pump up to?
1,000 gpm
112
Gate or butterfly valves may be equipped with?
Hydraulic, pneumatic, or electric actuators
113
What must be open in order to remove air from system so water may enter pump from supply line change over without interruption of fire stream?
Bleeder line open
114
Positive placement primer is most common choice, but not as common as?
Electrical
115
Dependable lift is?
14.7 feet
116
Max lift is?
25 feet
117
118
ow level strainers draft as low as?
1.2 inches
119
1,000 gpm pumper to supply FDC to every _____ sprinklers?
50 sprinklers
120
Mobile water supply apparatus must carry at least _____, and are limited to ____ or less for single rear axel.
1,000 gallons, 1,500 gallons
121
Aerial apparatus must have minimum pump capacity of?
250 gpm
122
Inverters produce how many watts?
1,500 watts
123
Water tenders fill at least 1,000 gpms & carry at least 1,000 gallons. Today, majority carry?
1,500 - 3,000 gallons
124
How often are brakes tested?
Annually
125
Pumps tested hydrostatically at
250 psi for 3 minutes
126
NFPA 1901 requires all gauges to be calibrated with in how many days of service testing?
60 Days
127
NFPA 1901 states pumpers with less than 500 gpm flow _____ from booster pumpers with 500 gpm or more flow?
250, 500
128
Flowmeters provide water flow in?
GPM
129
Break over angle is created from rear tires toughing ground to the bottom of frame at the?
Wheelbase midpoint
130
Electromagnetic torque provides greatest ____ braking system?
Auxiliary Braking
131
Auxiliary engine driver pump may be part of _____ mount assembly, or mounted on _____ truck?
Skid, pick up
132
Max flow of handline is?
350 gpm
133
You should never proceed in the opposite direction of a onramp unless what?
The road is closed & blocked by police
134
When loading hose in a forward motion what speed shoudl you never exceed?
5 MPH
135
Hydrants pre-piped with a floating strainer are called
Dry Hydrant
136
The 1st digit method or squaring the lines is used to
Calculate available water
137
In a wild fire attack the position of the apparatus is what
The Ancor
138
Apparatus should maintain a clear zone of how far from railroad tracks
30 feet
139
Play in the steering wheel of more than what % is not allowed
10%
140
Most damage done to an apparatus is done when?
When backing
141
Before tilting the cab what should you do?
Make sure the overhead is clear
142
Before you leave for an incident you should make sure of what?
That everyone is belted
143
When does brake fad occur?
When the brakes overheat due to excessive use
144
Any person working near a body of water are required to wear what?
PFD (Personal floatation device)
145
What uses the GPS & the radio transmitter in the apparatus to preempt a signal at an intersection
GPS traffic signal preemption
146
What works by a strobe light activating a sensor at the traffic light. It generates an optical signal turning the signal to green in the direction of travel
An emitter or traffic emitter
147
What does ESC or electronic stability control do?
It applies the brake independently to aim the vehicle in the direction that the operator positions the steering wheel
148
Audio sirens out run the effective range its audible warning device at speeds above what?
50 MPH
149
What area is between wild-land & rural area?
Wildland urban interface
150
ABS systems don't stop the vehicle faster but what do they do?
Greatly increase controlled stops
151
Modern apparatus may be equipped with what type of braking system
Air-activated braking systems
152
What is the lowest amount of water that floating strainers can draft from?
2 feet
153
Older vehicles may be equipped with what type of braking system
Hydraulic braking system
154
What uses an intake connection that goes into a natural source with a strainer on the end?
Dry hydrant
155
Gears braking and hard shifting are a result from what
Excessive play
156
In engines 2007 and newer with DPS it is crucial to do what?
check the exhaust connection and flex pipe
157
When is the engine speed check done?
with no load
158
Steering wheel sensors along with accelerometer are also equipped with what?
Stability control sensors
159
If an operator finds damage what must he/she do first
Document
160
A operator must get in the cab and start the engine to perform what test?
Function
161
Weather permitting what test should be done outside
Function
162
The vehicle weight with no water, tools, or passengers is what?
Curb weight
163
What system are slack adjusters in?
Brake system
164
Brush trucks are capable of what GPM with what gallon tanks?
500 gpm/500 gallon tanks
165
Turning off appliances to prevent overload is known as?
load shedding
166
What turns things on in intervals as to not do it all at once?
load sequencers
167
why must a hard suction fill site be monitored?
if may become unsafe dangerous to and have to be relocated
168
DEF is used to reduce what
Nitrogen oxide
169
All tires on an apparatus must
match
170
How often should tires be replaced on an apparatus
7 years
171
Side to side weight cannot very more then what percent
7%
172
What are some of the problems with homemade pumpers
they are top heavy
173
when walking into relieve the current driver/operator you should ask what?
any incident & equipment out of service
174
What uses a pick up tube, that uses a pressure differential from the water stream passing through the venturi?
Enductor
175
If the operator on an aerial has the DCDL locked & hears tires scrubbing what should be done?
Not worry because it is normal
176
Why does an engine pull past or short of the hydrant?
To allow the hose to curve
177
A counter clockwise turn between the hydrant & the pumper does what?
keeps from forming kinks
178
Direct application is a method of applying what type of foam?
Class A
179
If the operator during backing feels unsafe what should he/she do?
Stop & apply the parking brake
180
In the water shuttle operation what part of the operation are the nurse tender & portable tank?
The operations located at the dump site
181
What is dual pumping?
One strong hydrant that supplies 2 pumpers
182
2 short blast of the air-horn indicate what
Backing up
183
What are the least desirable hydrants?
One located at a dead-end main
184
Water tenders must be capable of a portable tank at what GPM
1,000 GPM
185
If an apparatus does not reach adequate air pressure in the allotted time, it may be necessary to do what?
Add an electric air compressor
186
SOPs, the officer, and the driver/operator will determine what on scene?
apparatus placement
187
Brush trucks have the ability to do what
Pump and roll
188
Engine lugging is caused by
The manual transmission being in to high of a gear
189
What is the only fluid that you check with the engine running
transmission
190
What mode do you set the attack pumper in?
Pressure mode
191
When do most collisions occur?
At intersections
192
Keep your eyes moving, always leave an out when doing what?
Emergent driving
193
Who do complex repairs have to be done by?
Certified Mechanic
194
If the spotters wants the driver to pull forward in the backing operation, the spotter must first do what?
Stop the driver
195
While backing, the spotters palms should be facing which way?
Towards the spotter
196
What is elevation pressure affected by?
Topography
197
How do you solve engine lugging?
Get an automatic transmission
198
What does SEA refer to?
Oil Viscosity
199
Most vehicles after 1990 are equipped with what?
Anti-lock brakes
200
What type of brakes do most apparatus have
Air actuated brakes
201
During water shuttle operations the best layout is what?
Not always the closest
202
During relay pumping what do you want to do?
Put the largest pumper at the water source
203
Foam concentrate of 0.1% - 1.0% is for what type of foam?
Class A
204
What is the protocol for staging when 1 or more apparatus are at the scene?
Level 1 Staging
205
What is used for an efficient connection to a natural water source with a prepiped system?
Dry hydrant
206
What type of pumping with the attack pumper uses short distances from the hydrant but a long distance from the scene?
Tandem pumping / Relay pumping
207
Pumpers can be set in RPM mode & direct pumpers are set in?
Pressure mode
208
Intake hose is common in 10 feet to ______ lengths?
100 feet
209
What can result in the clutch not releasing completely causing harsh shifting, gear clashing, & damage to gear teeth?
Excessive free Play
210
FD personnel, especially driver/operators may be involved in
Acceptance testing
211
Freeplay is the distance that the pedal must be pushed before the ______ actually contacts the clutch release fingers?
Throw-out bearings
212
NFPA 1911 specifies that all gauges used for service must be calibrated within _____ of testing
60 days
213
Other than locked wheel skid, what other kinds of skid is common?
acceleration skid
214
The _____ elevates the overall operation of the engine & fire pump
Pumping test
215
You should avoid discharging foam concentration solutions or finished foam directly into
A body of water
216
The U.S. bureau of land management conducted research that resulted in the development of this high energy foam
Class A
217
Rescue vehicles commonly have generators with capacities up to _____
50,000 Watts
218
NFPA 1901 brake test requires that a new fire apparatus be brought to a complete stop from a speed of 20 mph in a distance not to exceed _______
35 feet
219
When driving through smoke what should be done besides sounding horn
Drive close to the crew
220
Because total vacuum is not possible in field operations, fire apparatus must have a maximum lift of ______.
35 feet
221
NFPA 1901 specifies that the minimum pump capacity for pump design is:
750 gpm
222
when drafting, the maximum theoretical lift is:
33.9 feet
223
According to NFPA 1901, a mobile water supply apparatus must carry at least
1,000 gallons
224
Portable generators are designed to provide power with _____ watts of power being the largest
5,000
225
dependable lift = ______ feet
14.7
226
An apparatus with air brakes, NPFA requires the air pressure to build to a sufficient level to allow vehicle operations within _____ seconds of starting
60
227
Elevating water devices typically range in height from ______ to _____ feet?
50-75
228
When using 2 1/2 or 3 inch hose lines to supply the pumper directly off the hydrant pressure, it is recommended that the lines be no longer than:
300 feet
229
The water supply in a typical residential swimming pool:
May contain adequate water supply for a fire in a single family home
230
Lift can be described as the difference in elevation between the surface of the static water supply & the:
Center of the pump intake
231
In most circumstances, maximum lift is approximately:
25 feet (7.5m)
232
The driver/operator of the attack pumper should not attempt to correct minor fluctuations as long as the intake pressure:
Does not drop below 20 psi (140 kPa)
233
The driver/operator must consider that when a standpipe or hoseline is changed, there ______ until the nozzle is opened
is no flow through the system or hose layout
234
What is the function of bleeder valves
Allow air to bleed off as incoming supply hose is charged
235
What allows later arriving pumpers to tie into the relay and boost pressure and volume after it has already started flowing, without interrupting the water supply?
inline relay valves
236
What is a likely cause if a driver/operator receives a message from an attack team that the volume of water at the nozzle has suddenly decreased without a corresponding change at the flowmeter?
a hoseline may have burst
237
Low-level strainers are most commonly used to draft from:
portable water tanks
238
When large diameter hose (LDH) is used in relay operations:
The LDH often requires only one supply line to meet fireground requirements
239
What do some jurisdictions do to help avoid problems with silt and debris?
install dry hydrants at favorable drafting locations
240
When providing flow required to reach the capacity of the pumping apparatus, floating strainers may be used for water as shallow as:
1 foot (300mm)
241
When shutting down the relay, beginning with the attack pumper and coordinating with other pumpers in the relay, each driver/operator should:
slowly decrease the throttle and open the dump line valve
242
What is most likely to require specially threaded adapters or other tools to operate the sytem?
agricultural irrigation systems
243
What is typically found on large commercial or industrial properties and contains many million gallons of water?
ground reservoirs
244
All firefighters working in close proximity to bodies of water must wear personal floating devices and use safety lines:
regardless of assumed depth
245
What directly affects the reach of the fog stream?
volume of water flowing
246
nozzle reaction occurs as water is discharged from a nozzle at a given pressure and:
A counterforce pushes back against operating the hoseline
247
The difference between static pressure and normal operating pressure is:
The friction caused by water flowing through the pipes, valves, and fittings
248
A solid stream nozzle produces a fire stream that has a:
Tight stream and little spray or shower effect
249
When a pumper is being supplied by another pumper, net pump discharge pressure is the difference between pump discharge pressure and:
Incoming pressure from supply source
250
For fire protection purposes, ordinary fresh water is considered to weight:
8.3 lb/gallon
251
Why does the third principle of friction loss demonstrate the advantages of larger size hose?
for the same discharge, friction loss varies inversely as the 5th power of diameter of hose
252
Which apparatus has the ability to supply its own master stream & may function with the capability of an engine or a ladder company?
Aerial apparatus equipped with a fire pump
253
Which apparatus would be most beneficial in assisting municipal fire departments with large scale flammable liquid incidents?
Aircraft rescue & fire apparatus
254
What type of lights range from 300 to 1,000 watts and is advantageous where illumination is needed away from the apparatus?
Portable lights
255
The main purpose of fire department pumperss is to:
Provide adequate water pressure for effective fire streams
256
What equipment is powered by small gas/diesel engines, generally has 110/220 volt capacity, and is available with power capacities up to 5,000 watts?
portable generator
257
Which equipment is powered by gasoline, diesel, power-take-off, or hydraulic system?
Vehicle-mounted generator
258
According to NFPA 1901, mobile water supply apparatus must be equipped with a tank capacity of at least:
1,000 gallons (4,000L)
259
Compared to full-size pumpers, initial attack fire apparatus have:
smaller chassis
260
Which equipment converts a vehicle 12-/24-volt DC current 110-/220-volt AC current?
Inverter
261
Which apparatus is most likely to have a pump and roll system that allows apparatus to be driver while discharging water?
wildland fire apparatus
262
What equipment is most likely to be used when a small amount of power is needed near the vehicle?
Mini-generator
263
Which type of apparatus is often divided into 3 categories:
major fire fighting vehicles
rapid intervention vehicles
combined agent vehicles
Aircraft rescue and fire apparatus
264
What equipment is use to supply power to several connections from one supply source?
Junction boxes
265
What apparatus is often designed with the pump panel and one or more preconnected hoseline housed in a compartment?
rescue apparatus equipped with fire pump
266
Which of the following is a safety and efficiency requirement that should be met by mobile water supply?
suspension and steering matched to terrain requirements
267
What is the function of mobile water supply apparatus?
Transport water to areas where water system is nonexistent or inadequate
268
What term is often used to define pumping apparatus smaller than a full-size pumper?
Mini-pumper
269
What apparatus are known as:
brush trucks
brush breakers
booster apparatus
Wildland fire apparatus
270
What equipment is useful when remote power is needed away from the apparatus?
Portable generator
271
According to NFPA 1901, fire department pumpers should have a water tank capacity of at least
300 gallons (1,200 liters)
272
An apparatus that is equipped with a fire pump, water tank, and hose, in addition to an aerial device and ground ladders, is best referred to as a:
Quint
273
Which type of light provides general lighting for the scene and is often mounted so that it may be raised, lowered, or turned to provide the best possible lighting?
Fixed lights
274
In general, steering wheel play should be ore than approximately:
10 degrees in either direction
275
Vehicles should not be driver over bridges unless the:
Weight of the apparatus is known to be within the capacity of the structure
276
When the first apparatus arrives at an incident where no fire is evident, the driver/operator should:
Pull apparatus past the front of the building
277
What is the preferred type of hose for making hydrant connections?
Large diameter intake hose
278
What zone is considered safe and does not require personal protective equipment?
Cold Zone
279
Once on the scene of a highway incident, the use of warning lights should be:
Reduced as Much as possible
280
When referring to pump wear rings and packing, why must very close tolerance be maintained between pump casing and the hub of the impeller?
Any increase in opening lessens the effectiveness of the pump
281
Before being placed into service, the piping system and the fire pump itself must be capable of withstanding a hydrostatic test of:
500 psi (3,500 kPa)
282
What displays engine speed in revolution per minute?
Tachometer
283
What is typically driven through a gear box and a clutch connected by a drive shaft to the front of the crankshalf?
Front-Mount Pump
284
Most manufacturers recommend that the centrifugal fire pump be drained:
Between Fire Calls
285
Which pump design has the disadvantage of the driver/operator being more directly exposed to oncoming traffic than in other pump-mounting positions?
Read-Mount Pump
286
Why is the rotary vane pump more efficient at pumping air than the rotary gear pump?
Salf-adjusting feature
287
Which type of pump is most vulnerable to damage from exposure or a vhicle collision?
Front-Mount Pump
288
Modern Versions of Quarter-Turn handles lock by:
Rotating the handle in a clockwise direction
289
NFPA 1901 requires all components of piping system to be:
Made of Corrosion resistant Material
290
According to NFPA 1901, pumpers with a capacity greater than 500 gpm (2,000 L/min) should be able to flow:
At least 500 gpm (2,000 L/min)
291
Which type of auxiliary cooling device works when water supplied by the fire pump passes through a coil or tubing mounted inside the cooler?
Immersion type auxiliary cooler
292
In multistage centrifugal pumps, the impellers generally:
Are identical and have the same capacity
293
Any significant deviation from normal oil pressure reading is most likely to indicate:
An equipment malfunction
294
Which type of auxiliary cooling device is inserted into one of the hoses used in the engine cooling system so that engine coolant must travel through it as it circulated through the system?
Marine Cooler
295
At intersections with a red light, apparatus should:
be brought to a complete stop before proceeding further
296
In most FDs, it is standard operating procedure (SOP) for firefighters to don protective gear:
Before getting into apparatus
297
What is the most common place for accidents to occur?
Intersections
298
What staging protocol is most likely to be enacted when a large number of units are responding to an incident?
Level II Staging
299
Which site would be given preference for a drafting location?
A location accessible from a hard surface
300
What staging protocol is most likely to be applied to initial response of more than one fire department unit?
Level I staging
301
Driver/operator should not attempt to cross streams with a vehicle unless:
It has been specifically designed to operate in such conditions that
302
When should fire department identify suitable drafting site in their response district?
During pre-incident planning
303
When positioning to support an aerial apparatus, pumpers providing water for elevated stream operations should position:
As closely to the aerial apparatus as possible
304
When the apparatus is operated in a stationary position during a wildland fire attack, it should be placed in an area that:
Affords maximum protection from heat and flames
305
How is the pumper position to supply a fire department connection best determined?
Through Pre-incident planning
306
When might tandem pumping operations be needed?
When pressures higher than a single engine is capable of supplying are required
307
In which zone are driver/operators most likely to stage their apparatus?
Cold Zone
308
In the "inside/outside" method, when would an attack pumper be positioned on the side of the street closest to the building and the aerial apparatus be placed outside of the pumper?
If the building is less than 5 floors tall
309
What may be needed when driving the vehicle in conditions of reduced visibility during a wildland fire attack?
Spotter walking ahead of the apparatus
310
What location is generally considered the safest position should a structural collapse occur?
Corners of the Structure
311
When positioning during wildland fire attack, the vehicle should be positioned facing the direction of an exit path with the:
Front Wheels Straight
312
When responding to a hazardous materials incident, the driver/operator should:
Not drive the apparatus directly to the scene until the material involved can be identified
313
When laying supply hose to the fire scene during a roadway response, lay the hose:
To the side of the street
314
What should a driver/operator do when a piece of equipment onboard is found broken, defective, or in need of any type of repair?
Follow the established policy of the AHJ for documenting, reporting, and following up on status of repair
315
When jump starting a vehicle, the vehicle being used as a power source must have the same voltage electrical system as the apparatus being jump-started in order to:
Prevent damage from occurring to either system
316
Whenever an apparatus is parked:
Chock its wheels
317
When checking vehicle batteries, driver/operators should check that cable connections are tight and protected with:
a film of grease, petroleum jelly, or battery terminal protection product
318
What can cause a corrosive effect on steel body components?
Road salt used during inclement weather
319
How often should apparatus brakes be thoroughly tested?
Annually
320
What is an adverse effect to overcleaning a fire apparatus?
May remove lubrication from the chassis, engaging, pump, and underbody
321
Fire pumps are tested at regularly scheduled intervals and compare actual performance to:
Specific standards
322
Why should a driver/operator use an inspection checklist?
Ensures the driver/operator conducts a uniform and complete inspection
323
When cleaning the interior of an apparatus using cleaning agents:
Ventilate the cab or crew riding area
324
What agency in the United States establishes basic requirements for licensing a driver?
Federal Department of Transportation (DOT)
325
In order for an apparatus to come to a complete stop on snow and ice, it may take:
3 to 15 times a greater distance than it does on dry pavement
326
What about the driver/operator and organization in civil or criminal cases is mostely accurate?
Both the driver/operator and organization can be held responsible:
327
What must all riders be doing, in additional to being seated within the cab or body, before the apparatus is put into motion?
Wearing Seat Belts
328
What ability or skill is necessary to understand maps, dispatch instructions, and preiincident plans?
Reading skills
329
What is a reason computer skills are important for a driver/operator?
To access and operate online mapping software and dispatch instructions
330
Driver/operators are subject to any statute, rule, regulations, or ordinance that govern any other vehicle operator:
Unless specifically exempt
331
When more than one emergency vehicle is responding along the same route, they should travel
At least 300-500 feet (90-150m) apart
332
What is the primary reason for daily pretrip inspections?
Minimize mechanical failure
333
When should the mirrors be adjusted on an apparatus?
Any time driving responsibility changes from one individual to another
334
In most jurisdiction, when civilian drivers encounter emergency vehicles responding with warning lights activated and audible devices sounding they must:
Pull to the right, stop, clear intersections, and remain motionless
335
The component in a load management system that turns on various lights at specified intervals so that startup electrical load for all devices does not occur at the same time is called the:
Load Sequencer
336
According to NFPA 1911, tires must be replaced every:
7 Years
337
What should be done during the first 6 months after an apparatus is received?
Wash frequency using cold water
338
What can be used to clean automotive glass?
Commercial glass cleaner in conjunction with a clean cloth rag
339
When conducting a walk around inspection, who should the driver/operator talk to in order to get the most accurate impression of how the vehicle last operated?
Last person to drive the apparatus
340
Before using any waxes or polishes on the fire apparatus:
Reference the manufacturer's manual
341
Apparatus with air brakes are to be equipped with an air pressure protection valve that prevents air horns or other nonessential devices from being operated when the pressure in the air reservoir drops below:
80 psi (560 kPa)
342
Based on NFPA 1901, as a minimum, all fire apparatus with a rated pump capacity of 750 gpm (3,000 L/min) or greater must be equipped with at least:
two 2 1/2 inch (65mm) discharges
343
The ability to initiate a successful drafting operation depends on creating:
a lower pressure within the pump and intake hose than exists in the atmosphere
344
Pressure control devices that are a part of a fire apparatus pumping system must restrict the pressure from exceeding:
30 Psi (210 kPa) above the set level
345
Which type of positive displacement pump is the simplest of all fire apparatus pumps, from the standpoint of design?
Rotary pump
346
When the pump is in operation, which of the following is a responsibility of the driver/operator?
Monitor all gauges associated with the engine as well as with the operation of the fire pump
347
When a dry standpipe system is charged, water will be discharged:
At all points where caps are off and valve is open
348
What is the most likely scenario if a supply line that was charged suddenly loses water?
The supply line has burst
349
When preparing to start the apparatus, whether for emergency response or a routine trip, the driver/operator must first know the destination and:
route of travel
350
When responding to emergencies, apparatus should:
Turn on headlights as part of the emergency response
351
On an aerial apparatus, which of the following refers to the angle formed by level ground and a line from the point where the rear tires touch the ground to the bottom of the frame at wheelbase midpoint?
Breakover Angle
352
Weight carried on most apparatus can contribute to:
Skidding or possible rollover due to lateral weight transfer
353
What is a guideline for loading hose while driving an apparatus?
drive apparatus only in forward direction
354
Apparatus equipped with a diesel particulate filter (DPF) will have:
Very clean exhaust emissions and no black smoke
