Pump Ops Flashcards
(232 cards)
1
Q
In a wild fire attack the position of the apparatus is what?
A
The anchor.
2
Q
When does brake fade occur?
A
When the brakes overheat from excessive use.
3
Q
What area is between wild-land and rural area?
A
Wild land urban interface.
4
Q
Older vehicles may be equipped with what type of braking system?
A
Hydraulic braking system.
5
Q
If the operator on an aerial has the DCDL locked and hears tires scrubbing what should he do?
A
Not worry because it’s normal.
6
Q
Brush trucks have the ability to do what?
A
Pump and roll.
7
Q
Audio sirens out run the effective range of its audible warning device at speeds above what?
A
50 mph.
8
Q
What are some of the problems with homemade pumpers?
A
They are top heavy.
9
Q
2 short blasts of the air horn indicate what?
A
Backing up.
10
Q
Water tenders must be capable of a portable water tank at what gpm?
A
1,000 gpm.
11
Q
Play in the steering wheel of more than what % is not allowed?
A
10%
12
Q
NFPA 1901 requires water tenders to be designed to be filled at a rate of ____ gpm?
A
1,000 gpm
13
Q
When a water hammer occurs it goes all the way back to?
A
The water main.
14
Q
It is dangerous and discouraged to ___ while filling trucks?
A
Filling through the tops of tanks.
15
Q
Most common drafting problem?
A
Air leaks.
16
Q
What is the proper flow rate %
A
100% of max flow rate at 150 psi
70% of max flow rate at 200 psi
50% of max flow rate at 250 psi
17
Q
Most common relief valve?
A
Spring-controlled pilot valve.
18
Q
Nozzle commonly used in aircraft fires, car fires, voids, attics?
A
Piercing nozzle.
19
Q
What indicates the status of a vehicles alternator and charging system?
A
A meter.
20
Q
What prevents water movement inside of tanks?
A
Baffles.
21
Q
Vacuum gauge should read?
A
22 inches of mercury.
22
Q
What is the symbol for mercury?
A
Hg
23
Q
Brakes should be tested?
A
Annually.
24
Q
When should volunteer dept’s do truck checks?
A
Weekly (After each call)
25
Inverters have how many watts?
1500 watts
26
Portable generators have how many watts?
5000 watts
27
Rescue fixed mounted generators have how many watts?
50,000 watts
28
Least capable auxiliary brake device?
Exhaust brakes
29
Why should you never rev diesel engines?
Damage internal components.
30
Pump capacity of 750 gpm or greater should have how many discharges?
2
31
Standpipe should be supplied at?
150 psi
32
All gauges should be calibrated within?
60 days
33
Driver operator is involved in what test?
Acceptance test
34
Pump certification is done by?
Independant testing organization. (CFPI)
35
How many feet is theoretical lift?
33.9 ft
36
How many feet is maximum lift?
25 ft
37
How many feet is a dependable lift?
14.7 ft
38
What type of gauge offers increased efficiency over a pilot gauge?
A flow meter
39
____ and drive slow when driving through smoke?
Sound the horn frequently.
40
Pumping a hose into a water tank during water shuttle operations will?
Prevent overheating
41
Newer or modern trucks use what braking system?
Air actuated brakes.
42
Air horns will not operate under?
80 psi.
43
A mid (maybe mini) pumper chasms weighs?
12,000 lbs
44
Brush truck gpm?
500 gal tank size and 500 gpm
45
Hand and palm placement for spotter during backing?
Palms facing spotter.
46
Hand and palm placement for spotter when telling the driver to move forward?
Palm away from spotter face.
47
Minimum distance around strainer for drafting?
24" or 2 ft
48
What helps control hard suction drafting hose?
Attaching a rope to the strainer.
49
How can most apparatus or equipment failures be prevented?
Performing routine maintenance checks.
50
Tank fill sizes?
1,000 gal or less-1"
1,000 gal or more-2"
51
Most common sizes for LDH supply line?
4" or 5"
52
Most collisions occur?
At intersections.
53
Best location for command at a scene?
Corner of building.
54
Weight of 1 gal of water?
8.35 lbs
55
When a pumper is connected to a hydrant and the 1st line is opened, and there is a drop in residual pressure 20% this would indicate the hydrant should be able to supply ___?
Two times the amount of water (1 additional setup)
56
Most common type of valve?
Ball valve
57
Nozzle pressure solid-master stream and fog-master stream?
Solid master stream 80 psi
Fog master stream 100 psi
58
A foam system that combines air under pressure with a foam solution?
Compressed air foam system (CAFS) Class A foam
59
What do you call the amount of travel the clutch has before it begins to disengage?
Free play
60
Conduct that constitutes a willful or reckless disregard for duty?
Gross negligence
61
According to NFPA 1911 tires should be replaced every?
7 years
62
All tires on apparatus must?
Match
63
GPM of master stream?
350 gpm or greater
64
Floating strainer may be used in water as shallow as?
2" of water
65
Floating pump capacity?
500 gpm
66
Examples of static water?
Dry hydrants, storage tanks, lakes, streams
67
Strobe lights that activate traffic emitters cause lights to?
Turn the signal green in the direction of travel
68
Steering wheel sensors along with accelerometers are also equipped with what?
Stability control sensors.
69
An operator must get in the cab and start the engine to perform what test?
Function test.
70
Turning off appliances to prevent overload is known as?
Load shedding
71
What is the only fluid you check while the engine is running?
Transmission
72
During a water shuttle operation what do you do after the first tender delivers water?
The dump site pumper begins to draft.
73
Agitation and turbulence are caused by ___ during pumping operations?
Critical velocity
74
Most common fire pump?
Centrifugal
75
Hub, shroud, vane, and impeller are parts of?
Centrifugal pump
76
Spiral section of the pump is called?
Volute
77
All apparatus weighing over ___ must be equipped with an auxiliary brake system?
36,000 lbs
78
When training on a tiller you might have to ?
Add a detachable seat for the instructor
79
Drivers may want to use ____ during emergency response?
Excessive speed
80
Most common elevating water devices are ___ tall?
(Maybe height of aerials)
50-75 ft
81
Foam proportion for 3%? ___ parts water and ___ parts foam?
97 parts water
3 parts foam
82
The D/O must ensure all occupants are wearing seatbelts. Confirmation must be made ___ before moving apparatus?
Verbally
83
When is the exhaust brake activated?
When you remove pressure off the accelerator (foot off the gas pedal)
84
What gpm's does PTO drive limit pump capacity to?
500 gpm
85
What is the typical length for intake hose used for hydrant connection?
10'-20'
86
How often should a pump be tested?
Annually
87
What is the term for laying supply lines from the hydrant to the fire scene?
Forward lay
88
What is the term for laying supply lines from the fire scene to the hydrant?
Reverse lay
89
An apparatus equipped with a fire pump, whose rated capacity is less than 750 gpm is required to undergo the same certification test as a pumper over 750 gpm with the exception of?
The pumping engine overload test.
90
Engine pulls past or short of the hydrant to?
Allow the hose to curve
91
A counter clockwise turn on a hose connection between hydrants is to?
Prevent the pumper from forming kinks
92
___ use a pick up tube that uses the pressure differential from the stream passing through the Venturi?
Eductors
93
Direct application is a method of applying?
Class A foam
94
If the operator during a backing operation feels unsafe he should?
Stop and then set the parking brake
95
In a water shuttle operation, nurse tending and portable tanks are operations located at?
The dump site
96
Dual pumping uses?
One strong hydrant to supply 2 pumpers
97
The least desirable hydrants are the ones on?
Dead end mains
98
ABS systems don't stop faster but?
Greatly increase controlled stops
99
Gears braking and hard shifting are due to
Excessive play
100
In engines over 2007 with DPS it is crucial to?
Check exhaust connections and flex pipe
101
The engine speed check is done with?
NO load
102
If D/O finds damage he must first?
Document it
103
Weather permitting the ___ should be conducted outside?
Function test
104
The vehicle weight with no water, tools, and passengers is known as?
Curb weight
105
Slack adjusters are used in the?
Brake system
106
____ turns things on in intervals as to not do it all at once?
Load sequencer
107
Fill site must be monitored because?
The area may become dangerous and have to be relocated
108
DEF is used to reduce
Nitrogen oxide
109
Side to side weight can not vary more than?
7%
110
Protocol for staging when one or more units is at the involved scene is called?
Leve 1 staging
111
If apparatus does not reach adequate air pressure in time it may be necessary?
To add an electric air compressor.
112
SOP's, officers, and D/Os determine?
Engine placement
113
Engine lugging is caused by?
A manual transmission being in to high of a gear.
114
Attack pumper is set in?
Pressure mode
115
Most damage done to an apparatus is done while?
Backing
116
Keep eyes moving and leave yourself an out while?
Emergency driving
117
Complex repairs must be done by?
A certified mechanic
118
If the spotter wants the driver to pull forward in the backing operation the spotter must first?
Stop the driver
119
Elevation pressure is affected by?
Topography
120
To solve engine lugging get?
An automatic transmission
121
SAE refers to
Oil viscosity
122
Most vehicles after 1990 are equipped with?
Anti lock brakes.
123
Most apparatus have____ brakes?
Air actuated brakes.
124
In water shuttle operations the best layout may not be?
The closest.
125
Preferred layout for a water shuttle operation is?
A circular route.
126
In relay pumping what pumper is at the water source?
The largest pumper.
127
Foam concentration of 0.1%-1.0% is
Class A foam.
128
Foam concentrator pulls?
Foam.
129
You should never proceed in the opposite direction on an on ramp unless?
The road is closed and blocked by police.
130
When loading hose in a forward motion you should never exceed?
5 mph.
131
1 of the 4 driving exercises is?
Diminishing clearance.
132
Efficient hydrants that are pre-piped with a floating strainer is called?
Dry hydrant.
133
1st digit method or squaring the lines is used to?
calculate available water.
134
Type of pumping with the attack pumper short distance from the hydrant but longest distance from the scene?
Tandem/relay pumping.
135
In a wildfire attack, position the apparatus at the?
Anchor point.
136
The apparatus should maintain a clear zone of at least___ from railroad tracks?
30 ft
137
When relieving the current operator you should?
Ask about any incidents and equipment on the apparatus.
138
Before tilting the cab you should?
Check the overhead clearance.
139
Before driving to an incident you should ask?
All if the are belted in.
140
Brake fade occurs when?
Brakes overheat due to excessive use.
141
Any person working near bodies of water are required to wear?
PFD.
142
____ uses the GPS and radio transmitter in the apparatus to preempt a signal at an intersection?
GPS traffic signal preemption.
143
___ works by the strobe lights to activate sensors in the traffic lights. Generates an optical signal turning the light in the direction of travel green.
An emitter
144
___ applies the brakes independently to aim the vehicle in the direction that the operator positions the steering wheel.
ECS Electronic Steering Control.
145
When pumping, hydrant pumpers are set in RPM and direct pumpers are set in ?
Pressure
146
The driver should notify their ___ of defect and documentation regarding issues with apparatus?
Immediate supervisor
147
The incoming driver should consult the person being relieved for?
And pertinent information regarding incident activity, equipment usage, or problems.
148
Hand placement when backing straight?
Palms face the spotter using both arms.
149
Hand placement when backing right?
Right arm out the side with palm of left hand facing driver.
150
Hands placement when backing left?
Left arm out to the side with palm of right hand facing driver.
151
Stop arms?
Form an X
152
Pull forward?
Palms facing driver (similar to backing straight)
153
Mixing foam?
Batch mixing is simple but potentially inaccurate.
154
Induction is done through?
A Venturi device called an eductor.
155
Ways to store foam?
Pails, barrels, totes, and apparatus tanks (smallest to largest)
156
90 db and higher require?
Appropriate hearing protection.
157
NFPA 1901 brake test requires that new apparatus come to a completes stop in?
20 mph in 35' or less.
158
SAE stands for?
Society of Automotive Engineers
159
3 components of a water shuttle?
Fill site, shuttle route, dump site.
160
Hydrant that receives water from only one direction?
Dead-end hydrant.
161
Hydrant that receives water from 2 or more directions?
Circulating feed (looped line)
162
Primary feeders, secondary feeders, and distributors?
Grid system.
163
2 most common functions for woodland apparatus?
Structural protection and direct attack.
164
Engines should be backed in from the last known turn around and the crew should take note of the location of landmarks long the way for ___ reasons?
Safety
165
Typical anchor points in drafting operations?
Roads, lakes, ponds, streams, and previously burned areas.
166
Level ___ staging is used on an emergency response when 2 or more companies are dispatched. The responding units stage at least 1 block away from the scene and await further orders?
Level 1 staging.
167
Level ___ staging is used when numerous emergency vehicles will be responding to the same incident and the companies are informed of a "staging area" when they are dispatched?
Level 2 staging.
168
Police must ___ if an emergency vehicle is to travel against the flow of normal traffic?
Close the road.
169
Gate valves are operated by?
A hand wheel
170
Butterfly valves are operated by a?
Quarter turn handle.
171
Auxiliary engine-driven pumps are powered by?
Gas or diesel independant of an engine used to drive the vehicle.
172
Discharge valves should be designed so they are easy to operate at what psi?
250 psi.
173
Electronic governors use a?
Pressure sensing element to control the pump.
174
Pressure governors relieve ___ caused by shutting down 1 or more operating hose lines?
Excess pressure.
175
Pumper at water supply used to fill empty tenders?
Fill site pumper
176
Pumper used at the fire scene to draft from portable tanks?
Dump site pumper.
177
Water tender must carry at least?
1,000 gpm.
178
Majority of tenders carry at least?
1500-3000 gal
179
Weight of 1 gal of gas?
5.60 lbs
180
A
A
181
Key decision in water shuttle operations is the route of travel for tenders between?
Fill and dump sites.
182
Pump tender should remain in gear, a ___ should be run to keep cool (prevent overheating) and reduce loss of prime?
Booster or other waste line
183
Class A shelf life?
20-25 years
184
Class B foam mixed?
1%-6%
Hydrocarbons 1%-3%
Polar solvents 3%-6%
185
The recommended distance between emergency vehicles traveling the same direction?
300-500 ft
186
Pressure control device that controls engine speed, eliminating hazardous condition that result from excessive pressure is?
Pressure governor.
187
Opening the ___ on the line side of the intake valve, the air can be forced out of the hose and pass through the bleeder as the hose fills with water?
Bleeder valve.
188
Older apparatus may still have batteries that require the addition of ___ to replenish the cells fluids as it evaporates over time?
Distilled water.
189
The DPF collects ___ from the exhaust stream and burns them more completely?
particulates (soot)
190
Weight transfer follows the ___ which states that objects in motion stay in motion and objects at rest stay at rest unless acted upon by an outside force?
Law of inertia.
191
To prevent ____ limit downhill speed to lower than maximum RPM?
Engine damage.
192
What is mixing of water with an appropriate amount of foam concentrate in order to form a foam solution?
Proportioning.
193
What application is used for Class A foam?
Direct application.
194
What is the simplest method for proportioning foam?
Batch mixing.
195
The most suitable ___ to meet the travel safety and flow requirements of a particular incident may not always be the closest site.
Fill site.
196
Fill site may have to be ____ because ground conditions may become very dangerous.
Relocated
197
NFPA 1911 requires that all tires be replaced every ___years regardless of tire condition?
7 years
198
In relay pumping, friction loss is directly affected by the? (3)
Amount of water being flowed, diameter of hose, distance between pumps.
199
Stopping short of the hydrant allows?
The intake hose to curve slightly preventing kinks that can drastically restrict flow.
200
3 types of fire streams are?
Solid stream, fog stream, broken stream.
201
Apparatus with less than 1,000 gal must have a tank fill line of at least?
1"
202
Apparatus with tanks more than 1,000 gal must have a fill line of at least?
2"
203
Apparatus proteting structures during woodland fires must be?
Parked off the roadway.
204
The first element in learning to drive safely is?
A safety conscious attitude
205
Apparatus with front and rear intakes?
Should be aligned towards the curb 45 degrees or less
206
D/O responsibilities are dictated by?
SOGs or SOPs
207
Given the same size hose, if the tip size is reduced and the pressure is increased, but the flow stays the same?
Friction loss stays the same.
208
Tandem pumping?
Intake to intake, used to take advantage of excess hydrant flow.
209
Dual pumping?
Discharge to intake like relay pumping.
210
The procedure for passing a school bus with lights on is to?
Stop and wait for the bus driver to signal apparatus to pass.
211
NFPA states apparatus must stop within 35 ft at 20 mph and emergency brake must hold on a?
20% grade
212
What is back pressure also known as?
Head pressure.
213
NFPA 1901 requires auxiliary brakes on all apparatus with a GVWR of what?
36,000 lbs
214
Least capable of the four auxiliary brakes?
Exhaust brakes.
215
Driving at excessive speed, failing to abide by posted weight limits, and failing to obey posted traffic regulations directions are examples of?
Reckless driving.
216
Driver should keep the engine from initiating and active regeneration process when?
While parked over combustable material.
217
Why do new apparatus no longer exhaust black smoke as is common with older diesel engines?
DPF
218
What angle is formed by level ground a line from the point where the rear tires touch the ground to the bottom of the frame at the wheelbase midpoint?
Breaker angle.
219
If momentum increases what also increases?
Inertia
220
NFPA 1901 requires pumpers to have minimum of how many gpm's?
750
221
Difference between compressed air foam system and other systems?
Air injected into the foam.
222
Portable generators largest watt capacity is?
5,000 watts
223
Rescue apparatus may have a generator system with a watt capacity of what?
50,000 or greater.
224
What may create noisy work environments near apparatus?
Apparatus mounted generators.
225
In warranty claims, what may be needed for the work to be completed?
Maintenance and inspection records.
226
What uses the walk around method?
apparatus inspections.
227
Tread separating, cupping, excessive wear, dry rotting, are examples of what inspection?
Tire inspection.
228
___ is the distance that the pedal must be pushed before they make contact with the clutch release fingers?
Free play.
229
What is commonly used in aircraft firefighting or to apply water to voids, attics, or other areas inaccessible to standard streams?
Piercing nozzle.
230
Exhaust, vacuum, air primers are examples of?
Priming devices
231
What testing do firefighters take part of an apparatus?
Acceptable testing.
232
How often are pumps tested?
At least annually.
