State Test Flashcards
In a wildfire attack the position of the apparatus is the what?
The Anchor
When does brake fade occur?
When the brakes overheat
What area is between wild-land and rural area?
`Wildland urban interface
Older vehicles may be equipped with what type of braking system?
Hydraulic braking system
The vehicle weight with no water, tools, or passengers is what?
Curb weight
DEF is used to reduce what?
Nitrogen Oxide
If the operator on an aerial has the DCDL locked and hears tires scrubbing what should
he do?
Not worry because it is normal
Brush trucks have the ability to do what
Pump and Roll
Audio sirens out run the effective range its audible warning device at speeds above
what?
50mph
What are some of the problems with homemade pumpers?
They are top heavy
2 short blast of the air-horn indicate what?
Backing up
Water Tenders must be capable of a portable tank at what GPM?
1,000 GPM
Engine lugging is caused by?
The manual transmission being into too high of a gear
Play in the steering wheel of more than what % is not allowed?
10%
NFPA 1901 requires water tenders to be designed to be filled at rate of ______ gpm?
1000
When water hammer occurs it goes all the way back to?
Water Main
Back Pressure is also known as?
Head pressure
It is dangerous and discouraged to ___ while filling trucks?
Filling through the TOPS of tanks
Most common drafting problem?
Air Leaks
What is the proper flow rate percentage?
(100%) of their maximum flow rate at 150 PSI
(70%) of their maximum flow rate at 200 PSI
(50%) of their maximum flow rate at 250 PSI
Most common relief valve?
Spring-controlled pilot valve
Nozzle commonly used in aircraft fires, car fires, voids, attics?
Piecing nozzle
What indicates the status of vehicles alternator and charging system?
Amp meter
What prevents water movement inside of tanks?
Baffles
Vacuum gauge should read?
22 inches of mercury (-75kPa)
What is the symbol for mercury?
HG
`Brakes should be tested?
Annually
When should volunteer departments do truck checks?
Weekly (After each call)
Inverters watts
1500 watts
Portable generators watts
5000 watts
Rescued fixed mounted generators watts
50,000 watts
Least capable auxiliary brake devices?
Exhaust brakes
Why you should never REV diesel engine?
Damage internal components
Pump capacity of 750 GPM or greater should have how many discharges?
2
Standpipe should be supplied at what PSI?
150 PSI
All gauges should be calibrated within?
60 days
Driver operator is involved in what test?
The acceptance test
Pump certification is done by?
Independent testing organization (CFPI)
What is theoretical lift height?
33.9ft
A pump that develops a perfect vacuum at its suction end can lift a column of water
What is maximum lift?
25ft
Hight a column of water may be lifted in sufficient quantity to provide reliable fire flow is ?
Dependable Lift, 14.7ft
What offers increased efficiency over a pitot gauge?
A flow meter
____ and drive slow when driving through smoke
Sound the horn frequently
Objects in motion tend to stay in ____
Motion (law of inertia)
Pumping a hose into water tank during water shuttle operations does?
Prevents overheating
Trucks built after the 90’s on are usually equipped with?
ABS breaks
Newer trucks use what break system
Air actuated breaks
Air horns will not operate under?
80 PSI
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
A midi-pumper chassis weight
12,000lbs
2 short horn blasts indicate?
Backing
Brush truck GPM?
500 tank size and 500 GPM
Hand and palm placement for spotter during backing?
Palms facing spotter
Hand and palm placement for spotter telling driver to move forward?
Palm away from spotter face
Minimum distance for drafting?
24’’ (2 feet)
What helps control hard suction drafting hose?
Attaching a rope to the strainer
How can most apparatus or equipment fails be prevented?
Preforming routine maintenance checks
Tank fill sizes?
1000 gallons or less – 1 inch
1000 gallons or more – 2 inches
Required stopping distance of new trucks at 20 mph
35ft or less
Most common sizes for LDH supply line?
4 or 5 inches
Most apparatus damage occurs during?
Backing
Most collisions occur?
At intersections
Best location for command at a scene?
Corner of building
Weight of one gallon of water?
8.35
When a pumper is connected to a hydrant and with the first line open the is a drop in
residual pressure of 20% this would indicate that the hydrant should be able to supply?
Two times the amount of water (one additional setups)
Most common type of valve?
Ball valve
Nozzle pressures?
Solid stream (master stream) – 80 psi Fog (master stream)– 100 psi
A foam system that combines air under pressure with a foam solution
Compressed air foam system (CAFS) Class A foam
Amount of travel the clutch has before it begins to disengage
Free play
Conduct that constitutes a willful or reckless disregard for duty
Gross negligence
According to NFPA 1911 Tires should be replaced every?
7 years
All tires on an apparatus must?
match
GPM of master stream
350 GPM or greater
Floating strainer may be used in water as shallow as _____
2 foot of water