SOLUTION UPDATE QUESTIONS AND
ANSWERS
When does brake fade occur? - when the brakes overheat from excessive use
What area is between wild-land and rural area? - Wild land urban interface
Older vehicles may be equipped with what type of braking system? - Hydraulic braking
system
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
Play in the steering wheel of more than what % is not allowed? - 10% - 20" diameter
steering wheel 2" play in either direction
NFPA 1901 requires water tenders to be designed to be filled at rate of ______ gpm? -
1,000
When a nozzle is shut down quickly, the pressure goes all the way back to? - The water
main
It is dangerous and discouraged to ___ while filling trucks? - Filling through the TOPS of
tanks with an open butt of a hoseline
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 a vehicles alternator and charging system? - the ammeter
What prevents water movement inside of tanks? - Baffles - Tank Baffles must have
opening large enough to allow free movement of water at the bottom and air at the top
during filling.
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? - After each call
Inverters have how many watts? - 1500 watts
Portable generator have how many watts? - 5000 watts
Rescued fixed mounted generators have how many watts? - 50,000 watts
Least capable auxiliary brake devices? - Exhaust brakes
Why you should never REV diesel engine especially before shutting off truck. - Damage
internal components
Pump capacity of 750 GPM or greater should have how many discharges? - 2
Standpipe should be supplied at? - 150 PSI
All gauges should be calibrated within? - 60 days
Pump certification is done by? - Independent testing organization (CFPI)
How many feet is theoretical lift? (pumping in a total vacuum) - 33.9ft
How many feet is maximum lift? - 25ft
How many feet is a dependable lift? - 14.7ft
What type of gauge offers increased efficiency over a pilot gauge? - A flow meter
______________________________ and drive slow when driving through smoke -
Sound the horn frequently