2026\2027 A+ Grade
When does brake fade occur?
- correct answer when the brakes overheat from excessive use
What area is between wild-land and rural area?
- correct answer Wild land urban interface
Older vehicles may be equipped with what type of braking system?
- correct answer Hydraulic braking system
If the operator on an aerial has the DCDL locked and hears tires scrubbing what should he do?
- correct answer Not worry because it is normal
Brush trucks have the ability to do what?
- correct answer Pump and Roll
Audio sirens out run the effective range its audible warning device at speeds above what?
- correct answer 50mph
What are some of the problems with homemade pumpers?
- correct answer They are top heavy
2 short blast of the air-horn indicate what?
- correct answer Backing up
Play in the steering wheel of more than what % is not allowed?
- correct answer 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?
- correct answer 1,000
When a nozzle is shut down quickly, the pressure goes all the way back to?
- correct answer The water main
It is dangerous and discouraged to ___ while filling trucks?
- correct answer Filling through the TOPS of tanks with an open butt of a hoseline
Most common drafting problem?
- correct answer Air leaks
What is the proper flow rate percentage?
- correct answer (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?
- correct answer Spring-controlled pilot valve
Nozzle commonly used in aircraft fires, car fires, voids, attics?
- correct answer Piecing nozzle
What indicates the status of a vehicles alternator and charging system?
- correct answer the ammeter
What prevents water movement inside of tanks?
- correct answer 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?
- correct answer 22 inches of mercury (-75kPa)
, What is the symbol for mercury?
- correct answer HG
Brakes should be tested?
- correct answer Annually
When should volunteer departments do truck checks?
- correct answer After each call
Inverters have how many watts?
- correct answer 1500 watts
Portable generator have how many watts?
- correct answer 5000 watts
Rescued fixed mounted generators have how many watts?
- correct answer 50,000 watts
Least capable auxiliary brake devices?
- correct answer Exhaust brakes
Why you should never REV diesel engine especially before shutting off truck.
- correct answer Damage internal components
Pump capacity of 750 GPM or greater should have how many discharges?
- correct answer 2
Standpipe should be supplied at?
- correct answer 150 PSI
All gauges should be calibrated within?
- correct answer 60 days