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