Pumping Apparatus Driver/Operator Handbook 2nd Edition Flashcards
What are the three basic firefighting components common to almost every fire department pumper?
Fire pump, Water Tank, Fire Hose
P. 1
What is NFPA 1002?
Standard for fire apparatus driver qualifications
p.1
What is NFPA 1901?
Standard for Automotive Fire Apparatus
p.13
Minimum pump capacity for pumpers?
750 gpm
p.13
What NFPA # specifies the minimum portable equipment carried on all fire department pumpers?
NFPA 1901
p.13
What is a step-up transformer that converts the vehicle’s 12/24 volt DC current to 110-220 volt AC current?
Inverter
p.24
At what decibel should hearing protection be worn by personnel?
90 decibels
p.43
What is:
The load sequencer?
The load monitor?
and Load shedding?
Load sequencer - turns lights on in specified intervals to avoid all lights starting up at the same time
Load Monitor - watches the system for added electrical loads to prevent over loading
Load shedding - shutting down loads to prevent over loading
p.44
In general, steering wheel play should be no more than ____ degrees?
10 degrees
p.44
The braking test of new engine should be done at _____ mph and brought to a complete stop within ____ feet?
20mph and 35 feet
p.44
The parking brake should hold the apparatus at a grade of _____ percent?
20 percent
p.45
Air pressure for brakes should build to a sufficient pressure in _____ seconds of starting the vehicle?
60 seconds
p.45
Air horns are prevented from operating when air pressures are below ______ psi?
80 psi
p.45
The SAE number indicates the _____ of oil?
Viscosity
p.50
In what order do you attach batteries cables?
and in what order when taking off?
Red then black to attach.
Black then red when removing.
p.51
___% to ___% of all firefighter injuries and deaths are caused by vehicle collisions.
20 - 25 %
p.59
What is “total stopping distance?”
sum of the driver’s reaction distance and vehicles breaking distance
p.79
At what speed can an emergency vehicle out run its siren?
speeds above 50mph
p.85
When following other fire apparatus, you should be spaced _____ feet apart?
300-500 feet apart
p.86
What is the max distance for “tandem/dual” pumping?
300 feet
p.115
What is specific heat?
Measure of the heat absorbing capacity of a substance
p.136
What is a BTU?
amount of heat required to raise the temperature of 1 pound of water 1 degrees
p.136
What is latent heat of vaporization?
is the quantity of heat absorbed by a substance when it changes from a liquid to a vapor
p.137
What is viscosity?
tendency of a liquid to possess internal resistance to flow
p.139
What is specific gravity?
density of liquids in relation to water
p.139
What are the three methods for moving water?
Direct pumping system, Gravity system, Combination system
p.152
What is the recommended size for fire hydrant supply mains?
6 inches
p.157
What are the four basic categories of master stream devices?
Monitor, Turret Pipe, Deluge Set, Elevated master stream
p.172
What are the two types of flowmeters?
Paddle Wheel and Spring Probe
p.252
Flow meters should be accurate to what percent?
+/- 3%
p.253
Which pump can pump air?
Positive displacement pumps
p.266
What are the five pump mounting and drive arrangements?
Which is most common?
Auxiliary, Power Take Off (PTO), Front Mounts, Midship, and Rear Mount
Midship
P.282
What PSI is are the internal piping system on an engine rated for?
500psi
p.286
Per NFPA 1901, valves on intakes or discharges that are 3” or larger shall be equipped with slow acting valve. This prevents it from opening or closing in less than _____ seconds.
3 seconds
p.291
What are the three primer types?
Positive displacement, exhaust, and vacuum
p.299
As the vacuum reading approaches ____ inches/psi, the pump is near max capacity.
(negative pressure due to drafting)
20
p.303
Do not allow the incoming pressure from a hydrant to drop below _____ PSI.
20 psi
p.324
When using 2.5” or 3” lines off of a hydrant, it is recommended that the lines be no longer than _____ feet.
300 feet
p.327
What is the maximum amount of vacuum that most pumps can develop?
22 inches/psi
p.337
What is cavitation?
when more water is going out than coming in
p.337
What is the maximum theoretical lift for a draft?
- 8 feet
p. 337
How much water do you need around a strainer?
2 feet all around
p.338
Low level strainers can draft in how little water?
2 inches of water
p.339
At 20’ of lift, the amount of water that can be supplied is only about ____ precent of the rated capacity of the pump.
60 percent
p.341
Your pressure gauge should read 1 inch (negative pressure) for every _____ feet of lift?
1 foot
p.344
How to calculate adequacy of a stream?
Q = A x V x 7.5
Q = Flow in GPM A = Area in feet (width x depth) V = velocity in ft/min 7.5 = number of gallons in a square foot
p.383
Drafting pits should be ____ many more gallons then the capacity of the apparatus water tank?
500 gallons more
p.440
What is mechanical foam?
must be mixed with water and aerated with air before being used.
p.451
In what three ways does foam work?
Separates, Cools, and Suppresses/Smothers
p.452
What are the four ways foam can be proportioned?
Induction, Injection, Batch mixing, and Premixing
p.453
What is foam induction?
proportioning foam with an educator
p.453
What is foam injection?
proportioning with an external pump or head pressure
p.454
What is batch mixing of foam?
Pouring it directly into the tank
p.454
What is premixing of foam?
pre-measured portions of water and foam in a container
p.454
What is the shelf life of class A foam?
20 years
p.457
What is the shelf life of class B foam?
20-25 years
p.459
What are the expansion rates of foam?
low expansion = 20:1
medium expansion = 20:1 - 200:1
high expansion = 200:1 - 1,000:1
p.460