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Pump AP DO
3678
90
Other
Not Applicable
08/21/2011

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Cards

Term
What pressure should solid stream nozzles be operated at
when used on the end of handlines?
Definition
50 psi
Term
What is best to adjust first before driving the apparatus?
Definition
Seat
Term
Where are traffic control sensors located?
Definition
Traffic light stands
Term
Which of the following is a method of determining friction
loss?
Definition
Actual testing
Term
What is the speed at which a fluid travels often referred
to?
Definition
Velocity
Term
What is generally accepted as the maximum size for hose
that is used as handlines?
Definition
3-inch
Term
How far from the finish line must the driver/operator stop
the apparatus when performing the diminishing clearance
exercise?
Definition
6 inches
Term
What should be done when approaching an intersection where
buildings block the driver's view of oncoming traffic?
Definition
Come to a complete stop
Term
Which system of the apparatus has the greatest incidence
of collision resulting from poor maintenance?
Definition
Braking
Term
How many different sources are most water systems supplied
from?
Definition
1
Term
Which piece of ice would absorb heat more quickly?
Definition
Crushed pieces
Term
What is the quantity of heat absorbed by a substance when
it changes from a liquid to a vapor?
Definition
Latent heat of vaporization
Term
What percentage of all firefighter injuries and deaths in
the United States are shown to be from vehicle collisions?
Definition
20%
Term
Friction loss in hard piping is _________?
Definition
minimal
Term
How many times per minute does the ABS on an apparatus
evaluate the tires and brakes?
Definition
20
Term
What must be used in conjunction with a fog stream to
ensure that steam burns do not occur?
Definition
Ventilation
Term
How long after starting the apparatus should the oil
pressure gauge indicate a reasonable amount of pressure?
Definition
5 to 10 seconds
Term
Which of the following factors determines the amount of
heat a combustible object can produce?
Definition
Material from which it is composed
Term
Which type of valve visually shows whether the gate or
valve seat is open, closed or partially closed?
Definition
Indicating
Term
What is the range of activation for traffic control
systems that "hear" the siren of the responding apparatus?
Definition
Up to 1/2 mile
Term
Which lane should the apparatus remain in when traveling
on a multilane roadway?
Definition
Innermost
Term
How many batteries are most fire apparatus equipped with?2
Definition
2
Term
How much hose should be laid out if the hose is in lengths
of 50 feet when determining friction loss?
Definition
300 feet
Term
Which type of nozzle can be used to attack attic fires?
Definition
Cellar
Term
What psi should be used when supplying a low-pressure fog
nozzle to ensure safety?
Definition
75
Term
How many Btu's are required to convert each pound of water
to steam after it has reached its boiling point?
Definition
970
Term
What should be done to perform pressure loss calculations
when hoselines of different diameters are used to supply
the master stream?
Definition
Use the average diameter
Term
What is the key to safe driving?
Definition
Anticipation
Term
What determines if water will float on the surface of
another liquid?
Definition
Specific gravity
Term
How many test runs should be performed for each hose size
when performing friction loss testing?
Definition
3 or 4
Term
What is the most current formula for computing friction
loss?
Definition
FL=C(Q2)L
Term
Which of the hoselines is used to determine the total
pressure loss in a system using a manifold appliance?
Definition
The highest pressure loss in any of the lines
Term
What part of the automatic nozzle moves automatically to
maintain approximately the same nozzle pressure when the
gallonage supplied to the automatic nozzle changes?
Definition
Baffle
Term
Where is the ladder pipe generally attached when
preplumbed?
Definition
End of waterway
Term
At what speed do studies show that an emergency vehicle
can outrun the effective range of its audible warning
device?
Definition
55 mph
Term
What depth of snow would most likely render automatic snow
chains ineffective?
Definition
10 inches
Term
What are the network of intermediate-sized pipes within
the grid system?
Definition
Secondary feeders
Term
How is hose length represented in the formula for
calculating friction loss?
Definition
Hundreds of feet
Term
When all other conditions are the same what is friction
loss said to be directly related to according to the first
principle of friction loss?
Definition
Length of the hose
Term
Which type of monitor is permanently attached to the
apparatus?
Definition
Fixed
Term
Which principle of pressure states that the pressure at
thee bottom of a vessel is independent of the shape of the
vessel?
Definition
Sixth
Term
According to the third principle of pressure how is
pressure applied to a confined fluid from without
transmitted?
Definition
Equally in all directions
Term
What does it mean if the threaded portion of the OS&Y
valve is out of the yoke?
Definition
It is open
Term
How much water can the piercing nozzle generally deliver?
Definition
100 gpm
Term
Which gear should be used when operating an automatic
transmission in heavy traffic?
Definition
3
Term
What is the specific gravity value of most flammable
liquids?
Definition
Less than 1
Term
What is the first thing that should be done when starting
the vehicle?
Definition
Disconnect all ground shore lines
Term
What is the first step that needs to be taken when
determining friction loss?
Definition
Obtain the friction loss coefficient
Term
How many firefighters are preferred to be used as spotters
when backing a fire apparatus?
Definition
2
Term
How many types of hose should be tested at one time when
testing a particular type of hose?
Definition
1
Term
What pressure is required to reduce water's volume by one
percent?
Definition
30,000 psi ie water is not compressible
Term
Which exercise simulates maneuvering around parked and
stopped vehicles?
Definition
Serpentine course
Term
What condition occurs when water is abruptly turned off
that can damage the pump, appliances, hose or the
municipal water system?
Definition
Water hammer
Term
What must be done when the water flow of a master stream
is too much for a single pumper?
Definition
Use multiple pumpers
Term
How far apart as a minimum should two apparatus responding
along the same route follow each other?
Definition
300 to 500 feet
Term
Where should gating take place when using manifold
appliances?
Definition
At the appliance
Term
Which type of weight transfer tends to lead to skidding
and/or rollover with a fire apparatus?
Definition
Lateral
Term
What is the part of the total pressure lost while forcing
water through pipe, fittings, fire hose and adapters?
Definition
Friction loss
Term
Which NFPA standard lists the nozzles that are required to
be carried on the apparatus?
Definition
NFPA 1901
Term
What is the constant value used in the simplified
elevation pressure equation for the fireground?
Definition
0.5
Term
What can be deemed less effective when the full spectrum
of warning lights are left on at night once the apparatus
has reached the scene?
Definition
Firefighter reflective clothing
Term
What would be the repercussions if water treatment
facilities were not able to function properly?
Definition
Reduction in water pressure
Term
What is the recommended idle period before shutting down
an apparatus after use?
Definition
3 to 5 minutes
Term
What nozzle pressure are most constant flow nozzles
designed to operate at?
Definition
100 psi
Term
Which situation would the brakes be used when the
apparatus is equipped with engine brakes or retarding
devices?
Definition
Emergency stops
Term
How many right and left turns are required during the road
test as a minimum according the NFPA 1002?
Definition
4
Term
Which type of stream is created when water is forced
through a series of small holes on the discharge end of
the nozzle?
Definition
Broken
Term
What divisor should be used when determining the total
number of hundreds of gpm flowing in the supply line to
the wye?
Definition
100
Term
Where should the engine be set to idle when being used for
floodlight operations?
Definition
900 to 1,100 rpm
Term
Friction loss in a system increases as the length of hose
_________?
Definition
increases
Term
What is the generally accepted friction loss assumption for flows less
than 350 psi when an appliance is being used?
Definition
0 psi
Term
What does the fifth principle of pressure deal with?
Definition
Density
Term
Which regulations apply to the
emergency responder even when en route to an incident?
Definition
Passing a school bus
Term
Which NFPA standard deals with how all fire apparatus
training and testing should be conducted?
Definition
NFPA 1451
Term
How long as a minimum should the straight section of urban
business street be when performing road tests under NFPA
1002?
Definition
1 mile
Term
Which NFPA standard regulates the wearing of seatbelts by
all passengers on the apparatus?
Definition
1901
Term
Which of the following road conditions are more collisions
seen on?
Definition
Dry
Term
When should the apparatus be shifted into a lower gear on
sharp curves?
Definition
Before entering the curve
Term
How much pressure (psi) per foot of elevation does water
exert?
Definition
0.434
Term
Which nozzle pressures on the automatic nozzles are most
commonly used in high-rise firefighting?
Definition
50 to 75 psi
Term
What is the minimum recommended size for fire hydrant
supply mains in residential areas?
Definition
6 inches
Term
Where should the first gauge be placed when conducting
friction loss testing?
Definition
At the connection between the first and second sections of
hose away from the discharge
Term
What is the minimum width of the space used to perform the
confined space turnaround?
Definition
50 feet
Term
How far from the first gauge should the second gauge be
connected when 50-foot lengths of hose are being used in
the friction loss testing?
Definition
200 feet
Term
What is the generally accepted maximum nozzle pressure for
solid streams?
Definition
65 psi
Term
Which of the following would NOT be classified as a simple
hose layout?
Definition
Multiple length multiple hoselines
Term
What is the minimum number of directions a fire hydrant
should be supplied from to reduce the amount of pressure
loss?
Definition
2
Term
What is the difference between static pressure and normal
operating pressure?
Definition
Friction caused by flowing water
Term
What can be done to reduce the adverse effects of
encrustation and sedimentation?
Definition
Flush hydrants periodically
Term
Which formula can be used to more easily determine the
elevation pressure in a multistory building?
Definition
EP=5psi(number of stories - 1)
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