Flammable Liquids Flashcards
What are the three operating modes used when dealing with a flammable liquid
spill?
Offensive, defensive, and non-intervention.
When delivering the on-scene report the first in engine company officer must
confirm what?
Staging Area
Reformulated Gasoline with more than 10% oxygenate additives should be treated
as what type of liquid?
Flammable Polar Solvent
A highway tanker truck carries 8,000-9,000 gallons of product, how much can a
railway tanker car hold
30,000
Metropolitan Washington Airport Authority (MWAA) will respond automatically
to a plane crash withing how many miles of Dulles or Regan airports
5
Who has the authority to place specialized foam apparatus in the hot zone for
operational or attack purposes
Incident Commander
What are flammable liquids that mix readily with water?
Polar solvents
Substances lighter than air are said to have vapor densities less than ___
1.0
What type of foam is recommended for extinguishing an ethanol fire?
Alcohol-Resistant (AR)
A large spill is a spill exceeding how many gallons?
55
Approximately how many gallons of product will service rail cars carry?
30,000
What is the most effective appliance for generating low-expansion foam?
Air aspirating foam nozzle
At a minimum, how large should an established hot zone be fore a spill in a storage
tank dike area?
The entire dike area
To calculate concentrate requirements, the time duration depends on the nature of
the incident. Typical times are ___ minutes for tanks and ___ minutes for ground
spills
60,120
What method of foam application directs the foam stream off an object that is
elevated about the spill and allows the finished foam to run down onto the surface
of the fuel?
Bank-down
A combustible liquid is defined as having a flash point above _____ degrees and
below ____ degrees Fahrenheit?
100 and 200
What is the proper application rate of foam for fires involving ethanol-blended
fuels?
3 GPMS/10 Sqft
Any tank greater than ____ ft in diameter is required to have a weak roof-to-shell
seam
50
Which engine shall be deemed the water supply officer for incidents involving
large flammable liquid spills/fires?
3rd Engine
Which type of foam application uses master streams and hand lines nozzles to
deliver finished foam to the burning surface in a manner that results in some
agitation of the surface?
Type III
The Water Supply Officer shall ensure that a flow rate of at least ______ GPMs for
all Incidents involving large amounts of flammable liquid product?
1000
Substances lighter than air are said to have vapor densities __________________.
Less than 1
A small transformer fire may be able to be knocked down with _ before the power
is shut down.
Dry chemical extinguisher
The initial units arriving on the scene of a flammable liquids incident should
declare the
Operating mode,
Look up correct answer Page 7
What are the two most commonly used foams used today?
Aqueous Film Forming Foam and Alcohol Resistant Film Forming
Foam
Foam is made of how many ingredients?
3
At a fuel spill at a loading rack structure, the officer of the first-arriving tactical
unit must perform a _____________ of the incident scene.
Risk assessment
This method of application is preferred for use with Ethanol fuel.
Bank-down method
The two primary factors for transformer fires are ______________
Load and age
Small spills occurring inside a structure should be managed by what resources?
Structure fire assignment
Properly marked 10¾-inch placards should be visible on ____________ making
identification of the product easier
All four sides
What tank construction features, a system of corrosion protection that uses a small
electrical current.
Cathodic Protection
Fixed and semi-fixed foam protection systems are designated by what color
piping
Red
While in route, responders should plan to approach only from the _______
direction if possible
Uphill/upwind
A __________________ has a flash point above 100°F and below 200°F
Combustible Liquid
Which type of Flammable Liquids mix readily with water?
Polar Solvents
In the Set-Up phase of operations on a railway incident how far away should
flaggers be stationed from the incident?
2 miles out from the incident in both direction
When you are the officer of the first due engine on a spill emergency and
additional resources are not readily available or delayed, what should be your main
concern?
Identification and protection of exposures
What is required for a small spill?
1 engine with atmospheric monitoring capabilities
What units are in a foam task force?
2AR foam units, 1 pump/roll unit, 2 Engines, 1 BC, 1 Hazmat asset
How far apart do you need to stage flaggers on a rail incident?
2 miles forward in each direction
What are the 2 primary factors for transformer fires?
Load and age
What is the auto ignition temperature of ethanol?
793 degrees
What is the first unit’s priority on a tanker truck incident?
Scene safety
Which Type of foam application method describes; fixed foam outlet, either
subsurface or topside, designed to deliver finished foam to surface of burning
liquid with restricted agitation?
Type II
What is Hydrophilic
The substance having a strong affinity for water
When dealing with flammable and combustible liquids, what is considered a high-
risk activity?
Transferring them from storage tanks to transportation vehicles via loading rack
When should the fixed foam system at a loading rack be used for general vapor
suppression?
When it is the only resource available
On a flammable liquid spill, when foam operations have been initiated within an
affected dike area what must also happen?
Cease exposure protection with water streams
A bulk storage tank greater than 50 feet in diameter is required to have a weak
roof-to-shell seam. What purpose does this serve?
Allows roof to peel back or blow off in the event of an internal explosion
What is a somewhat common problem associated with open floating roof
petroleum storage tanks?
Seal fires, often caused by lightning strikes
When working on the top of a petroleum storage tank in a flammable liquids
incident what consideration must be met?
Two means of egress must be available
When dealing with above ground low-pressure fuel storage tanks, what does an
increase in the intensity of a vent fire sometimes indicate?
There is high pressure in the tank and the potential for violent tank
failure
Pure Ethanol is a polar solvent that is water-soluble and has a flash point of what
temperature?
55°F
AFFF-type foams require approximately ____ gallon(s) per minute foam solution
for every 10 square feet of burning surface on a hydrocarbon-type fuel
1 GPM
The most prevalent style of transport of the blended fuels that emergency
responder will encounter will be by what?
MC306/ DOT 306
General service rail cars will carry approximately how much product?
30,000 gallons
What has now become the leading single hazardous material transported by rail?
Ethanol (E-95)
How many U.S. gallons does a barrel of petroleum product contain?
42 gallons
A large spill is defined as a spill of what quantity of flammable liquids?
More than 55 gallons
Flammable liquids are categorized as what class of fire fuel?
Class B
When additional risk is justified because rescue operations can be quickly
achieved, the spill or leak can be quickly contained, or the fire can be extinguished,
units should operate in what mode?
Offensive attack mode
When performing Recon on a Flammable Liquids event, what resource should
units use to identify the product type?
The Emergency Response Guidebook
Based on the rule of thumb, when developing your water supply plan the supply
should be able to flow how many GPM of finished product (foam) per unit
flowing
1000 gpm
What is the greatest hazard of ethanol as a motor fuel component?
Flammability
Due to catastrophic failure occurring in past incident, what operation mode should
be utilized in the instance of an incident involving an ethanol carrier and fire?
Non-intervention Mode
When operating at a Tanker Truck incident, at what distance should you utilize
binoculars to look for placards or other warnings and the product name or number
on the tractor or trailer?
500 feet
For spill fires, Officers should ensure that they have enough concentrate and water
to sustain an attack for how long?
20 minutes
What foam application method is preferred for use with Ethanol fuel fires?
Bank-down
