Chapter 8 Flashcards
Question: What type of extinguisher combats the water freezing problem by adding an alkali salt?
Loaded Stream
Question:_______ _________ foam contains a polymer that will form a protective layering between the burning surface and the foam
Alcohol Resistant or AR
Question: How many classes of fire extinguishers are there?
5
Question: When sweeping the fire with an extinguisher, what part of the fire do we sweep?
The base
Question: Class __ fires involve flammable and combustible liquids, gases, and greases.
B
Question: name 1 of 3 factors for selecting an extinguisher.
type of fuel OR person using the extinguisher OR the building or envirement where it will be used.
Question: name 1 of 6 types of extinguishing agents.
water type OR foam OR carbon dioxide OR halon OR dry chemicals OR wet chemicals
Question: the test for Class __ extinguishers involves igniting a pan of a flammable liquid, allowing a pre-burn period, and attacking a fire.
B
Question: in terms of using an extinguisher, what does the P stand for in P.A.S.S.?
Pull
Question: What class of fire involve combustible metals and alloys?
D
Question: What symbol/shape and color was commonly used to label a Class D fire extinguisher?
Yellow Star
Question: Class D agents are called dry __________.
Powders
Question: __________-based agents can not be used as an extinguishing agent for Class C fires.
Water
Question: The first factor to consider when choosing an extinguisher is the type and amount of _______ present.
Fuel
Question: New as of 1998 what class of fire is for combustable cooking fuels?
K
Question: What class of fire do we want to check for erratic fire behavior when extinguishing with water?
D
Question: Magnesium, Sodium, Lithium, and Potassium, are all types of fuel for what class of fire?
D
Question: Which class of portable fire extinguisher has a non conductive nozzle?
C
Question: Which class of fire do we NEVER put water on?
C
Question: What class does a Class C fire become when the electricity is shut down?
Class A
Question: What are extinguishing agents for Class D fires?
Dry powders
Question: Recharging a water extinguisher is a simple process that is usually performed in the _______ ________ by any firefighter?
Fire station
Question: _______ ______ tests are used for Class B extinguishers?
Flammable pan
Question: Class K agents are usually wet chemicals that are usually used in ______ ______, but some portable extinguishers are available?
Fixed systems
Question: What extinguishing agent should be avoided on Class D fires because it may cause a violent reaction.
Water
Question: Water extinguishers should only be used on what class of fire?
A
Question: Extinguishers in buildings should be inspected every __ days.
30
Question: What class of fire involves energized electrical equipment?
Class C
Question: What flammable liquid is used when testing Class B extinguishers?
Heptane
Question: What is the acronym used as a reminder for how to operate a fire extinguisher?
PASS
Question: Class ___ materials are always considered hazardous materials.
D
Question: The inspection/service date should not only be posted on the outside, but also the _____ of an extinguisher.
Inside.
Question: If ___% or more of the pressure of an extinguisher is gone, it needs to be replaced.
10%
Question: What does PASS stand for relating to fire extinguishers?
Pull, Aim, Squeeze, and Sweep.
Question: Pressurized flammable liquids and gases should be extinguished by stopping the ____ of fuel.
Flow.
Question: Water is used as the basic fire extinguishing agent for class A materials becuase of its ability to abosrb _____.
Heat.
Question: What is a synthetic foam that as it breaks down forms an aqueous layer or film over a flammable liquid?
Aqueous film forming foam
Question: What is a foam containing a polymer that will form protective layering between the burning surface and the foam?
Alcohol Resistant foam
Question: What is the classification of fire involving ordinary combustibles such as wood, paper, cloth, plastics, and rubber?
Class A
Question: What is an inert colorless and odorless gas that is stored under pressure as a liquid that is capable of being self- expelled and is effective in smothering class b and c fires?
Carbon dioxide
Question: Stored pressure ____ or ____ extinguisher have air aspirating foam nozzle.
AFFFor FFFP
Question: Improper operation of a _____ extinguisher can result in injury to the operator.
CO2
Question: What color extinguisher is used for a class D fire?
Yellow
Question: Water on flammamble metals cause it to do what?
Explode
Question: Halon has been discontinued due to depletion of the ________layer.
Ozone
Question: Name on of the three situations in which an extinguisher is used.
small fires, unusual fires or fires that cannot be reached quickly with hoselines
Question: Name two of the six types of extinguishers.
Water, AFFF, Halon, C02, Dry Chemical, Dry Powder
Question: In regards to extinguisher ratings, an extinguisher rated “4A” can put out _ times more than one rated “2A”.
2
Question: Common extinguishing agents for Class B fires are ______ ______, regular and multipurpose dry chemical, and foam?
Carbon Dioxide
Question: Testing of Class A extinguishers and agents utilizes _____ ______?
Wood Cribbing
Question: How many times per year should extinguishers be serviced?
1
Question: Carbon Dioxide fire extinguishers are meant for which two classifications?
B & C
Question: _____ _____ are gases that do not conduct electricity or leave a residue, and are nonvolatile.
Clean Agents
Question: When using a CO2 extinguisher, firefighters must ensure that the aiming hand is on the handle, not on the _____ where the cold can freeze the skin.
Horn
Question: It is important to pick the right extinguisher for the right _____.
Job
Question: Normally portable water extingushers contain ____ gallons of water?
2.5
Question:Name one of the 3 main types of dry chemicals
Sodium Bicarbonate, Potassium Based, and Normal Dry Chemicals
Question: What type of extinguishing agents are particles propelled by a gaseous medium?
Dry Chemicals
Question: It is false to think that you can throw a extinghusher into the fire because an extingusher is not a _________
Grenade
Question: CO2 extinguishers work best in what kind of areas?
enclosed or semi-enclosed
Question: the 2 in the 2A rating of a class A extinguisher is referring to what?
cubic footage to be extinguished
Question: when inspecting extinguishers what 3 things should one look for?
accessibility, serviceability, & ability to be used
Question: The type or nature of the material burning, or fuel, defines the class of ____
Fire
Question: Firefighters must remember to have a path of _______ behind them; they cannot allow the fire to get between them and the exit.
Escape
Question: What is a method of electronic communication between an in-place fire extinguisher and an electronic monitoring device/system?
Electronic monitoring.
Question: Alcohol and propane are considered what type of fire?
Class B.
Question: Name one of two extinguisher designs that were created for wildland applications?
Pump Type or Backpack pump
Question: The gauge on the extinguisher measures the ________.
Pressure
Question: A type K extinguisher can be used on what two type of fires?
Class B and Class K
QUESTION: INSPECTION OF FIRE EXTINGUISHERS IS USUALLY A _____ INSPECTION?
VISUAL
QUESTION: DRY CHEMICAL EXTINGUISHERS ARE THE MOST COMMON USED TODAY. WHAT ARE THE TWO TYPES OF DRY CHEMICAL EXTINGUISHERS?
ORDINARY AND MULTI PURPOSE
QUESTION: HALON 211 AND 1301 ARE USED ON WHAT TYPES OF FIRES?
CLASS B AND C
Question: A 2-A rated extinguisher will be able to put out___________________ of wood cribbing?
2 cubic feet
Question: Class K extinguishing agents are ________________, water-based solutions of potassium mixtures?
Wet chemicals
Question: Recharging a ________ extinguisher is a simple process that can be done at the station by any firefighter.
Water
Question: Name one of the two types of foams in water-based foam extinguishers.
AFFF or FFFP
Question: Water-based agents cannot be used on which two classes of fires?
C and D
Question: Cartridge-operated dry chemical extinguishers are ______ pressure.
High
Question: Name all 5 classes of fire.
A ,B, C, D, K
Question: name 1 of the 3 types of extinguisher?
pumped, stored, cartridge
Question: TRUE or FALSE? do we test extinguishers no return from servicing?
TRUE
Question: using the wrong extinguisher could result in a bad _____?
reaction
Question: fire extinguishers are designed to fight ______ fires?
small