If your boat is
less than 26 feet
, you need one B1 fire extinguisher on board. If your boat is between 26 and 40 feet, you need either two B1 or a single B2 fire extinguisher. And finally, if your boat is between 40 and 65 feet, you need either three B1 extinguishers or two B2 extinguishers.
What is a Type B fire extinguisher used for?
Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by
smothering
. Class C: Electrical equipment, appliances and wiring in which the use or a nonconductive extinguishing agent prevents injury from electrical shock.
Under which of the following conditions is a Type B 1 fire extinguisher required?
All vessels, including PWC, are required to have a Type B USCG–approved fire extinguisher on board if one or more of the following conditions exist:
Closed compartments under seats where portable fuel tanks may be stored
.
Closed storage compartments in which flammable or combustible materials may be stored
.
When would you use a Class B fire extinguisher?
Class B fires involve
flammable and combustible liquids
such as gasoline, alcohol, oil-based paints, lacquers. Therefore, extinguishers with a B rating are designed to extinguish fires involving flammable and combustible liquids.
What does the B on a B1 fire extinguisher indicate?
Answer: The letter “b” indicates it is
effective against flammable liquid fires
.
Which vessel must have a Type B fire extinguisher on board?
Boats less than 26′ have
to have at least one B-1 fire extinguisher on board. Boats 26′-40′ need to have at least two B-1 fire extinguishers on board. If the boat has a USCG approved fire extinguisher system installed for protection of the engine compartment, then the required number may be reduced.
What is the difference between a B1 and B2 fire extinguisher?
CLASS C: Electrical fires
You can use water, or a Class A fire extinguisher, to put out this type of fire. Class B fires, on the other hand, have a flammable liquid fuel source, like gasoline. … The number after the B, for example a B1 or B2 extinguisher,
indicates the capacity of the extinguisher
.
What are the 4 types of fires?
What are the fire safety rules?
Class A – fires involving solid materials
such as wood, paper or textiles. Class b – fires involving flammable liquids such as petrol, diesel or oils. Class c – fires involving gases.
What type of fire extinguisher is used for Class B?
CO2:
A carbon dioxide fire extinguisher
works on a Class B fire by expelling CO2 to suffocate the fire, removing the oxygen necessary to keep it burning. It also helps with removing the heat, as the discharge is very cold.
What is in a Type B fire extinguisher?
“B” LIQUIDS
Two commonly used chemicals are effective in fighting these types of fires.
Monoammonium phosphate effectively smothers
the fire, while sodium bicarbonate induces a chemical reaction which extinguishes the fire.
What causes Class B fire?
Class B fires are fires which involve
flammable or combustible liquids
. The presence of these liquids, which are also known as hydrocarbon fuels, represent the fuel aspect of the fire triangle (heat, fuel and oxygen) and provide the materials necessary to begin, develop and maintain a fire.
How is Class B fire extinguished?
Class B fires involve flammable liquids like oil, alcohol, or gasoline. … Class B fires should be extinguished using
foam, powder, or carbon dioxide extinguishers
, according to the Fire Equipment Manufacturer’s Association. These types of extinguishers work by cutting off a fire’s oxygen supply.
What does ABC mean in fire extinguisher?
Dry Chemical Extinguishers come in a variety of types. You may see them labeled: • “DC” short for “dry chem” • “ABC” indicating that
they are designed to extinguish class A,B,and C fires
, or • “BC” indicating that they are designed to extinguish class B and C fires.
What does the letter B on a B-1 fire extinguisher indicate quizlet?
What does the letter “B” on a B-1 fire extinguisher indicate?
The type of fire it is designed to extinguish
. What should you do before an inboard gasoline engine? Operate the blower for at least four minutes.
What are Class B and C fires?
What types of fires can be extinguished with carbon dioxide (CO2) fire extinguishers?
Class B fires which involve flammable liquids and gases, solvents, oils, greases
(excluding cooking oils/greases in depth) tars, oil-based paints and lacquers. Class C fires which involve energized electrical equipment.
Which extinguisher used for electrical fire?
In the case of electrical fires, also known as energized electrical fires,
a class C fire extinguisher
is needed to put it out. If this kind of fire occurs the source of electricity must be identified and shut off because the electricity itself will provide the fire with a constant source of ignition.
