Which one is a Class B fire?

Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering.

Which of these qualify for Class B fire?

In fire classes, a Class B fire is a fire in flammable liquids or flammable gases, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, or alcohols. For example, propane, natural gas, gasoline and kerosene fires are types of Class B fires.

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.

Where do Class B fires occur?

Class B fires are those where the fuel is flammable or combustible liquid.

Is paint a Class B fire?

CLASS B. Flammable or combustible liquids or gases; such as gasoline, kerosene, paint, paint thinners and propane.

What is CLASS B FIRE? What does CLASS B FIRE mean? CLASS B FIRE meaning

What is a Class B fire caused by?

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.

On which of the following types of surfaces should a Class B fire extinguisher not to be used?

Fire buckets can be used filled with water on Class A fires, or with sand to use as an absorbing agent on spilled flammable liquids (Class B). They must not be used with water on burning fat or oil or on electrical appliances.

What are the 4 classes of fire?

What are the 5 classes of fire?

What are the 5 classes of fire extinguishers?

What is a 5 B fire extinguisher?

This disposable, 1-time use Kidde fire extinguisher is UL rated 5 B: C and is approved for use on liquid, gas and electrical fires. This unit is fitted with a pressure gauge that provides at-a-glance status, is manufactured from lightweight aluminum and a tough aluminum valve assembly.

What are the 4 types of fire extinguishers?

There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.

What are the 3 types of fire extinguisher?

According to OSHA, air pressurized water, carbon dioxide (CO2) and dry chemical are the three most common types of fire extinguishers, with wet chemical extinguishers also used often.

What is a Class B and C fire?

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.

What class fire is cooking oil?

Greases, cooking oils, vegetable fat, and animal fat are all fuel sources found in Class K fires. Class K fires are naturally of concern in the food service and restaurant industry.

What is class E type of fire?

Class E Fires are fires involving electrical equipment. DO NOT ATTEMPT TO EXTINGUISH WITH ANY WATER BASED SUBSTANCE.

How many fire classes are there?

There are six different classes of fire and several different types of fire extinguishers.

What is a Type D fire?

A Class D fire is characterised by the presence of burning metals. Only certain metals are flammable and examples of combustible metals include sodium, potassium, uranium, lithium, plutonium and calcium, with the most common Class D fires involve magnesium and titanium.

What are the materials associated with a Class B fire?

Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering.

What do Class C fires include?

WHAT ARE CLASS C FIRES? A class C fire is one in which an energized electrical element is the cause of the fire. “Energized” means that the electrical component (whether electrical appliance, wiring, device, etc.) is connected to a power source.

What are the 3 most common types of fire?

Which is a commonly used method of extinguishing Class B fires quizlet?

Halon 1301 and Halon 1211 are most commonly used as extinguishing agents for Class B and Class C fires.

When using foam a Class B fire is extinguished by?

Foam extinguishes Class B Fires by covering the flammable liquid with a foam blanket, thus cutting off the oxygen supply from the combustion process. The water content of the foam will help lower the temperature of the flammable liquid.

What is a Class B fire UK?

So a class B fire is very dangerous as it is the burning of flammable liquids. Examples of flammable liquids include petrol, oil, paraffin, alcohol and certain paints. They can ignite by heating them up to extreme temperatures, or with a simple spark.

What is preventing Class B fire?

A small class B fire can also be extinguished by multipurpose dry chemical powder or by water mist that can effectively cool the fire. Re-ignition may also occur if the sources of heating the substance (above the ignition temperature) are not removed.