Question: Which three types of fire is it dangerous to use a water extinguisher on?

This type of extinguisher is used for fires caused by various organic materials including fabrics, textiles, coal, wood, cardboard and paper among others. It should not be used for kitchen fires, fires caused by flammable gas and liquids as well as fires that involve electrical equipment.

Which type of fire is it dangerous to use a water extinguisher on?

Use: Water fire extinguishers are best for combatting Class A fires, for example fires involving organic solid materials, such as wood, cloth, fabric, paper and plastics. Dangers: Do not use on burning fat or oil and also never use on fires involving electrical appliances.

Which 3 fire extinguishers contain water?

Water extinguishers are one of the most cost-effective ways to fight Class A fires, those fuelled by solid materials such as paper, wood and textiles. There are four different types of water extinguishers: water jet, water spray, water with additives and water mist or fog.

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Which of the following 3 extinguishers is suitable for a fire involving flammable liquids?

CO2 fire extinguishers are safe for use on flammable liquid and electrical fires. They are NOT for use on wood, paper or fabric fires. They are also NOT suitable for cooking fires that involve oil and grease (such as chip pan fires) as the extinguisher could end up blasting the flames into surrounding areas.

What are the 3 main types of fire extinguishers?

It’s important to understand that no single fire extinguisher can safely and effectively douse every type of fire. OSHA states, “The three most common types of fire extinguishers are: air pressurized water, CO2 (carbon dioxide), and dry chemical.” There also are wet chemical fire extinguishers.

What are the 5 different types of fire extinguishers?

When it comes to the types of fire extinguishers, there are five main types including wet chemical, CO2, dry powder, foam and water. In order to meet the current regulations, it is important for you to have the exact type of fire extinguisher that is needed for your premises.

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.

  • Class A extinguishers will put out fires in ordinary combustibles such as wood and paper.
  • Class B extinguishers are for use on flammable liquids like grease, gasoline and oil.

What is a water mist fire extinguisher used for?

Extinguisher Type(s)

WATER MIST is the ultimate extinguisher for Class A fires and for locations where a potential Class C (electrical) hazard exists.

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What are the three most common causes of fire in the NHS?

The following circumstances often contribute to fires: Poor housekeeping, such as allowing ventilation points on machinery to become clogged with dust or other materials – causing overheating; Flammable materials used in contact with hot surfaces; Static sparks (perhaps due to inadequate electrical earthing).

What are the 4 types of fire extinguishers PDF?

There are five main types of fire extinguishers:

  • Water.
  • Powder.
  • Foam.
  • Carbon Dioxide (CO2).
  • Wet chemical.

How many types of fire extinguishers are there?

There are 5 main fire extinguisher types – Water, Foam, Dry Powder, CO2 and Wet Chemical.

What are the 3 most common types of fires?

The 4 most common types of fire

  1. Kitchen fires. The most common type of fire in the U.S. is the kitchen fire. …
  2. Electrical fires. …
  3. Heater fires. …
  4. Smoking-related fires.

Do fire extinguishers contain water?

Water is the primary liquid used in these extinguishers, although sometimes other additives are also included. … Water type fire extinguishers can also sometimes contain wetting agents which are designed to help increase its effectiveness against fire. These extinguishers are intended primarily for use on Class A fires.

What are the 3 components that a fire to start?

Oxygen, heat, and fuel are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.

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