Which fire extinguisher is most suitable for putting out fires involving metal?

Asked By: Iradi Geercke | Last Updated: 7th June, 2020
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A Class D fire extinguisher is best used for fires involving combustible metals with very high temperatures. Class K fire extinguishers are best used for cooking oils and other grease-type fires.

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Also asked, which type of fire extinguisher is suitable for all types of fires?

Dry Chemical

Secondly, which of the following two extinguishers is suitable for a fire involving flammable liquids? Carbon dioxide extinguishers do not leave any residue, unlike a foam extinguisher. They can also be used on Class B fires, those involving flammable liquids such paraffin or petrol. CO2 extinguishers work by smothering the fire and cutting off the supply of air. Carbon Dioxide Extinguishers (CO2) have a black label.

Also Know, what type of extinguisher should be used on a fire involving gas?

Powder Fire Extinguisher Use: Ideal for multi-risk environments, powder extinguishers are effective at combatting Class A, B and C fires. Therefore, this means they can be used on solid materials, flammable liquids and gases and electrical equipment.

Which two types of extinguisher could be used on a materials fire?

Different Types of Fire Extinguisher

  • WATER. Water fire extinguishers have a class A rating and are suitable for fighting fires involving solid combustibles such as wood, paper and textiles.

31 Related Question Answers Found

What Is in a Class D fire extinguisher?

Class D. Class D fires involve combustible metals, such as magnesium, titanium, potassium and sodium as well as pyrophoric organometallic reagents such as alkyllithiums, Grignards and diethylzinc. These materials burn at high temperatures and will react violently with water, air, carbon dioxide and/or other chemicals.

What is class ABC fire extinguisher?

ABC Fire Extinguishers use monoammonium phosphate, a dry chemical with the ability to quickly put out many different types of fires by smothering the flames. This pale, yellow powder can put out all three classes of fire: Class A is for trash, wood, and paper. Class B is for liquids and gases.

What is a Class F fire?

Class F fires are fires which involve cooking oil or fat. Though technically a sub-class of fires caused by flammable liquids or gases, they differ from conventional fires due to the extremely high temperatures involved.

What is pass full form?

Discharge the extinguisher within its effective range using the P.A.S.S. technique (pull, aim, squeeze, sweep). Back away from an extinguished fire in case it flames up again.

What is a Class K fire?

Class K fires are fires with substances such as the animal and vegetable fats present in commercial cooking oils and greases. These types of fires can only be effectively quenched with a Class K fire extinguisher.

What are Class C fires?

What Are Class C Fires? A class C fire is an energized electrical fire. “Class C” is a term that distinguishes a fire from class A and class B fires. Class A is a category for fires consuming a source like fire or wood that can be extinguished with water, and class B fires are fueled by flammable liquids like gasoline.

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 fire type?

Fire Types. There are four different types, or classes, of fire: Class A fires involve solid materials of an organic nature such as wood, paper, cloth, rubber and plastics that do not melt. Class B fires involves liquids. They include petrol, diesel, thinners, oils, paints, wax, cooking fat and plastics that melt.

What action should you take if you hear an intermittent fire alarm?

Intermittent or short bursts, means the fire is nearby. The alarms will sound throughout the Hospital (or building that you are in). If the continuous fire alarms sound. 1 Stop what you are doing unless you are lifesaving (CPR etc).

Which fire extinguisher should not be used in confined spaces?

Carbon Dioxide (Black)
The carbon dioxide in this type of extinguisher replaces the oxygen in the air surrounding the fire, preventing combustion. Never use this type of fire extinguisher in a confined space as it will starve you of oxygen. Carbon dioxide extinguishers are best used for electric (E) fires.

What is a blue fire extinguisher?

Blue. Best For. These specialist powder extinguishers are designed to tackle fires involving combustible metals such as lithium, magnesium, sodium or aluminium when in the form of swarf or powder.

How do you extinguish an electrical fire?

To put out an electrical fire, unplug the appliance or shut off the power to disconnect the electricity. Consider calling emergency services before putting out the fire, just in case it gets out of hand. You can smother a small fire with baking soda if you have that nearby.

What is a Class C fire extinguisher used for?

Fire extinguishers with a Class C rating are suitable for fires in “live” electrical equipment. Both monoammonium phosphate and sodium bicarbonate are commonly used to fight this type of fire because of their nonconductive properties. Fire extinguishers are classified by fire type.

What size fire extinguisher do I need?

Deciding How Big Your Fire Extinguisher Should Be
A standard 2A:10B:C extinguisher should be sufficient for an average-sized room with no significant hazards. However, a larger warehouse space may need a 4A:60B:C or 10A:80B:C extinguisher to cover the larger area.