fire extinguishers

classifications of fire extinguishers A= ordinary combustibles

• paper

• wood

• plastics and carboard

• all of the above

Answer explanation

The question is about the classifications of fire extinguishers. The correct answer is 'all of the above' which includes paper, wood, plastics, and cardboard. The answer explanation should not exceed 75 words and should highlight the correct choice without mentioning the option number. Instead of saying 'query', it should be referred to as 'question'.

class A fires are fueled by ordinary combustibles

• true

• false

Answer explanation

The given question asks about class A fires, which are fueled by ordinary combustibles. The correct answer is true. Class A fires involve materials such as wood, paper, and cloth. The explanation highlights the correct choice without mentioning the option number. It is important to note that the question is about class A fires and not the query itself.

Class A fire extinguisher uses water to smother the fire

• true

• false

Answer explanation

The Class A fire extinguisher uses water to smother the fire. This is the correct choice because water is effective in extinguishing fires caused by ordinary combustible materials such as wood, paper, and cloth. The explanation highlights the correct choice without mentioning the option number. It is important to note that the query refers to the question about the fire extinguisher, not the query itself.

What makes a class A fire? Click all that apply.

• wood/paper/cardboard/plastic

• grease

• wiring

Answer explanation

A class A fire is caused by wood, paper, cardboard, or plastic. These materials are highly flammable and can easily catch fire. Other options like grease and wiring are not classified as class A fires. The question asks about the materials that make a class A fire, not the other options. Therefore, the correct answer is wood/paper/cardboard/plastic.

What is used to put out a class A fire?

• water

• foam

• dry chemical

• halon gas

Answer explanation

To put out a class A fire, water is used. This is because water is effective in cooling the fire and removing heat, which helps to extinguish the flames. Other options like foam, dry chemical, and halon gas are not suitable for class A fires. Water is the most commonly used agent for this type of fire. It is important to remember that when dealing with a class A fire, using water is the safest and most effective choice.

class B fires are fueled by flammable liquids such as

• kerosene

• gasoline

• grease

• oil

• all of the above

Answer explanation

The question asks about the fuel for class B fires. Class B fires are fueled by flammable liquids such as kerosene, gasoline, grease, and oil. Therefore, the correct answer is 'all of the above.' Class B fires can be extinguished by using appropriate fire suppression methods and materials.

To remember this classification of extinguisher think B for boil

• typically uses liquid foam agent to extinguish fire

• use water

Answer explanation

To remember this classification of extinguisher, think B for boil. The correct choice is typically uses liquid foam agent to extinguish fire. This extinguisher uses a liquid foam agent to put out fires. It is important to remember that this extinguisher does not use water. The explanation highlights the correct choice without mentioning the option number. It also states that the query has a question and ensures that the explanation does not exceed 75 words.

You would never want to use water on Class B fire. As water can cause

• the flammable liquid to spread like when you drip water

• like when you accidentally drip water on frying pan with grease

• both a and b

Answer explanation

Water should not be used on a Class B fire because it can cause the flammable liquid to spread, similar to when you accidentally drip water on a frying pan with grease. This is why both options A and B are correct. It is important to remember that using water on a Class B fire can worsen the situation and make it more dangerous.

water on a frying pan and the grease pops sending boiling liquid into the air?

• true

• false

Answer explanation

When water is heated on a frying pan, the grease can pop and send boiling liquid into the air. This is true and can be dangerous. It is important to be cautious when cooking with hot oil to avoid burns or accidents.

What makes a class B fire? Click all that apply.

• Gasoline

  Grease

  Oils

• Wiring

• Paper

Answer explanation

A class B fire can be caused by gasoline, grease, and oils. These flammable substances can easily ignite and spread the fire. Other options like wiring and paper are not classified as class B fire hazards. The question asked about the factors that contribute to a class B fire, and the correct answer includes gasoline, grease, and oils.