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Fire Extinguishers

Fire extinguishers are used in homes, schools, businesses and boats as a way to put out a small fire. Fire extinguishers come in many types for different purposes, including portable or fixed systems. This category relates to the science, origins, operation, selection and standards for fire extinguishers.

1,462 Questions

What is the coat guard requirement for fire extinguishers?

The Coast Guard requires that all vessels carry fire extinguishers that are U.S. Coast Guard-approved and suitable for the size and type of the vessel. The quantity and type of extinguishers depend on the vessel's length and whether it has any enclosed spaces. Additionally, the extinguishers must be easily accessible and maintained in up-to-date condition, with monthly checks for proper operation. It's essential for boat operators to familiarize themselves with these requirements to ensure safety at sea.

Why should you never use a fire extinguisher on a chip pan?

You should never use a fire extinguisher on a chip pan fire because it can spread the flames and make the situation worse. Chip pan fires typically involve hot oil, which can splatter and ignite when doused with water-based extinguishers. Instead, it's safer to cover the pan with a lid or use a fire blanket to smother the flames. Always prioritize safety and evacuate if the fire is out of control.

How far back from the Fire should you stand before you begin?

When starting a fire, it is generally recommended to stand at least 10 to 15 feet away. This distance helps ensure your safety from heat, sparks, and potential flare-ups. Additionally, maintaining this space allows for better visibility and control while managing the fire. Always prioritize safety and follow any specific guidelines related to the type of fire you are starting.

What type of Fire extinguishing materials are used for class b and c?

Class B fires, which involve flammable liquids like gasoline or oil, are typically extinguished using foam, dry chemical agents (such as sodium bicarbonate or potassium bicarbonate), or carbon dioxide (CO2). Class C fires, which involve electrical equipment, should be tackled with non-conductive extinguishing agents, such as CO2 or dry chemical extinguishers specifically rated for electrical fires. It's important to ensure that the extinguishing material is appropriate for the type of fire to prevent exacerbating the situation.

What changes were put into place following the fire of 1682?

Following the fire of 1682 in London, significant changes were implemented to improve fire safety and urban planning. The rebuilding of the city emphasized the use of brick and stone rather than wood to reduce fire risk. Additionally, new regulations were established, including wider streets and the establishment of fire insurance companies. These measures aimed to enhance the overall resilience of the city against future fires.

Can you use fire extinguisher powder as a grass fertilizer?

No, fire extinguisher powder should not be used as a grass fertilizer. The chemicals in fire extinguisher powder, such as bicarbonate of soda or ammonium phosphate, are not formulated for plant nutrition and can potentially harm the grass or soil health. It's best to use products specifically designed for fertilization to ensure the health and growth of your grass.

What does the number on fire extinguishers indicate?

The number on fire extinguishers indicates the extinguisher's fire rating, which reflects its effectiveness against different types of fires. For example, a Class A rating relates to ordinary combustibles like wood and paper, while Class B pertains to flammable liquids. The number preceding the letter typically indicates the amount of extinguishing agent available; for instance, a 2A rating means the extinguisher can handle twice the fire risk of a 1A rating. Understanding these ratings helps users select the appropriate extinguisher for specific fire hazards.

What Classification of Fire main fittings are NOT closed when General Quarters is sounded?

When General Quarters is sounded, the main fittings that are typically NOT closed include the fire main, which is essential for firefighting operations, and other critical equipment necessary for emergency response. Additionally, certain ventilation systems may remain operational to manage smoke and heat, while access routes for emergency personnel must remain open. This ensures that firefighting efforts can be conducted effectively and that personnel can respond to the situation promptly.

What is a fire extinguisher with a red band or triangle be used for?

A fire extinguisher with a red band or triangle is typically designated for Class B fires, which involve flammable liquids such as gasoline, oil, and grease. These extinguishers contain agents like foam, carbon dioxide, or dry chemical powders that are effective in smothering and cooling burning liquid fuels. It's important to use the correct type of extinguisher for the specific fire to prevent spreading the flames or causing additional hazards. Always check the label for specific instructions and appropriate usage.

What type of extinguisher want to you pipe and welding site?

For a pipe and welding site, a Class B extinguisher is essential, as it is designed to combat flammable liquids, such as oils and fuels commonly found in these environments. Additionally, a Class C extinguisher is important for electrical fires that may arise from welding equipment. It's also advisable to have a multi-purpose extinguisher (Class ABC) for added safety against various fire types. Always ensure that extinguishers are easily accessible and regularly inspected.

What are some names used for fire axes?

Fire axes are commonly referred to as "fireman’s axe," "battalion axe," or "rescue axe." Some regional variations may include "firefighter's axe" or simply "axe." In certain contexts, they may also be called "flathead axe" or "pickhead axe," depending on their design features. These names often reflect their specific use in firefighting and rescue operations.

What is the maximum effective range of a 15-pound Co2 extinguisher from the outer end of the horn?

The maximum effective range of a 15-pound CO2 extinguisher is typically around 8 to 10 feet (2.4 to 3 meters) from the outer end of the horn. This distance allows for effective application of the CO2 gas to smother fires. However, optimal performance is achieved closer to the fire source, as the extinguisher's effectiveness decreases with distance. Always ensure to aim the horn at the base of the fire for the best results.

What happens when you put gold in the fire?

When gold is placed in a fire, it does not burn or oxidize due to its high melting point of about 1,064 degrees Celsius (1,947 degrees Fahrenheit). Instead, it will melt and become a liquid if the temperature exceeds its melting point. Once removed from the fire and allowed to cool, it will solidify back into its original metallic form. Gold's properties remain unchanged, making it a highly stable and valuable metal even after exposure to extreme heat.

Where to look for the size of a fire extinguisher on a fire extinguisher?

The size of a fire extinguisher is typically indicated on the label or nameplate attached to the unit. Look for a printed number that represents the weight of the extinguisher in pounds or kilograms. This information is usually located near the top or on the body of the extinguisher, along with other important details like the type of extinguisher and its usage instructions.

What is the fire of casdim?

The "fire of Casdim," or "fire of the Chaldeans," refers to a biblical event described in the Book of Daniel, specifically in the story of Shadrach, Meshach, and Abednego. This event involves King Nebuchadnezzar's decree to worship a golden statue, leading to the three Hebrew youths being thrown into a fiery furnace for refusing to comply. Miraculously, they emerge unharmed, which is seen as a demonstration of their faith in God and His power to save. The phrase symbolizes divine protection and the triumph of faith over persecution.

What is the proper way to use a fire extinguisher on a boat?

To properly use a fire extinguisher on a boat, remember the acronym PASS: Pull the pin, Aim the nozzle at the base of the fire, Squeeze the handle, and Sweep the nozzle side to side. Ensure that you are positioned between the fire and an exit route for safety. Always aim for the base of the flames to effectively extinguish the fire. If the fire doesn’t go out quickly, evacuate the area and call for help.

What would happen if you used a foam fire extinguisher on a liquid fire?

Using a foam fire extinguisher on a liquid fire can be effective, as foam is designed to smother flames and create a barrier between the fuel and the air. However, it's crucial to ensure that the liquid is compatible with foam extinguishing agents, as some flammable liquids may react adversely. If the foam does not properly cover the fuel, it might spread the fire instead of extinguishing it. Always check the fire classification and use the appropriate extinguisher for the specific type of fire.

When using a fire extinguisher what word can be used to remember what to do?

The word "PASS" can be used to remember the steps for using a fire extinguisher. It stands for Pull the pin, Aim the nozzle at the base of the fire, Squeeze the handle, and Sweep the nozzle from side to side. This acronym helps ensure that you use the extinguisher effectively and safely.

When do you use a multipurpose dry chemical extinguisher?

A multipurpose dry chemical extinguisher is used for fires involving ordinary combustibles (Class A), flammable liquids (Class B), and energized electrical equipment (Class C). It is effective for a wide range of fire types, making it suitable for use in homes, businesses, and vehicles. Always ensure to aim at the base of the fire and follow the PASS technique: Pull, Aim, Squeeze, and Sweep.

What are the limitations of using a fire blanket?

Fire blankets are effective for smothering small fires, particularly those caused by cooking oils or clothing. However, they have limitations, such as being unsuitable for large fires or those involving flammable gases and chemicals. Additionally, they require proper handling and may not be effective if the user is not trained in their use. Lastly, a fire blanket can only be used once; after deployment, it must be replaced.

How to make a model of a soda acid fire extinguisher?

To make a model of a soda acid fire extinguisher, you'll need a clear plastic bottle, baking soda, vinegar, and a small balloon. Fill the bottle with a few tablespoons of vinegar, then place a few teaspoons of baking soda inside the balloon without letting it fall into the bottle. Secure the balloon over the bottle's opening without letting the baking soda spill in. When ready to demonstrate, release the baking soda into the vinegar, which will create carbon dioxide gas and build pressure, simulating how the extinguisher works.

What is the purpose of shaking fire extinguishers?

Shaking fire extinguishers serves to mix the contents and ensure that the extinguishing agent is properly distributed inside the canister. This is particularly important for dry chemical extinguishers, as the powder can settle or clump over time, potentially affecting its effectiveness. By shaking the extinguisher before use, you help ensure it will function properly in an emergency. Regular maintenance, including shaking, is crucial for ensuring the extinguisher is ready for deployment.

What type and size extinguisher for commercial vehicle?

For commercial vehicles, a Class B fire extinguisher is typically recommended, as it can effectively handle flammable liquids like gasoline and oil, which are common in vehicle fires. A size of at least 2.5 gallons or 10 to 20 pounds is advisable for adequate coverage. Additionally, if the vehicle is used to transport materials that could lead to electrical fires, a Class C extinguisher may also be necessary. Always ensure that the extinguisher is easily accessible and regularly inspected for compliance with safety regulations.

Should dry chemical fire extinguishers be stored up-side-down so as to make it easy to loosen up the compacted chemical by bumping the bottom of the canister on the ground just prior to using it?

No, dry chemical fire extinguishers should not be stored upside down. Storing them this way can lead to improper functioning and might damage the extinguisher's components. It is essential to store fire extinguishers in an upright position to ensure that the contents remain properly settled and that the extinguisher operates effectively when needed. Always refer to the manufacturer's guidelines for proper storage and maintenance.

What must be carried onboard a pleasure craft at ALL times?

On a pleasure craft, at all times, you must carry a properly fitting life jacket or personal flotation device (PFD) for each person on board. Additionally, you should have a sound signaling device, such as a whistle or horn, and appropriate navigation lights if operating after dark. Depending on the size of the vessel, other safety equipment like fire extinguishers, a first aid kit, and visual distress signals may also be required. Always check local regulations for specific requirements.