Certain types of water fire extinguishers contain antifreeze which will allow the extinguisher to be used in freezing conditions. 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. Water mist extinguishers are a type of water fire …
Multipurpose fire extinguishers, labeled ABC, may be used on all three classes of fire. If you use the wrong type of extinguisher, you can endanger yourself and make the fire worse. It is also very dangerous to use water or an extinguisher labeled only for Class A fires on a cooking-grease or electrical fire. Depending on their intended use, portable extinguishers store specific "extinguishing agents," which …
What types of fire extinguishers leave a dangerous residue?
Yes, carbon dioxide is found in some types of fire extinguishers. In others, nitrogen gas or compressed air is used. Some expensive types contain other pressurized gases such as Halotron or …
Workbook for Simmers’ DHO: Health Science (8th Edition) Edit edition Solutions for Chapter 14.3 Problem 8AS: Which types of fire extinguishers leave a dangerous residue? … Get solutions Get solutions Get solutions done loading Looking for the textbook?
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What are the different types of chemical fire extinguishers?
Types of agents available include sodium bicarbonate base and potassium bicarbonate base. Dry chemical type extinguishers have special treatments that ensure proper flow capabilities by providing resistance to packing and moisture absorption (caking). Fire extinguishers of this type contain an ammonium phosphate base agent.
How does a Class A fire extinguisher work?
For use on Class A fires, the multipurpose agent has the additional characteristic of softening and sticking when in contact with hot surfaces. In this way, it adheres to burning materials and forms a coating that smothers and isolates the fuel from air.
What type of liquid is used in fire extinguishers?
Water is the primary liquid used in these extinguishers, although sometimes other additives are also included. A drawback for pure water fire extinguishers is that it is not suitable for use in freezing conditions since the water inside will freeze and render the extinguisher unusable.
What are the disadvantages of water fire extinguishers?
A drawback for pure water fire extinguishers is that it is not suitable for use in freezing conditions since the water inside will freeze and render the extinguisher unusable. Certain types of water fire extinguishers contain antifreeze which will allow the extinguisher to be used in freezing conditions.
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EXPLOSION🚨 | What You MUST Know About Fire Extinguishers | How To Clean Up Fire Extinguisher Residue Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher