WebApr 5, 2024 · Carbon Sulfur (CO2) extinguishers: The quench media is pressurized CO 2. When used for Class B and C fires, the CO 2 top the fuel by blanketing it, and stops the reacting at to surface on displacing oxygen. Be thorough when using a COLD 2 extinguisher. This has a soften spatter range and last only 10 to 30 seconds. WebMar 22, 2024 · Questions and Answers 1. An example of two "Class B" fuels would be: A. Brass and aluminum. B. Cardboard and newspapers. C. Grease and paint thinner. D. A toaster and a circuit breaker. 2. An APW (water extinguisher) is safety is on an electrical fire? A. True B. False 3. Carbon dioxide fire extinguishers are designed for which types of …
Nfpa Flashcards & Quizzes Brainscape
WebTo prevent this from happening, all portable fire extinguishers are required to be inspected and pressure tested by a qualified individual using the proper equipment and facilities. [29 CFR 1910.157(f)(1)] Hydrostatic testing is the method used to pressure test an extinguisher's critical components (cylinder, shell, hose assembly, etc.) for ... A quick check that a fire extinguisher is in its designated place, that it has not be actuated or tampered with, and that there is no obvious physical damage or condition to prevent its operation Film-forming foam agents Aqueous film-forming foam (AFFF) and film forming fluoroprotein foam (FFFP) Appreciable depths Depth greater than a quarter inch except of deviding zero
Hydrostatic Testing Of Portable Fire Extinguishers – Part 3
WebCourse 718 - Fire Prevention Plans. Class A Extinguishers are required anywhere ordinary combustibles are present. Fires involve materials such as wood, cloth, rubber, paper, and many plastics. The numerical rating for … WebHydrostatically test portable extinguishers at the intervals listed in the Hydrostatic Testing Intervals Table provided below, except under any of the following conditions: When there have been repairs made by soldering, welding, brazing, or with patching compounds. When the cylinder or shell threads are damaged. WebFind many great new & used options and get the best deals for Flame Defender 2 kg Fire Extinguisher at the best online prices at eBay! Free shipping for many products! bsg towing