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fuse |
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fuseIn electricity, a wire or strip of metal designed to melt (thus breaking the circuit) when excessive current passes through. It is a safety device that halts surges of current that would otherwise damage equipment and cause fires. In explosives, a fuse is a cord impregnated with chemicals so that it burns slowly at a predetermined rate. It is used to set off a main explosive charge, sufficient length of fuse being left to allow the person lighting it to get away to safety. In an electrical fuse, current flow converts electrical energy into heat energy, increasing the temperature of the fuse material. As more current flows, the temperature of the material rises; at a certain current the material melts, thus interrupting the current flow. Different types of electrical equipment require differently-rated fuses depending upon how much current can flow without damaging the equipment. For example, some equipment requires a 13 amp fuse and some a 3 amp fuse. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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Egide Signs a 5 Year Agreement to Supply the American Defense Program Textron System's Sensor Fuzed Weapon System Naval Surface Warfare Center for the production and delivery of 57mm pre-fragmented, programmable, proximity fuzed (3P) rounds and corresponding Mk 295 MOD 0 cartridges, amps and 57mm Mk 8 clips. At FIA, Textron Systems in combination with operating unit HR Textron, will exhibit precision strike weapons and ground and airborne surveillance systems, including the Sensor Fuzed Weapon, smart anti-armor weapon, and advanced customized hydraulic and electromechanical flight controls, systems and components for commercial and military aircraft. |
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