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Emergency core cooling systems (ECCS) are designed to safely shut down a nuclear reactor during accident conditions. The ECCS allows the plant to respond to a variety of accident conditions (e.g. LOCAs) and additionally introduce redundancy so that the plant can be shut down even with one or more subsystem failures. In most plants, ECCS is ...
A P226 with breech closed (top) and opened (bottom). On the bottom view, the slide is locked in place by the slide stop.. A slide stop, sometimes referred to as a slide lock, slide release, slide catch, [1] or bolt hold open, is a function on a semi-automatic handgun that both visually indicates when it has expended all loaded ammunition and facilitates faster reloading by pulling back the ...
The safety shutdown system shall shut down the facilities to a safe state in case of an emergency situation, thus protecting personnel, the environment and the asset. The safety shutdown system shall manage all inputs and outputs relative to emergency shutdown (ESD) functions (environment and personnel protection).
2. Click the Select the duration drop-down menu, and then click Until system restart. 3. Click OK. Using the Programs menu 1. Click Start, select All Programs or Programs, select Norton Internet Security, and then click Norton Internet Security. Note: If you are using Windows 8, move your mouse to the top right of your desktop and then click on ...
The Reactor Protection System (RPS) is a system, computerized in later BWR models, that is designed to automatically, rapidly, and completely shut down and make safe the Nuclear Steam Supply System (NSSS – the reactor pressure vessel, pumps, and water/steam piping within the containment) if some event occurs that could result in inadvertant criticality.
The sliding action is perpendicular to the axis of the barrel. When the breechblock slides down to expose the breech, it is referred to as a falling-block, as used in the Sharps rifle. A sliding block is common in artillery. A vertical sliding block rises and falls while a horizontal sliding block slides to one side. It is a strong design.
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SCRAM button at the Experimental Breeder Reactor I in Idaho. Sometimes the switch will have a flip cover to prevent inadvertent operation. A scram or SCRAM is an emergency shutdown of a nuclear reactor effected by immediately terminating the fission reaction.