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Reply #96: thats not technically correct. [View All]

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Sirveri Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Dec-04-09 05:09 AM
Response to Reply #92
96. thats not technically correct.
It is correct for pretty much all PWR style reactors, however BWR style reactors have a moisture seperator above the core, meaning that the rods have to come in from the bottom. Rod control in a BWR plant is general accomplished by differntial pressure across the control rod. There are other backup systems, I believe having to do with the charging pumps, as well as the standard borated water failsafe. Also the rods in a PWR are primarily assisted by a large scram spring which inserts the rods into the core in less than a second. As for terrorists getting into a nuclear control room... They would need an army of troops. The one control room I went to had bank safe doors that formed an airlock and 1 foot thick concrete walls, good luck getting inside that. Of course before you get there you have to get past the anti-vehicle wall, the two 15 ft high fences topped with barbed wire, and the multiple watch towers. In addition to the large number of security personel with assault rifles.
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