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Being unmanned is an unrealistic scenario for a nuclear power plant.
That said, most facilities will run somewhat automatically by themselves because the reactor is self regulating, having a negative temperature coefficient in the design of the moderator used to regulate reactivity.
However, if an unexpected event occurs, or the plant trends outside of operating limits, it will shut down automatically.
I cannot answer for all reactors, but most reactors in the US are designed to be fully automatic on shutdown for the first ten minutes. In fact, there is a "hands-off" policy during that time, override only allowed during clear malfunction, which gives the operators time to assess what happened and to plan what to do next.
Again, being unmanned is an unrealistic scenario for a nuclear power plant.
What else can I help you with?
Moscow has the worlds most what?
nuclear weapons
What was the codename for the worlds first nuclear explosion?
Trinity
What country had the worlds worst nuclear disaster?
chernobyl?
Why do some not agree with Japan building and using nuclear power plants?
Some people do not agree with Japan building and using nuclear power plants because twenty percent of the worlds earthquakes occur in Japan which causes dangers for the people living in Japan.
How much of the uk's power is generated by nuclear power?
20% of the worlds power is generated by nuclear power
What percent of the worlds commercial power is nuclear?
4-5%
What are the three countries that produce half of the worlds nuclear electricity?
france
Where do you find the worlds first nuclear power station?
EBR-1 in Idaho
How did the Manhattan project revolutionize warfare?
With the creation of the worlds first nuclear weapons.
Who invented nuclear power plants?
Leo Szilard invented nuclear reactors in 1933 and patented the idea in 1934 (GB630726) however for many reasons nothing could be done with the idea until after World War 2.EBR-1 in the United States was one of the first experimental nuclear power plants. On December 21, 1951 it produced enough power to light the whole building.The worlds first nuclear power plant became operational on June 27, 1954 Obninsk Russia just outside Moscow.
What happens when adventure quest worlds logs off?
AQW really never would log off, but sometimes they shutdown about 7 severs or more or less
Where was the worlds worst nuclear explosion?
I'm not sure but the strongest bomb is the hydrogen bomb
