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What are uses for plutonium chloride?
Now only laboratory/research use; in the past plutonium chloride was proposed as nuclear furel in a molten salts type nuclear reactor.
What single scientific invention do you think now is most important?
the nuclear reactor and antimatter wich we can get almost infinite energy
How many engines submarine have?
Most submarines now have a single nuclear reactor. Some smaller, coastal submarines have a single diesel.
What are the advantages and disadvantages in having a natural nuclear reactor?
natural nuclear reactors are not possible now as the concentration of fissionable Uranium-235 in unenriched natural Uranium ore is too low.
Does nuclear energy create a lot of power?
Reactors now can provide up to 1500 MWe per reactor, so it is quite a lot.
What is the Calorific value of nuclear energy?
The thermal output of a nuclear reactor is usually quoted in Megawatts(th) to distinguish it from the electrical power output in MWe. For a large PWR of output 1500 MWe, the thermal output of the reactor will be about 4500 MWth. Now 1 calorie = 4.2 Joules, so this power represents 1070 x 106 calories/sec
What is hanford nuclear reactor?
They were the first plutonium production reactors built in the world. They are all shut down now and most dismantled. The first one operated, "B" reactor is now a national historic site and open for limited public tours. However parts of the site that one must pass to get to "B" reactor are still classified zones and no cameras or recording devices are allowed on tour (not even cell phones).
What other fuel can be used in a nuclear reactor other than uranium?
Now, only plutonium; thorium is a fertile material and other transuranic elements as neptunium are in small quantities.
What is the cost to build a nuclear powerplant in the year of 2010?
The first new nuclear powerplant in 30 years in the United States has now been authorized for construction. Current estimates are that a typical 1 MW new-generation reactor will end up costing about $5 billion. This includes a large amount for regulatory compliance and other administrative costs not specifically related to building the actual reactor (estimates are that the actual construction cost of the reactor is only about 60% of that price).
How does nuclear produce energy?
Nuclear energy appears as heat (after all, if it wasn't moderated it would explode). Now you have a heat source to drive steam turbines to deliver electricity, just like a coal-fired power station.
What can break a nuclear reactor?
A severe earthquake, or perhaps a direct strike by a large aircraft, but these risks are now allowed for in design. Of course you can't test directly to see if the design measures are sufficient. A direct hit by a nuclear weapon could do some damage too.
How is nuclear pollution caused?
It can be caused by reactor accidents that release radioactivity, like the Chernobyl disaster. Fortunately that type of incident is most unlikely with the US and EU designs of reactors. It can also be caused by nuclear weapon tests in the atmosphere, but these are now banned by international agreement
