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Nuclear Reactors

Nuclear reactors are devices that maintain nuclear reactions. They are used in creating power and elements.

890 Questions

What does lower control rods result in?

Lowering control rods into a nuclear reactor results in reducing the number of nuclear fission reactions occurring in the reactor core. This process helps to regulate the power output of the reactor by absorbing neutrons and decreasing the rate of nuclear reactions.

The rate at which reactions occur in a nuclear reactor is regulated by?

The rate of reactions in a nuclear reactor is regulated by control rods made of materials like boron or cadmium, which absorb neutrons and help control the nuclear fission process. By adjusting the position of these control rods, operators can control the rate of reactions and the amount of heat produced in the reactor.

The chain reaction in a nuclear reactor is controlled by inserting what?

Control rods, made of materials like boron or cadmium, are inserted into the reactor core to absorb excess neutrons and regulate the nuclear chain reaction. By adjusting the position of these control rods, operators can control the rate of fission reactions and manage the amount of heat and energy produced in the reactor.

What is a packed bed reactor?

A packed bed reactor is a type of chemical reactor where a solid catalyst is packed into a tube or vessel, and reactants flow through this catalyst bed. The reaction occurs on the surface of the solid catalyst, allowing for efficient heat and mass transfer. Packed bed reactors are commonly used in industries for various catalytic reactions due to their high surface area and effectiveness in heterogeneous catalysis.

What happened at Three Mile Island is classified as a LOCA. What do those letters mean?

A LOCA is a loss of coolant accident. A rupture in the main coolant system resulting in a major leak of that coolant is a loss of coolant accident, or LOCA.

Does bosnia have any nuclear weapons?

No, Bosnia does not possess nuclear weapons. The country is a party to the Nuclear Non-Proliferation Treaty and does not have any known or declared nuclear weapons program.

What was the result of the three mile island accident?

Many Americans began to worry about nuclear power- Apex

What are used in nuclear reactors to absorb neautron6neutrons?

Control rods made of materials like boron or cadmium are used in nuclear reactors to absorb neutrons and help regulate the power level by controlling the rate of fission reactions. By adjusting the position of these control rods within the reactor core, operators can fine-tune the neutron flux and maintain safe and stable operation.

What In a nuclear reactor lowering control rods will result in .?

Lowering control rods into a nuclear reactor will absorb neutrons, reducing the rate of fission reactions and therefore decreasing the reactor's power output. This is a common method used to control and regulate the reactor's power level.

What are the number of neutrons available is a fission reactor adjusted by?

The number of neutrons available in a fission reactor is adjusted by controlling the rate of fission reactions through control rods. By inserting or removing control rods, operators can regulate the number of neutrons interacting with fuel atoms, which in turn affects the overall reaction rate and power output of the reactor.

How is a chain reaction in a nuclear reactor controlled?

A chain reaction in a nuclear reactor is controlled by inserting control rods made of materials like boron or cadmium into the reactor core. These control rods absorb neutrons and help regulate the rate of the chain reaction by adjusting the number of neutrons available to continue the reaction. By raising or lowering the control rods, operators can fine-tune the reaction to maintain desired power levels.

In a nuclear reactor lowering control rods will result?

In a nuclear reactor, lowering control rods will result in the absorption of more neutrons, which slows down the nuclear chain reaction. This leads to a decrease in the reactor's power output or can even shut down the reactor completely.

What are control rods are made of?

Control rods are typically made of materials such as cadmium, boron, or hafnium, as these elements have a high neutron absorption capacity. When control rods are inserted into a nuclear reactor core, they help regulate the nuclear reaction by absorbing excess neutrons and controlling the rate of fission.

In a nuclear reactor lowering control rods will result in?

Lowering control rods in a nuclear reactor will result in the absorption of neutrons, which decreases the rate of fission reactions happening in the reactor core. This leads to a decrease in heat production and ultimately reduces the power output of the reactor.

Losing control of the fission reaction in a reactor core may result in .?

a nuclear meltdown, which can lead to a release of radioactive materials into the environment and pose a serious threat to human health and the surrounding ecosystem. It can result in contamination of air, water, and soil, causing long-term environmental damage and requiring extensive cleanup efforts.

What in nuclear reactors to absorb neutrons?

Control rods, typically made of materials such as boron or cadmium, are used in nuclear reactors to absorb neutrons and regulate the nuclear reaction. By controlling the number of neutrons present, the rate of fission reactions can be managed to maintain a steady level of power generation.

Devices that absorb neutrons and are used to control the speed of a fission reactor are called .?

Control rods are devices that absorb neutrons and are used to control the speed of a fission reactor. By adjusting the position of the control rods within the reactor core, operators can regulate the rate of the nuclear chain reaction and manage the reactor's power output.

What element is converted to plutonium to make the first nuclear reactors?

Uranium-238 is converted to plutonium-239 in nuclear reactors by absorbing neutrons, which then undergo fission reactions. This conversion process is a key aspect of nuclear reactor operation, particularly in breeder reactors where new fuel is produced while generating energy.

How is the controlled release of nuclear energy in a reactor is accomplished by?

Controlled release of nuclear energy in a reactor is achieved by controlling the rate of nuclear fission reactions through the use of control rods. These control rods absorb neutrons, limiting the number available to initiate fission reactions. By adjusting the position of the control rods, the reactor's power output can be regulated to maintain safe and efficient operation.

How can you obtain energy from nuclear fission?

AS THE world prepares for the largest investment in nuclear power in decades, owners of uranium mines last week raised the prospect of fuel shortages. To make things worse, the reliability of estimates of the amount of uranium that can be economically mined has also been questioned.Volatile oil and gas prices, along with the threat of global warming, have pushed governments to reconsider nuclear energy, partly because it is a low-carbon technology and partly because uranium supplies seem plentiful.Mined uranium caters for about 60 per cent of the global demand for nuclear fuel. The rest comes from secondary sources, including stockpiles left over from the 1970s and 1980s, reprocessed fuel and the conversion of old Russian nuclear warheads - the so-called Megatons to Megawatts programme.But the supply may not be as secure as first thought. The price of uranium has plummeted from a peak of around $130 per pound of uranium oxide ($286 per kilogram) in 2007 to $45 today(see graph). Some of this decline is due to slumping fossil fuel prices and some from the uncertainty surrounding the industry.

How can you clean tritium gun sites so they work?

How old are they? If they are about 25 years old or more they will probably be very dim and should be replaced. The halflife of Tritium is only 12.26 years, so after 25 years their brightness would be about 1/4 of what it was new.

If they are less than 6 years old and not working right they are defective or broken, the tritium has probably escaped.

Either way there is nothing to clean that would help.

Getting a replacement Tritium ampule that fits may be difficult and/or expensive as the US has no dedicated Tritium production reactors since the shutdown of the Savanna River site in the 1990s.

The poison released by the meltdown of a nuclear reactor in Ukraine was?

Fission products and unused fuel were lofted by the smoke of the burning graphite moderator. This fell back down as fallout (not much different from fission bomb fallout, although no nuclear explosion was involved).

What is the main danger in a nuclear reactor meltdown?

The primary danger in a nuclear meltdown is associated with the release of large quantities of high level radioactive material into the environment. This radioactive stuff can sicken people or even kill them, and can render large areas of the countryside uninhabitable. The toll on human life and the economic damage can soar beyond the comprehension of most.