State the term nuclear fuel. Also state its properties.

1 Answer

Answer :

The term nuclear fuel:- Nuclear fuel is a substance that is used in nuclear power stations to produce heat to power turbines. Heat is created when nuclear fuel undergoes nuclear fission.

OR 

Nuclear fuel is in the from of rod kept in core. It produces heat energy during fission process. Following nuclear fuel are used in nuclear power palnt:- 

1. Natural Uranium 

2. Low –enriched Uranium 

3. Highly –enriched Uranium 

4. Fertile Material:- U 238 / Th232

Properties:- 1. Nuclear fuel has the highest energy density 2. Nuclear fuels contain heavy fissile elements 3. Nuclear fuels are complex, multi-component materials containing actinides

Related questions

Description : State properties of conductor material used for overhead conductor. 

Last Answer : Following are the properties of conductor material:-   1. High conductivity :- Material should have high conductivity 2. High mechanical strength:- Material should have sufficiently high mechanical strength ... available & less costly. 9. Scrap Value: - Material should have high scrap value. 

Description : State any four properties of conducting materials.

Last Answer : Electrical properties of conductivity materials: i) Low resistivity. ii) Low temperature coefficient of resistance. iii) High conductivity. iv) Low heat dissipation.  Mechanical properties of ... properties of conductivity materials: i) Adequate resistant to corrosion. ii) Low oxidation. 

Description : Explain the suitability of aluminium as an electrical conductor with respect to its mechanical and electrical properties. 

Last Answer : Following are requirements of conductor:- i) High conductivity :  Material should have high conductivity, So that * cross section of conductor (size) reduces, * Copper losses reduces, * So Efficiency ... . Boiling point is 1820°C 9. Specific gravity is 2.7 10. High resistance to corrosion. 

Description : Explain the mechanical properties of insulating materials.

Last Answer : i) Mechanical strength: Mechanical strength depends on temperature and humidity. a) Temperature: High temperature badly affects the mechanical strength of insulating material. While selecting material ... material should have property of easy moulding and machined into required shape and size.

Description : State properties of ultrasonic waves.

Last Answer : i) Frequency of these sound waves is more than 20kHz ii) Shorter wavelength iii) They carry high amount of sound energy iv) The speed of propagation of ultrasonic waves increases with increase in ... . x) Posses certain vibrations which are used as good massage action in case of muscular pain. 

Description : How can I access my desktop options in Properties/Display?

Last Answer : Start /Control Panel/ Display/ Desktop tab.

Description : List the properties of line insulators in brief

Last Answer : Following are the properties of line insulators:  A) Electrical Properties of insulating material:- 1. It should have high resistance. 2. It should have high breakdown voltage. 3. It should have high ... of insulating material:- 1. It should have longer life. 2. It should have low cost

Description : Explain any four properties of Moulding sand. 

Last Answer : 1. Porosity: Molten metal always contain a certain amount of dissolved gases, which are evolved when the metal freezes the molten metal coming in contact with the moist sand , generates steam or ... to the casting. Refractoriness is measured by the sinter point of the sand rather than its melting

Description : The desirable properties of transformer core material are  (1) low permeability and low hysteresis loss. (2) high permeability and high hysteresis loss. (3) high permeability and low hysteresis loss. (4) low permeability and hysteresis loss.

Last Answer : The desirable properties of transformer core material are high permeability and low hysteresis loss.

Description : State the functions of fuel system and exhaust system of a diesel power station.

Last Answer : Fuel system: It supplies fuel to engine for combustion purpose. It consists of Fuel Pump: - It supplies fuel to engine for combustion purpose. Strainer: - Are provided to remove suspended impurities and ... most of the noise. Chimney:- To exhaust gases in the atmosphere as high as possible. 

Description : Explain fuel system and air intake system in diesel electric power plant.

Last Answer : Fuel system and air intake system in diesel electric power plant :  Fuel system: It consists of storage tank, strainers, fuel transfer pump and all day fuel tank. The fuel oil is supplied ... Filters are provided to remove dust particles from air which may act as abrasive in the engine cylinder.

Description : In fuel cell the __________ energy is converted into electrical energy.  (A) Mechanical (B) Chemical (C) Heat (D) Sound

Last Answer : In fuel cell the Chemical energy is converted into electrical energy. 

Description : State the function of biological shielding in case of Nuclear Reactor and give material used for it.

Last Answer : Function of biological shielding in Nuclear Reactor:  Shielding is provided to absorb alpha, beta particles and gama rays which are produced during nuclear chain reaction (fission process) The ... of Water or concrete wall are provided all around the reactor vessel for stopping neutrons. 

Description : State the function of following components of a nuclear power station: i) Moderator ii) Shielding iii) Control rod iv) Coolant 

Last Answer : i) Function of Moderator :- Moderator is to moderate or reduce the speed of fast neutron to help the fission process.  ii) Function of sheilding : Shielding is to protect environment, ... from reactor core and transfer it in heat exchanger for producing steam at high pressure and temperature. 

Description : State the types of radioactive waste generated in a nuclear power station. Explain the methods employed for their disposal.

Last Answer : Types of radioactive waste: The waste produced in nuclear power plant is in the form of solid, liquid & gases, 1. Solid Waste Disposal:-  Solid wastes removed from the reactor are very ... are measured. If it is safe then released to atmosphere at high level through large height chimney.

Description : State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant. 

Last Answer : 1. Because of following points Nuclear power plant used as base load power plant:-  1. Nuclear power plants is very economical for producing bulk amount of electric power 2. Nuclear power plant is reliable ... . The plants can be put on load easily. 4. Diesel engines take less time to make OFF.

Description : State any two advantages and two disadvantages of nuclear power plant.

Last Answer : Disadvantages of Nuclear Power Plant: -   1. The capital cost of Nuclear power plant is very high as compare to other power plant of same capacity. 2. The erection & ... material could be released into the environment. Causing extensive damage to the mankind,animals and environment.

Description : State any four factors for selecting location of nuclear power plant.

Last Answer : i) Seismicity: If the area of a nuclear site is seismically active, it may not be used for nuclear power plant.  ii) Water Availability: The nuclear power plants would need a ... Therefore, the site selected for such plant should have adequate arrangement for the disposal of radioactive waste.

Last Answer : Explanation of 'Nuclear shielding' in Nuclear Power Plant:  Shielding is provided to absorb alpha, beta particles and gama rays which are produced during nuclear chain reaction (fission process) The ... of Water or concerate wall are provided all around the reactor vessel for stopping neutrons.  

Description : Compare the Nuclear power station with Hydro power station. 

Last Answer : SR. No.  Points Nuclear Power plant  Hydro Power station  1 Site/ Location Where there is ample supply of water is available, away from thickly populated areas to avoid radioactive ... Field Application As base load  Used as base load during as well as peak load 

Description : Explain the procedure adopted for the disposal of Nuclear Waste.  

Last Answer : Following the procedure adopted for the disposal of Nuclear Waste:  Nuclear waste disposal in nuclear power station: The waste produced in nuclear power plant is in the form of solid, liquid & ... . If it is safe then released to atmosphere at high level through large height chimney. 

Description : What is meant by nuclear Fission ? 

Last Answer : Nuclear Fission:- The process in which heat energy is released without using oxygen for combustion in process is known as nuclear Fission.  

Description : How are nuclear reactors controlled? Explain two different methods in brief.

Last Answer : Nuclear reactor is controlled using control rods: Control rods are made up of very high neutron absorbing material like boron, cadmium. By adjusting height of control rods on reactor core ... of nuclear reaction will increase. Whereas by pushing control rod towards the core it will reduce.

Description : Explain the purpose of shielding and reflector in a nuclear reactor.

Last Answer : 1. Shielding:-  The function of sheilding is to protect environment, humens and animals from the harmful radioactive radiation (pollution).before they are emitted to atmosphere. Shilding is provided to ... :- The function of reflector is to reflect back the neutrons which are leaving from core.

Description : Explain the nuclear chain reaction in a nuclear power plant.

Last Answer : Nuclear chain reaction in a nuclear power plant: If a slow moving neutron hits unstable heavy nucleus of nuclear fuel U235 or Pu239 , the neutron is absorbed, the nucleus splits into two more ... chain reaction can be controlled and desired heat energy can be obtained in nuclear power plant. 

Description : Explain the procedure for disposal of nuclear power plant.

Last Answer : Disposal of nuclear waste: The waste products by nuclear fission may be solid, liquid or gas. i) Solid harmful disposals are packaged as required and shipped to a burial site for disposal. ii) Liquids ... and tested. If the required limits are met, these will be released to atmosphere. 

Description : Write down any two advantages of nuclear power station.

Last Answer : Advantages of nuclear power station :-  1) Fuel required: Fuel requirment of Nuclear Power Plant is less than Thermal Power Plant. So it reduces transportation cost of fuel and space required for fuel storage ... By use of nuclear fuel.,it saves the other fossile fuels like-coal, gas, oil, etc.

Description : Write function of control rods in nuclear power plant.

Last Answer : Function of control rods in nuclear power plant: The function of control rod is to control the chain reaction in reactor core by adjusting its height.

Description : Marine Fuel Pumps

Last Answer : While shopping for a fuel pump for your boat, you might be surprised that automobile fuel pumps as well as marine fuel pumps are being sold for boats. Actually, mechanical and electrical fuel ... and that you are following coast guard rules and regulations, always use marine parts for your boat.

Description : Fuel Oil Filters

Last Answer : You may not think much of the shelf lined with fuel filters at your local auto parts and supply store, but it is one of the most important parts of your engine. Some people don't pay much ... worries. If you're interested reading this article, might as well read how to replace an oil filter.

Description : How to Install a New Fuel Tank

Last Answer : How to Install a New Fuel Tank Fuel tanks can wear out over time, developing leaks or even being punctured. What you need to do now is replace the fuel tank. Although a mechanic can do this easily for ... new one? Just follow these easy steps and you'll get this in no time. Remember, safety first!

Description : How to Change a Fuel Injector

Last Answer : How to Change a Fuel Injector Is your engine flooded with gas and your motor sputtering? It might be because your fuel injector is dirty or plugged up. Although it's not a very common dilemma ... arises, do not neglect this simple maintenance trick. Otherwise, you'll expect plenty of problems soon.

Description : Marine Fuel Pumps

Last Answer : While shopping for a fuel pump for your boat, you might be surprised that automobile fuel pumps as well as marine fuel pumps are being sold for boats. Actually, mechanical and electrical fuel ... and that you are following coast guard rules and regulations, always use marine parts for your boat.

Description : Fuel Transfer Pumps

Last Answer : A fuel transfer pump is used to move fuel from one container to another. These pumps are used to fuel cars, planes, agricultural equipment and other devices. They are typically used to transfer diesel and ... for quicker fueling. These models may cost more, but they will make your job a lot easier.

Description : Fuel Pump Relay

Last Answer : Some car owners immediately suspect a fuel pump failure when their cars stall. However, there are many other engine problems that may resemble a fuel pump failure, such as restricted fuel filters, smashed ... advisable to bring your car to the repair shop so that the whole engine can be checked.

Description : Fuel Pump Problems

Last Answer : Fuel pump problems are usually caused by running a car for extended periods of time on a tank that is almost empty. This causes the fuel pump to run dry, which eventually damages the pump. Another cause ... your car to stall, bring it to the repair shop so professionals can have a look at it.

Description : Fuel Pump Operation

Last Answer : Most people know that their cars have fuel pumps, but they don't really know how they operate. Some even pay attention to their fuel pumps only when they have already malfunctioned. It is important ... check your fuel pump for any problems because a defective pump can be dangerous while on the road.

Description : Fuel Pump Failure

Last Answer : Is your car having acceleration problems? Has there been an occasion when your car simply sputtered and died while on the road? If your answer is yes, then you may want to check your car for fuel pump ... a fuel pump is to take your car to a repair shop where professionals can do it for you.

Description : Facet Fuel Pumps

Last Answer : Facet is a manufacturer of fuel pumps for cars, boats, planes, generators and other devices. The Facet brand is also sometimes called Purolator. Many people use Facet fuel pumps for their cars, although ... you are completely sure that a fuel pump brand is good should you purchase one for your car.

Description : Electric Fuel Pumps

Last Answer : There are two types of fuel pumps: mechanical and electric. Before fuel injectors became popular, most engines used mechanical fuel pumps. However, a common problem among these pumps is that fuel ... these improvements, pump failures that are common among cars today should be reduced in the future.

Description : Diesel Fuel Pumps

Last Answer : A diesel fuel pump, as the name suggests, is a pump for diesel engines. A diesel engine uses internal combustion to work. The pump is an essential component of the internal combustion process. The internal ... needs to be replaced because of damage, it is best to take the car to a repair shop.

Description : The Guide to Fuel Pumps

Last Answer : Ever wondered what a fuel pump is? A fuel pump is a basic component of a car and other devices with internal combustion engines that moves fuel from the fuel tank to the carburetor or fuel ... lubricate it to make it perform better. Maintaining the fuel pump will keep your vehicle running smoothly.

Description : What are fuel briquettes and what are their advantages?

Last Answer : What are fuel briquettes and what are their advantages? For quite a few years now, Eurowood (fuel briquettes) have been an irreplaceable and most economical type of fuel. Briquettes are made ... costs with sawdust briquettes are certainly much lower than when using coal or other types of firewood.

Description : Draw inline fuel injection pump. Name different components. 

Last Answer : inline fuel injection pump

Description : Graph indicating changes in pollutants level w.r.t air fuel ratio

Last Answer : Graph indicating changes in pollutants level w.r.t air fuel ratio

Description : Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load

Last Answer : i) Tariff: The rate at which a consumer is charged for the consumption of electricity is called as tariff. OR The amount of money framed by the supplier for the supply of electrical energy ... is the total wattage of all appliances which are used by the consumer on his sanctioned connection. 

Description : For optimum generator scheduling for different power plants, the minimum fuel cost is obtained when

Last Answer : For optimum generator scheduling for different power plants, the minimum fuel cost is obtained when The incremental fuel cost of each plant multiplied by the penalty factor is the same

Last Answer : Fuel other than natural gas i.e. solid and liquid fuels can be used in _______

Last Answer : In fossil fuel transportation cost is least.

Description : Why does America believe it's entitled to Nuclear Weapons & that certain other countries aren't?

Last Answer : Because we got em and we don’t want anyone else to have em. And if you don’t like it, we’ll nuke you’re sorry little ass country.