which of the following is not a component of nuclear power plant?
a. control rods
b. gas turbine
c. steam turbine
d. condenser
Answers
Answer:
Penstoke is not used in nuclear power plant.
Explanation:
A nuclear power plant (NPP)[1] is a thermal power station in which the heat source is a nuclear reactor. As is typical of thermal power stations, heat is used to generate steam that drives a steam turbine connected to a generator that produces electricity. As of 2022, the International Atomic Energy Agency reported there were 422 nuclear power reactors in operation in 32 countries around the world, and 57 nuclear power reactors under construction.[2][3]
Nuclear plants are very often used for base load since their operations, maintenance, and fuel costs are at the lower end of the spectrum of costs.[4] However, building a nuclear power plant often spans five to ten years, which can accrue to significant financial costs, depending on how the initial investments are financed.[5]
Nuclear power plants have a carbon footprint comparable to that of renewable energy such as solar farms and wind farms,[6][7] and much lower than fossil fuels such as natural gas and brown coal. Despite some spectacular catastrophes, nuclear power plants are among the safest mode of electricity generation,[8] comparable to solar and wind power plants.
The conversion to electrical energy takes place indirectly, as in conventional thermal power stations. The fission in a nuclear reactor heats the reactor coolant. The coolant may be water or gas, or even liquid metal, depending on the type of reactor. The reactor coolant then goes to a steam generator and heats water to produce steam. The pressurized steam is then usually fed to a multi-stage steam turbine. After the steam turbine has expanded and partially condensed the steam, the remaining vapor is condensed in a condenser. The condenser is a heat exchanger which is connected to a secondary side such as a river or a cooling tower. The water is then pumped back into the steam generator and the cycle begins again. The water-steam cycle corresponds to the Rankine cycle.
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