Advertisements
Advertisements
प्रश्न
What safety measures and needed in a nuclear power plant?
उत्तर
(i) The nuclear power plant must be shielded with lead and steel walls so as to stop radiations from escaping out to the environment during its normal operations.
(ii) The nuclear power plant must be housed in an airtight building of strong concrete structure which can withstand earthquakes, fires and explosions.
(iii) There must be a back up of cooling system for the reactor core, so that in case of failure of one system, the other system could take it place.
APPEARS IN
संबंधित प्रश्न
What are the advantages of nuclear energy?
One of the following is not a characteristic of a good fuel. This is:
(a) high calorific value
(b) no emission of smoke
(c) smooth burning
(d) high ignition temperature
State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.
If 25 atomic mass units (u) of a radioactive material are destroyed in a nuclear reaction, how much energy is released in MeV?
State the disadvantages of nuclear energy.
A nuclear reaction is represented by the following equation:
`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`
What does E represent?
The mass numbers of four elements A, B, C and D are 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make:
a hydrogen bomb?
Explain, why nuclear fusion is not being used to meet day to day energy needs.
Define.
Nuclear fission
Which is the process used to harness nuclear energy these days? Explain it briefly.
