A. no new neutron
B. at least one new neutron
C. one new neutron
D. more than one new neutrons
E. many-fold neutrons

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Related Mcqs:

  1. A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?
    A. same B. more C. less D. there is no such criterion E. none of the above...
  2. A nuclear fission produces energy of following order in MeV___________________?
    A. 20 B. 200 C. 2000 D. 20,000 E. 2 x 105...
  3. The energy required to be applied to a radioactive nucleus for the emission of a neutron is________________?
    A. 1 MeV B. 2.4 MeV C. 4.3 MeV D. 7.8 MeV E. 20 MeV...
  4. Ideally the neutron flux in reactor should be__________________ ?
    A. maximum in center and zero at side B. maximum at side and zero in center C. uniform throughout D. zero throughout E. none of the above...
  5. The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is__________________?
    A. higher cost of nuclear fuel B. high initial cost C. high heat rejection in condenser D. lower temperature and pressure condi-tions E. nuclear hazard risk...
  6. The most practical fuel for a thermo-nuclear reactor, both from econocical and nuclear consideration is____________________?
    A. plutonium B. uranium C. deuterium D. thorium E. lithium...
  7. The total energy released in fission of U is__________________?
    A. 5 MeV B. 10 MeV C. 199 MeV D. 168 MeV E. 11 MeV...
  8. U238 will undergo fission by_________________?
    A. high energy (fast) neutrons alone B. low energy (slow) neutrons alone C. either fast or slow neutrons D. medium energy neutrons E. none of the above...
  9. A fission chain reaction in uranium can be developed by________________?
    A. slowing down fast neutrons so that Uz fission continues by slow motion neutrons B. accelerating fast neutrons C. absorbing all neutrons D. using moderator E. enriching U235...
  10. Each fission of U235 produces following number of fast neutrons per fission________________?
    A. 1 neutron B. 1 — neutrons C. 1 – 2 neutrons D. 2 — neutrons E. infinite...
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