A. increased production of neutrons
B. complete absorption of neutrons
C. controlled production of neutrons
D. decreased leakage of neutrons
E. decrease of speed of neutrons

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Related Mcqs:

  1. Reflector in nuclear plants is used to________________?
    A. return the neutrons back into the core B. shield the radioactivity completely C. check polllution D. conserve energy E. is not used...
  2. The fuel needed, with reflector in nuclear power plant, in order to generate sufficient neutrons to sustain a chain reaction, would be________________?
    A. more B. less C. same D. zero E. negative, i.e. fuel would be generated...
  3. 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...
  4. The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is________________?
    A. same B. more C. less D. may be less or mote depending on size E. unpredictable...
  5. 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...
  6. Moderator in nuclear plants is used to__________________?
    A. reduce temperature B. extract heat from nuclear reaction C. control the reaction D. cause collision with the fast moving neutrons to reduce their speed E. moderate the radioactive pollution...
  7. The most commonly used moderator in nuclear plants is___________________?
    A. heavy water B. concrete and bricks C. graphite and concrete D. deutrium E. graphite...
  8. The function of control rods in nuclear plants is to__________________?
    A. control temperature B. control readioactive pollution C. control absorption of neutron D. control fuel consumption E. none of the above...
  9. The nuclear power plant at Tarapur has the following reactor________________?
    A. fast breeder B. pressurised water C. boiling water D. sodium graphite E. none of the above...
  10. 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...
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