A nuclear fission produces energy of following order in MeV___________________?

Related Mcqs:

1. In nuclear fission each neutron that causes fission releases_______________?

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

2. 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

3. 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

4. The total energy released in fission of U is__________________?

   A. 5 MeV
   B. 10 MeV
   C. 199 MeV
   D. 168 MeV
   E. 11 MeV

5. In a fission process, maximum %age of energy is released as___________________?

   A. kinetic energy of neutrons
   B. kinetic energy of fission products
   C. instantaneous release of gamma rays
   D. gradual readioactive decay of fission products
   E. none of the above

6. In triggering fission, the following types of neutrons are desirable_________________?

   A. fast moving
   B. slow moving
   C. critical neutrons
   D. neutrons at rest
   E. none of the above

7. 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

8. 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

9. 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

10. 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