One gram of uranium will produce energy equivalent to approximately____________________?

Related Mcqs:

1. Enriched uranium is one in which__________________?

   A. %age of U235 has been artificially in-creased
   B. %age of U has been artificially increased
   C. %age of U234 has been artificially in-creased
   D. extra energy is pumped from outside
   E. all impurities have been removed

2. Enriched uranium may contain fissionable contents of the order of__________________?

   A. 1-99%
   B. 1-25%
   C. 1-50%
   D. 1-75%
   E. 1-90%.

3. Natural uranium is made up of__________________?

   A. 99.282% U238, 0.712% U235, 0.006% U234
   B. 99.282% U235, 0.712% U238, 0.06%’ U234
   C. 99.282% U234, 0.712% U238, 0.006% U235
   D. 99.282% U235, 0.712% U234, 0.006% U238
   E. none of the above

4. Uranium-233 is produced__________________?

   A. as basic raw material
   B. by neutron irradiation of Uz
   C. by neutron irradiation of thorium
   D. artificially
   E. in high capacity furnaces

5. 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

6. 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

7. In order to have constant clain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be________________?

   A. greater than 1.0
   B. less than 1.0
   C. equal to zero
   D. equal to 1.0
   E. equal to infinity

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

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

9. 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

10. The energy produced by a thermal reactor of same size as a breeder reactor is__________________?

    A. almost same
    B. slightly more
    C. slightly less
    D. much less
    E. much more.