The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?

Related Mcqs:

1. If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?

   A. Fission reaction
   B. Fusion reaction
   C. Chain reaction
   D. Chemical reaction

2. The energy liberated when one atom of U-235 undergoes fission reaction is________________?

   A. 200MeV
   B. 40MeV
   C. 30MeV
   D. 20MeV

3. Which of the following is used to control rods in nuclear fission?

   A. Graphite
   B. Heavy Water
   C. Cadmium
   D. All of these

   Submitted by: Munwar Ali Sohu

4. For chain reaction to build up the size of the radioactive target should be______________?

   A. Greater than the critical size
   B. Less than the critical size
   C. Equal to the critical size
   D. All of above can build up a change reaction

5. During the fission process a large amount of______________?

   A. Heat energy is released
   B. Nuclear energy is released
   C. Chemical energy is released
   D. Light energy is released

6. The__________branch of Physics deals with nuclear particles such as neutrons, protons and nuclear?

   A. Solid State Physics
   B. Plasma Physics
   C. structure is called
   D. Nuclear Physics
   E. Particle Physics

7. In fission process_______.

   A. massive nucleus join together
   B. massive nucleus splits to form smaller fragments
   C. both A & B
   D. None of these

   Submitted by: Muzammil Abbas

8. Ina liquid metal fast breeder reactor, the type of uranium used is______________?

   A. 92U235
   B. 92U238
   C. 92U234
   D. 92U239

9. Nuclear forces exist between ___________________?

   A. Proton-proton
   B. Proton-neutron
   C. Neutron-neutron
   D. All of the above

10. The maximum safe limit dose for persons working in a nuclear power station is ________________?

    A. 1 rem per week
    B. 5 rem per week
    C. 4 rem per week
    D. 3 rem per week