Research reactors are normally meant for_____________________?

Related Mcqs:

1. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about _____________ percent?

   A. 85
   B. 50
   C. 3
   D. 97

2. Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of ____________ percent of U-235 (i.e. fissile material)?

   A. 15
   B. 45
   C. 65
   D. 85

3. Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of___________________?

   A. High carbon steel
   B. Molybdenum
   C. Zircaloy
   D. Boron or cadmium

4. Which of the following types of nuclear reactors is most prone to radioactive hazards ?

   A. Pressurised water reactor
   B. Gas cooled reactor
   C. Molten sodium cooled reactor
   D. Boiling water reactor

5. Fast breeder reactors do not____________________?

   A. Use Th-232 as fissile fuel
   B. Convert fertile material to fissile material
   C. Use fast neutrons for fission
   D. Use molten sodium as coolant

6. Thermal shield is used in high powered nuclear reactors to__________________?

   A. Protect the walls of the reactor from radiation damage
   B. Absorb the fast neutrons
   C. Slow down the secondary neutrons
   D. Protect the fuel element from coming in contact with the coolant

7. Which is the most commonly used molten metal for cooling of nuclear reactors ?

   A. Calcium
   B. Sodium
   C. Mercury
   D. Zinc

8. Which of the following reactors is operated at high neutron flux and low power level ?

   A. Breeder reactor
   B. Research reactor
   C. Heterogeneous reactor
   D. Liquid metal (e.g., molten sodium) cooled reactor

9. Fast breeder reactors are most usable in India, because of our largest _____________ deposits?

   A. Thorium
   B. Plutonium
   C. Uranium
   D. None of these

10. Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _____________________?

    A. Melting point, hence can be subjected to higher temperature
    B. Density; hence core volume for a given power output would be smaller
    C. Resistance to effects of irradiation
    D. All A., B. and C.