Which of the following is a moderating material used in nuclear reactor ?

Related Mcqs:

1. Moderating material used in a thermal-reactor should be a ____________________?

   A. Good absorber of neutrons B. Solid substance C. Poor absorber of neutrons D. None of these...

2. Which of the following is not a good moderating material ?

   A. Concrete B. Boron C. 18/8 stainless steel D. All A., B. and C....

3. A thermal nuclear reactor compared to a fast breeder reactor ?

   A. Uses slower neutrons for fission B. Uses faster neutrons for fission C. Gives higher power density D. Requires less fuel to run at the same power level...

4. Candu reactor is a ______________ nuclear reactor?

   A. Natural uranium fuelled heavy water cooled & moderated B. Highly enriched uranium (85% U-235) fuelled C. Homogeneous D. Fast breeder...

5. Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?

   A. Deuterium and tritium B. U-233 C. Thorium D. Heavy water...

6. Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor ?

   A. Molten sodium cooled B. CO2 gas cooled C. Pressurised water D. Boiling water...

7. Which of the following is not used as a moderator in nuclear reactor ?

   A. Molten sodium B. Light water C. Beryllium D. Boron hydride...

8. Nuclear fuel usually used in a Boiling Water Reactor (BWR) is__________________?

   A. Plutonium B. Enriched uranium C. Natural uranium D. Thorium...

9. Heavy water (D2O) in a nuclear reactor serves as a_______________?

   A. Coolant B. Moderator C. Both A. & B. D. Neutron absorber...

10. Thorium-232 is converted into uranium-233 in a/an ______________ nuclear reactor?

    A. Thermal B. Fast breeder C. Heavy water moderated D. Enriched uranium...