Percentage of heavy water in ordinary water is around__________________?

Related Mcqs:

1. Percentage of the heavy water in ordinary water is around ____________________?

   A. 0.015 B. 7.54 C. 0.71 D. 32.97...

2. Heavy water is preferred over ordinary water as a coolant, because it?

   A. Acts both as an efficient coolant as well as a moderator B. Can be heated to a higher temperature without pressurizing C. Is less prone to radiation damage D. All A., B. and C....

3. Percentage of U-238 in natural uranium is around__________________?

   A. 0.71 B. 99.29 C. 0.015 D. 29.71...

4. Heavy water used in the nuclear reactors to slow down the speed of neutrons is __________________?

   A. Highly purified water B. A compound of oxygen and deuterium C. Water having dissolved salts of heavy metals D. None of these...

5. The molecular weight of heavy water is_________________?

   A. 10 B. 18 C. 20 D. 36...

6. Heavy water has maximum density at ______________ °C ?

   A. 4 B. 11.6 C. 0 D. 18.6...

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

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

8. Heavy water is used as a moderator in a _____________________?

   A. Pressurised water reactor (PWR) B. Boiling water reactor (BWR) C. Candu reactor D. Molten sodium cooled reactor...

9. Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?

   A. 32 B. 52 C. 72 D. 88...

10. Ordinary water is not used as a moderator because, it___________________?

    A. Has a low absorption cross-section B. Has a low scattering cross-section C. Absorbs neutrons D. Does not absorb neutrons...