The molecular weight of heavy water is_________________?

Related Mcqs:

1. 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....

2. Percentage of heavy water in ordinary water is around__________________?

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

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

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

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. Heavy water has maximum density at ______________ °C ?

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

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

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

7. 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...

8. A pressurised water reactor (PWR) uses pressurised water as a___________________?

   A. Coolant B. Working fluid in power turbine C. Moderator D. None of these...

9. The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element ?

   A. A + Z B. A – Z C. A D. Z...

10. The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be ______________ of its original weight?

    A. 1/2 B. 1/4 C. 1/8 D. 1/16...