McqMate
| Q. |
In nuclear reactor, heavy water is used as – |
| A. | coolant |
| B. | fuel |
| C. | moderator |
| D. | atomic smasher |
| Answer» C. moderator | |
|
Explanation: Heavy water is used in certain types of nuclear reactors where it acts as a neutron moderator to slow down neutrons so that they are more likely to react with the fissile uranium-235 than with uranium-238 which captures neutrons without fissioning. Because they do not require uranium enrichment, heavy water reactors are of concern in regards to nuclear proliferation. |
|
View all MCQs in
PhysicsNo comments yet