Subject : Power Plant Engineering

Topic: Chap 5- Nuclear Power Plants

Difficulty: Medium

1. The major advantage of this reactor is that the fuel need not be enriched.
2. The reactor vessel may be built to withstand low pressure, therefore, the cost of the vessel is less
3. No control rods are required, therefore, control is much easier than other types.
4. The moderator can be kept at low temperature which increases its effectiveness in slowing down neutrons.
5. Heavy water being a very good moderator, this type of reactor has higher multiplication factor and low fuel consumption
6. A shorter period is required for the site construction compared with PWR and BWR.