| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.SL.TZ1.27 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 27 | Adapted from | N/A |
Question
Which of the following correctly describes both the role of the moderator and of the control rods in a nuclear reactor?
Markscheme
A
Examiners report
Only in certain reactors does the moderator also have the role of cooling the reactor down. The best answer is therefore A.
Syllabus sections
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