How are control rods used in an emergency?

Related questions

1. What went wrong in the Chernobyl power plant 1986?
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3. How was the Chernobyl reactor flawed?
4. Is Hiroshima worth a day trip?
5. How do rods control the nuclear fission reaction?
6. What is control rod worth?
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8. Why do control rods absorb neutrons?
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Tags

1. #critical
2. #within
3. #power
4. #emergency
5. #reactor
6. #further
7. #causing
8. #neutrons
9. #state
10. #fissions
11. #system
12. #fission
13. #constitute
14. #subcritical
15. #control
16. #nuclear
17. #desired
18. #absorbing
19. #reactions
20. #prevents
21. #maintaining
22. #changes
23. #scram
24. #component
25. #shutdown