Emergency shut-down
What Emergency shut-down means in Physics A-Level, as defined for AQA.
Definition of Emergency shut-down
Check what you remember
Read the wording for your board, then hide it and explain Emergency shut-down in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Rapidly inserts control rods or injects a neutron absorber such as boron to reduce the neutron population and stop the chain reaction.
Topics that use Emergency shut-down
- Safety aspects (A-level only) (AQA A-Level)
Related terms
Using Emergency shut-down in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge