WorksheetsNuclear Lifecycle 8
Total questions: 10
Worksheet time: 6mins
Which of these are reasons to decommission a nuclear facility?
Political decision
Economical reasons
Following an accident
Public perception
What is the most common decommissioning option in the USA?
Immediate dismantling (decon)
Deferred dismantling (safstor)
Entombment
None
What is the main advantage of deferred dismantling?
To allow radioactivity to decay
To save money
To use workers from the facility
To ensure there are no changes to legislation
How many reactors have been entombed?
3
4
5
6
How is decommissioning funded? (select all that apply)
Prepayment into a a dedicated account
Sinking fund on electricity rates to consumers
Insurance
By the government
Which was the first power station in the UK to be decommissioned?
Berkeley
Sizewell
Dungeness
Heysham
Why are Magnox and AGR reactors expensive to decommission?
They are old
They use graphite
They are very large
They are gas cooled
Why is graphite difficult to decommission?
It takes up a lot of space
It contains C-14 as an irradiation product
It can't be recycled
It burns too easily
What is the main barrier for recycling materials from decommissioned nuclear facilities?
Public acceptance
Cost
Restrictions on release limits
Lack of facilities
Where is the UK's metal recycling facility?
Drigg in Cumbria
Hinckley Point in Somerset
Lillyhall in Cumbria
Westinghouse in Lancashire
