Nuclear Flashcards

1
Q

What was support like for Labour’s 2008 plan to replace existing nuclear stations with new builds?

A

more people supported than objected

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2
Q

What has happened to nuclear support in the past 10yrs?

A

10% increase

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3
Q

What remains the biggest issue for the public in relation to nuclear?

A

waste disposal

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4
Q

What is notable about nuclear employment?

A

ranked highest for job creation and investment out of all energy sources

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5
Q

What was Germany’s reaction to Fukushima?

A

Germany began accelerating phasing out all of its 17 reactors

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6
Q

What is nuclear in terms of reliability?

A

regarded as most reliable source of energy

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7
Q

What is a physical limitation of nuclear power?

A

very few

although can be damaged in Earthquake zones
e.g Japan’s 2011 EQ and Tsunami damaged Fukushima

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8
Q

What was Japan originally going to do to nuclear capacity prior to Fukushima?

A

increase it by 50%

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9
Q

Disadvantages economic of nuclear;

A
  • most uranium supply concentrated with a few foreign companies (mainly in Australia)
  • costs of decommissioning / safety / insurance very high
  • foreign companies needed to build reactors in UK due to lack of skill
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10
Q

Economic benefits of nuclear;

A

+ costs are up front

+ largest energy employer

+ creates large electricity base load - so can replace fossil fuels

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11
Q

Political / environmental costs of nuclear;

A
  • uranium mining not eco friendly
  • disasters / accidents can cause construction of new plants to halt
  • public opinion fluctuates
  • terrorist targets
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12
Q

Political / environmental benefits of nuclear;

A

+ uranium can be sourced from ‘friendly’ nations (e.g Australia)

+ can help meet Paris 2030 targets

+ can help to plug energy gap

+ reduced reliance on Russia for natural gas / oil on Middle East

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13
Q

Where currently has the largest % of energy supplied by nuclear? How many reactors do they have?

A

USA

100+

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14
Q

How many reactors does China currently have as of 2008?

A

32

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15
Q

What % of USA’s energy is from nuclear?

A

30%

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16
Q

What % of UK’s energy is from nuclear?

A

20%

17
Q

How much is China planning to invest in 32 new nuclear plants by 2020?

A

$50billion

18
Q

How long does waste stay radioactive for?

A

10,000 years

19
Q

Investing money in nuclear means less money can be invested in energy forms such as …

A

renewables

20
Q

Nuclear as no emissions. Compare nuclear to renewables.

A

even when taking into account ‘full life cycle emissions’ nuclear’s discharges comparable to wind and hydro

21
Q

Advantage of nuclear reliability > renewables

A

unlike wind / photovoltaics

nuclear can meet 24hr demand

22
Q

Since when was the last nuclear reactor in the USA/

A

1977

23
Q

Reason for shortage of construction of nuclear reactors

A
  • shortage of parts

- shortage of engineering skills

24
Q

What is nuclear economically uncompetitive in comparison to

A

cheaper fossil fuels e.g coal

decreasing price of renewables

25
Q

where are 2 proposed plants in the USA? how much will they cost?

A

2 in Florida

$6-9billion each

26
Q

X3 features which mean improved safety for modern nuclear reactors

A
  • plant personnel training
  • 1/6 weeks spent in classroom
  • reactors confided to reinforced concrete structure
27
Q

Where do experts agree is the best place to store nuclear waste? Why?

A

underground

can be guarded against theft / terrorist activity

28
Q

Political problem with nuclear waste

A

often sites blocked by political wrangling for being designated as suitable for repository

29
Q

area in USA proposed for nuclear waste repository, but has politically been blocked

A

Nevada

30
Q

What is the waste produced by nuclear like?

A

radioactive

but fairly small amounts

31
Q

What is an important consideration of nuclear and geopolitical safety

A

possibility of proliferation of nuclear weapons